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2015-05-17: Sentinel
The ChangeLog file is no longer maintained on bleeding_edge. This
sentinel should stay on top of this list.
2015-05-17: Version 4.5.2
Performance and stability improvements on all platforms.
2015-05-16: Version 4.5.1
Test that TypedArray methods don't read length (issue 3578).
Implement %TypedArray%.{fill,find,findIndex} (issue 3578).
TypedArray.prototype.copyWithin method (issue 3578).
Provide accessor for object internal properties that doesn't require
debugger to be active (Chromium issue 481845).
Don't create debug context if debug listener is not set (Chromium issue
482290).
Performance and stability improvements on all platforms.
2015-05-13: Version 4.4.65
Deprecate Isolate::New.
Factor out core of Array.forEach and .every, for use in TypedArrays
(issue 3578).
Performance and stability improvements on all platforms.
2015-05-12: Version 4.4.64
Performance and stability improvements on all platforms.
2015-05-11: Version 4.4.63
Let Runtime_GrowArrayElements accept non-Smi numbers as |key| (Chromium
issue 485410).
Make one copy for all TypedArray methods (issue 4085).
Performance and stability improvements on all platforms.
2015-05-09: Version 4.4.62
[turbofan] Fix handling of OsrLoopEntry in ControlReducer::ConnectNTL()
(Chromium issue 485908).
Performance and stability improvements on all platforms.
2015-05-08: Version 4.4.61
Performance and stability improvements on all platforms.
2015-05-08: Version 4.4.60
Performance and stability improvements on all platforms.
2015-05-08: Version 4.4.59
Performance and stability improvements on all platforms.
2015-05-07: Version 4.4.58
TypedArray.prototype.every method (issue 3578).
[V8] Reland https://codereview.chromium.org/1121833003/ (Chromium issue
480652).
Performance and stability improvements on all platforms.
2015-05-07: Version 4.4.57
Performance and stability improvements on all platforms.
2015-05-06: Version 4.4.56
Shard v8_base.lib on Windows to avoid 2G .lib limit (Chromium issue
485155).
Implement a 'trial parse' step, that will abort pre-parsing excessively
long and trivial functions, so that they can be eagerly compiled after
all. This essentially allows the parser to renege on its earlier
decision to lazy-parse, if additional information suggests it was a bad
decision (Chromium issue 470930).
Performance and stability improvements on all platforms.
2015-05-06: Version 4.4.55
Handle the case when derived constructor is [[Call]]ed with 0 args
(Chromium issue 474783).
freed_nodes in global-handles should be addititive (Chromium issues
479796, 484671).
[V8] Reland https://codereview.chromium.org/1100993003/ (Chromium issue
480652).
[es6] When comparing two symbols we may need to throw a TypeError (issue
4073).
Performance and stability improvements on all platforms.
2015-05-06: Version 4.4.54
Performance and stability improvements on all platforms.
2015-05-05: Version 4.4.53
Performance and stability improvements on all platforms.
2015-05-05: Version 4.4.52
Performance and stability improvements on all platforms.
2015-05-04: Version 4.4.51
Performance and stability improvements on all platforms.
2015-05-04: Version 4.4.50
Performance and stability improvements on all platforms.
2015-05-01: Version 4.4.49
Performance and stability improvements on all platforms.
2015-05-01: Version 4.4.48
[V8] Use previous token location as EOS token location (Chromium issue
480652).
Implement kToBeExecutedOnceCodeAge (Chromium issue 470930).
Performance and stability improvements on all platforms.
2015-04-30: Version 4.4.47
Performance and stability improvements on all platforms.
2015-04-30: Version 4.4.46
Performance and stability improvements on all platforms.
2015-04-29: Version 4.4.45
Performance and stability improvements on all platforms.
2015-04-29: Version 4.4.44
Pass ArrayBuffer::Allocator via Isolate::CreateParams.
Fix unobservable constructor replacement on prototype maps (Chromium
issue 478522).
Performance and stability improvements on all platforms.
2015-04-29: Version 4.4.43
Performance and stability improvements on all platforms.
2015-04-28: Version 4.4.42
MIPS: Fix FP load/store with large offsets from base register (Chromium
issue 481519).
Extending v8::GetHeapStatistics to return total available size (Chromium
issue 476013).
Performance and stability improvements on all platforms.
2015-04-28: Version 4.4.41
Performance and stability improvements on all platforms.
2015-04-28: Version 4.4.40
Do more to avoid last-resort stop-the-world GC (Chromium issue 481433).
Performance and stability improvements on all platforms.
2015-04-27: Version 4.4.39
Performance and stability improvements on all platforms.
2015-04-27: Version 4.4.38
Performance and stability improvements on all platforms.
2015-04-25: Version 4.4.37
Performance and stability improvements on all platforms.
2015-04-24: Version 4.4.36
Performance and stability improvements on all platforms.
2015-04-24: Version 4.4.35
Performance and stability improvements on all platforms.
2015-04-24: Version 4.4.34
Performance and stability improvements on all platforms.
2015-04-23: Version 4.4.33
Performance and stability improvements on all platforms.
2015-04-23: Version 4.4.32
Performance and stability improvements on all platforms.
2015-04-23: Version 4.4.31
Performance and stability improvements on all platforms.
2015-04-22: Version 4.4.30
Performance and stability improvements on all platforms.
2015-04-22: Version 4.4.29
Performance and stability improvements on all platforms.
2015-04-21: Version 4.4.28
Performance and stability improvements on all platforms.
2015-04-21: Version 4.4.27
Performance and stability improvements on all platforms.
2015-04-20: Version 4.4.26
Allow for accessing an ArrayBuffer contents without externalizing it.
Remove support for externally backed elements from the API (issue 3996).
Deprecate 3-args ResourceConstraints::ConfigureDefaults.
Indicate that low-memory-notificatin triggered GCs are "forced".
Adding missing V8_EXPORT flag in SpaceStatistics class in v8.h (Chromium
issues 466141, 476013).
Performance and stability improvements on all platforms.
2015-04-20: Version 4.4.25
Turn off SupportsFlexibleFloorAndRound for Arm64 due to a bug (Chromium
issue 476477).
Adding V8 api to get memory statistics of spaces in V8::Heap (Chromium
issues 466141, 476013).
Performance and stability improvements on all platforms.
2015-04-17: Version 4.4.24
Performance and stability improvements on all platforms.
2015-04-17: Version 4.4.23
Don't crash when reporting an access check failure for a detached global
proxy (Chromium issue 475884).
Use smaller heap growing factor in idle notification to start
incremental marking when there is idle time >16ms (Chromium issue
477323).
Performance and stability improvements on all platforms.
2015-04-16: Version 4.4.22
Reduce regexp compiler stack size when not optimizing regexps (Chromium
issue 475705).
Performance and stability improvements on all platforms.
2015-04-15: Version 4.4.21
Remove support for specifying the number of available threads.
When converting Maybe and MaybeLocal values with a check, always check.
Performance and stability improvements on all platforms.
2015-04-15: Version 4.4.20
Performance and stability improvements on all platforms.
2015-04-15: Version 4.4.19
Reland "Remove support for thread-based recompilation" (issue 3608).
Performance and stability improvements on all platforms.
2015-04-14: Version 4.4.18
Reland "Remove support for thread-based recompilation" (issue 3608).
Performance and stability improvements on all platforms.
2015-04-14: Version 4.4.17
Performance and stability improvements on all platforms.
2015-04-13: Version 4.4.16
Expose ArrayBufferView::HasBuffer (issue 3996).
Performance and stability improvements on all platforms.
2015-04-13: Version 4.4.15
Performance and stability improvements on all platforms.
2015-04-12: Version 4.4.14
Performance and stability improvements on all platforms.
2015-04-12: Version 4.4.13
Performance and stability improvements on all platforms.
2015-04-10: Version 4.4.12
Performance and stability improvements on all platforms.
2015-04-10: Version 4.4.11
Performance and stability improvements on all platforms.
2015-04-10: Version 4.4.10
Don't #define snprintf in VS2015 - it's illegal and unneeded (Chromium
issue 440500).
Performance and stability improvements on all platforms.
2015-04-09: Version 4.4.9
Performance and stability improvements on all platforms.
2015-04-09: Version 4.4.8
Performance and stability improvements on all platforms.
2015-04-08: Version 4.4.7
Make GetDebugContext a bit more robust (Chromium issue 474538).
Performance and stability improvements on all platforms.
2015-04-08: Version 4.4.6
Performance and stability improvements on all platforms.
2015-04-08: Version 4.4.5
More robust when allocation fails during compaction (Chromium issue
473307).
MIPS: JSEntryTrampoline: check for stack space before pushing arguments
(Chromium issue 469768).
Performance and stability improvements on all platforms.
2015-04-07: Version 4.4.4
Debugger: remove debug command API.
Remove support for thread-based recompilation (issue 3608).
JSEntryTrampoline: check for stack space before pushing arguments
(Chromium issue 469768).
Performance and stability improvements on all platforms.
2015-04-07: Version 4.4.3
Performance and stability improvements on all platforms.
2015-04-06: Version 4.4.2
Performance and stability improvements on all platforms.
2015-04-06: Version 4.4.1
Support for typed arrays added to Heap::RightTrimFixedArray() (Chromium
issue 472513).
Expose an API on ArrayBufferView to copy out content w/o changing the
buffer (issue 3996).
Performance and stability improvements on all platforms.
2015-04-02: Version 4.3.66
Reland: Fix JSON parser Handle leak (previous CL 1041483004) (issue
3976, Chromium issue 472504).
Turn off overapproximation of the weak closure again (issue 3862).
Performance and stability improvements on all platforms.
2015-04-01: Version 4.3.65
Performance and stability improvements on all platforms.
2015-04-01: Version 4.3.64
Performance and stability improvements on all platforms.
2015-04-01: Version 4.3.63
[V8] Don't ignore sourceURL comment in inline scripts in .stack (issue
3920).
Deprecate IdleNotification().
Remove --harmony-numeric-literal flag.
Performance and stability improvements on all platforms.
2015-03-31: Version 4.3.62
Put newspace evacuation in an EvacuationScope (Chromium issue 471554).
Fix libdl dependency on Android and remove librt hack (Chromium issue
469973).
Ensure that GC idle notifications either make progress or stop
requesting more GCs (Chromium issue 470615).
Layout descriptor must be trimmed when corresponding descriptors array
is trimmed to stay in sync (Chromium issue 470804).
Fix JSON parser Handle leak (issue 3976).
Performance and stability improvements on all platforms.
2015-03-30: Version 4.3.61
Performance and stability improvements on all platforms.
2015-03-28: Version 4.3.60
Reland^2 "Filter invalid slots out from the SlotsBuffer after marking."
(Chromium issues 454297, 470801).
This fixes missing incremental write barrier issue when double fields
unboxing is enabled (Chromium issue 469146).
Performance and stability improvements on all platforms.
2015-03-27: Version 4.3.59
Use a slot that is located on a heap page when removing invalid entries
from the SlotsBuffer (Chromium issue 470801).
Performance and stability improvements on all platforms.
2015-03-26: Version 4.3.58
Return timestamp of the last recorded interval to the caller of
HeapProfiler::GetHeapStats (Chromium issue 467222).
Performance and stability improvements on all platforms.
2015-03-26: Version 4.3.57
Reland [V8] Removed SourceLocationRestrict (Chromium issue 468781).
Performance and stability improvements on all platforms.
2015-03-25: Version 4.3.56
Remove v8::Isolate::ClearInterrupt.
Performance and stability improvements on all platforms.
2015-03-25: Version 4.3.55
Performance and stability improvements on all platforms.
2015-03-24: Version 4.3.54
Do not assign positions to parser-generated desugarings (Chromium issue
468661).
Performance and stability improvements on all platforms.
2015-03-24: Version 4.3.53
Filter invalid slots out from the SlotsBuffer after marking (Chromium
issue 454297).
Fix OOM bug 3976 (issue 3976).
Performance and stability improvements on all platforms.
2015-03-24: Version 4.3.52
Remove calls to IdleNotification().
Save heap object tracking data in heap snapshot (Chromium issue 467222).
Performance and stability improvements on all platforms.
2015-03-24: Version 4.3.51
[V8] Removed SourceLocationRestrict (Chromium issue 468781).
[turbofan] Fix control reducer bug with walking non-control edges during
ConnectNTL phase (Chromium issue 469605).
Performance and stability improvements on all platforms.
2015-03-23: Version 4.3.50
Performance and stability improvements on all platforms.
2015-03-23: Version 4.3.49
Ensure we don't overflow in BCE (Chromium issue 469148).
[turbofan] Fix lowering of Math.max for integral inputs (Chromium issue
468162).
Use libdl to get symbols for backtraces.
Performance and stability improvements on all platforms.
2015-03-19: Version 4.3.48
Clarify what APIs return Maybe and MaybeLocal values (issue 3929).
Introduce explicit constant for per Context debug data set by embedder
(Chromium issue 466631).
Adjust key behaviour for weak collections (issues 3970, 3971, Chromium
issue 460083).
Turn on overapproximation of the weak closure (issue 3862).
Performance and stability improvements on all platforms.
2015-03-18: Version 4.3.47
Performance and stability improvements on all platforms.
2015-03-17: Version 4.3.46
Performance and stability improvements on all platforms.
2015-03-17: Version 4.3.45
Performance and stability improvements on all platforms.
2015-03-17: Version 4.3.44
Performance and stability improvements on all platforms.
2015-03-16: Version 4.3.43
Bugfix in hydrogen GVN (Chromium issue 467481).
Remove obsolete TakeHeapSnapshot method from API (Chromium issue
465651).
Beautify syntax error for unterminated argument list (Chromium issue
339474).
Performance and stability improvements on all platforms.
2015-03-16: Version 4.3.42
Performance and stability improvements on all platforms.
2015-03-15: Version 4.3.41
Performance and stability improvements on all platforms.
2015-03-14: Version 4.3.40
Performance and stability improvements on all platforms.
2015-03-14: Version 4.3.39
Performance and stability improvements on all platforms.
2015-03-14: Version 4.3.38
Remove --harmony-scoping flag.
Performance and stability improvements on all platforms.
2015-03-13: Version 4.3.37
Implement TDZ in StoreIC for top-level lexicals (issue 3941).
Turn on job-based optimizing compiler (issue 3608).
Performance and stability improvements on all platforms.
2015-03-13: Version 4.3.36
Performance and stability improvements on all platforms.
2015-03-12: Version 4.3.35
Add Cast() for Int32 and Uint32 (Chromium issue 462402).
Incorrect handling of HTransitionElementsKind in hydrogen check
elimination phase fixed (Chromium issue 460917).
Performance and stability improvements on all platforms.
2015-03-12: Version 4.3.34
Performance and stability improvements on all platforms.
2015-03-12: Version 4.3.33
Fix the toolchain used to build the snapshots in GN (Chromium issues
395249, 465456).
Performance and stability improvements on all platforms.
2015-03-11: Version 4.3.32
Reland of Remove slots that point to unboxed doubles from the
StoreBuffer/SlotsBuffer (Chromium issues 454297, 465273).
Performance and stability improvements on all platforms.
2015-03-11: Version 4.3.31
Performance and stability improvements on all platforms.
2015-03-11: Version 4.3.30
Remove uid and title from HeapSnapshot (Chromium issue 465651).
Remove deprecated CpuProfiler methods.
[turbofan] Fix --turbo-osr for OSRing into inner loop inside for-in
(Chromium issue 462775).
Performance and stability improvements on all platforms.
2015-03-10: Version 4.3.29
Performance and stability improvements on all platforms.
2015-03-10: Version 4.3.28
Performance and stability improvements on all platforms.
2015-03-10: Version 4.3.27
Performance and stability improvements on all platforms.
2015-03-07: Version 4.3.26
Remove slots that point to unboxed doubles from the
StoreBuffer/SlotsBuffer (Chromium issue 454297).
Performance and stability improvements on all platforms.
2015-03-06: Version 4.3.25
Performance and stability improvements on all platforms.
2015-03-06: Version 4.3.24
convert more things to maybe (issue 3929).
Performance and stability improvements on all platforms.
2015-03-05: Version 4.3.23
[V8] Use Function.name for stack frames in v8::StackTrace (Chromium
issue 17356).
Allow passing sourceMapUrl when compiling scripts (Chromium issue
462572).
convert compile functions to use maybe (issue 3929).
Performance and stability improvements on all platforms.
2015-03-05: Version 4.3.22
give UniquePersistent full move semantics (issue 3669).
Performance and stability improvements on all platforms.
2015-03-05: Version 4.3.21
Performance and stability improvements on all platforms.
2015-03-04: Version 4.3.20
convert remaining object functions to maybes (issue 3929).
Performance and stability improvements on all platforms.
2015-03-04: Version 4.3.19
ARM assembler: fix undefined behaviour in fits_shifter (Chromium issues
444089, 463436).
Implement subclassing Arrays (issue 3930).
[es6] Fix for-const loops (issue 3983).
Performance and stability improvements on all platforms.
2015-03-04: Version 4.3.18
Implement subclassing Arrays (issue 3930).
Performance and stability improvements on all platforms.
2015-03-04: Version 4.3.17
Implement subclassing Arrays (issue 3930).
convert more object functions to return maybes (issue 3929).
Performance and stability improvements on all platforms.
2015-03-03: Version 4.3.16
check for null context on execution entry (issue 3929).
convert object::* to return maybe values (issue 3929).
Removed funky Maybe constructor and made fields private (issue 3929).
Polish Maybe API a bit, removing useless creativity and fixing some
signatures (issue 3929).
Performance and stability improvements on all platforms.
2015-03-02: Version 4.3.15
Performance and stability improvements on all platforms.
2015-03-02: Version 4.3.14
Performance and stability improvements on all platforms.
2015-02-28: Version 4.3.13
Disallow subclassing Arrays (issue 3930).
Performance and stability improvements on all platforms.
2015-02-28: Version 4.3.12
Performance and stability improvements on all platforms.
2015-02-27: Version 4.3.11
Disallow subclassing Arrays (issue 3930).
convert Value::*Value() function to return Maybe results (issue 3929).
Performance and stability improvements on all platforms.
2015-02-27: Version 4.3.10
Convert v8::Value::To* to use MaybeLocal (issue 3929).
Performance and stability improvements on all platforms.
2015-02-26: Version 4.3.9
Add public version macros (issue 3075).
Performance and stability improvements on all platforms.
2015-02-26: Version 4.3.8
Performance and stability improvements on all platforms.
2015-02-25: Version 4.3.7
Performance and stability improvements on all platforms.
2015-02-25: Version 4.3.6
Performance and stability improvements on all platforms.
2015-02-25: Version 4.3.5
Turn on job based recompilation (issue 3608).
Performance and stability improvements on all platforms.
2015-02-24: Version 4.3.4
Reland "Correctly propagate terminate exception in TryCall." (issue
3892).
Performance and stability improvements on all platforms.
2015-02-24: Version 4.3.3
Performance and stability improvements on all platforms.
2015-02-24: Version 4.3.2
Update GN build files with the cpu_arch -> current_cpu change.
Performance and stability improvements on all platforms.
2015-02-23: Version 4.3.1
Limit size of first page based on serialized data (Chromium issue
453111).
Performance and stability improvements on all platforms.
2015-02-19: Version 4.2.77
Make generator constructors configurable (issue 3902).
Performance and stability improvements on all platforms.
2015-02-19: Version 4.2.76
Performance and stability improvements on all platforms.
2015-02-18: Version 4.2.75
Performance and stability improvements on all platforms.
2015-02-18: Version 4.2.74
Correctly propagate terminate exception in TryCall (issue 3892).
Performance and stability improvements on all platforms.
2015-02-17: Version 4.2.73
Performance and stability improvements on all platforms.
2015-02-17: Version 4.2.72
[turbofan] Fix control reducer with re-reducing branches (Chromium issue
458876).
Performance and stability improvements on all platforms.
2015-02-16: Version 4.2.71
Implement ES6 rest parameters (issue 2159).
Performance and stability improvements on all platforms.
2015-02-13: Version 4.2.70
new classes: no longer experimental (issue 3834).
Make it possible to define arguments for CompileFunctionInContext.
Performance and stability improvements on all platforms.
2015-02-12: Version 4.2.69
Performance and stability improvements on all platforms.
2015-02-11: Version 4.2.68
Performance and stability improvements on all platforms.
2015-02-11: Version 4.2.67
Throw on range error when creating a string via API (issue 3853).
Performance and stability improvements on all platforms.
2015-02-11: Version 4.2.66
Performance and stability improvements on all platforms.
2015-02-10: Version 4.2.65
Performance and stability improvements on all platforms.
2015-02-10: Version 4.2.64
Performance and stability improvements on all platforms.
2015-02-10: Version 4.2.63
Introduce a compile method that takes context extensions (Chromium issue
456192).
Performance and stability improvements on all platforms.
2015-02-09: Version 4.2.62
Performance and stability improvements on all platforms.
2015-02-09: Version 4.2.61
Performance and stability improvements on all platforms.
2015-02-07: Version 4.2.60
Performance and stability improvements on all platforms.
2015-02-07: Version 4.2.59
Performance and stability improvements on all platforms.
2015-02-07: Version 4.2.58
Performance and stability improvements on all platforms.
2015-02-06: Version 4.2.57
Performance and stability improvements on all platforms.
2015-02-06: Version 4.2.56
Performance and stability improvements on all platforms.
2015-02-06: Version 4.2.55
Protect against uninitialized lexical variables at top-level (Chromium
issue 452510).
Performance and stability improvements on all platforms.
2015-02-05: Version 4.2.54
Fix HConstant(double, ...) constructor (issue 3865).
Add NativeWeakMap to v8.h (Chromium issue 437416).
Performance and stability improvements on all platforms.
2015-02-05: Version 4.2.53
Fix issue with multiple properties and emit store (issue 3856).
Class methods should be non enumerable (issue 3330).
Performance and stability improvements on all platforms.
2015-02-04: Version 4.2.52
Add WeakKeyMap to v8.h (Chromium issue 437416).
Performance and stability improvements on all platforms.
2015-02-04: Version 4.2.51
Performance and stability improvements on all platforms.
2015-02-03: Version 4.2.50
Reset inlining limits due to overly long compilation times in
Speedometer, Dart2JS (Chromium issue 454625).
Add WeakMap to v8.h (Chromium issue 437416).
[V8] Added line, column and script symbols for SyntaxError (Chromium
issue 443140).
Performance and stability improvements on all platforms.
2015-02-03: Version 4.2.49
Compute the same hash for all NaN values (issue 3859).
Performance and stability improvements on all platforms.
2015-02-03: Version 4.2.48
Performance and stability improvements on all platforms.
2015-02-02: Version 4.2.47
Check global object behind global proxy for extensibility (Chromium
issue 454091).
Performance and stability improvements on all platforms.
2015-02-02: Version 4.2.46
Performance and stability improvements on all platforms.
2015-02-02: Version 4.2.45
Performance and stability improvements on all platforms.
2015-02-01: Version 4.2.44
Performance and stability improvements on all platforms.
2015-02-01: Version 4.2.43
Performance and stability improvements on all platforms.
2015-01-31: Version 4.2.42
Performance and stability improvements on all platforms.
2015-01-31: Version 4.2.41
Layout descriptor sharing issue fixed (issue 3832, Chromium issue
437713).
Performance and stability improvements on all platforms.
2015-01-30: Version 4.2.40
Performance and stability improvements on all platforms.
2015-01-30: Version 4.2.38
Move object literal checking into checker classes (issue 3819).
[turbofan] Fix OSR compilations of for-in.
Performance and stability improvements on all platforms.
2015-01-30: Version 4.2.37
Do not create unresolved variables when parsing arrow functions lazily
(issue 3501).
Performance and stability improvements on all platforms.
2015-01-29: Version 4.2.36
Performance and stability improvements on all platforms.
2015-01-29: Version 4.2.35
Performance and stability improvements on all platforms.
2015-01-28: Version 4.2.34
Performance and stability improvements on all platforms.
2015-01-28: Version 4.2.33
Performance and stability improvements on all platforms.
2015-01-27: Version 4.2.32
Do not generalize field representations when making elements kind or
observed transition (Chromium issue 448711).
Performance and stability improvements on all platforms.
2015-01-27: Version 4.2.31
[x86] Disable AVX unless the operating system explicitly claims to
support it (issue 3846, Chromium issue 452033).
Performance and stability improvements on all platforms.
2015-01-27: Version 4.2.30
Performance and stability improvements on all platforms.
2015-01-26: Version 4.2.29
MIPS: Fixed Hydrogen environment handling for mul-i ARM and ARM64 (issue
451322).
[turbofan] Simplify reduction if IfTrue and IfFalse and fix bugs
(Chromium issue 451958).
Add HeapNumber fast path to v8::Value::{Uint,Int}32Value() (Chromium
issue 446097).
Performance and stability improvements on all platforms.
2015-01-26: Version 4.2.28
Fixed Hydrogen environment handling for mul-i on ARM and ARM64 (issue
451322).
Performance and stability improvements on all platforms.
2015-01-25: Version 4.2.27
Performance and stability improvements on all platforms.
2015-01-24: Version 4.2.26
ES6 Array.prototype.toString falls back on Object.prototype.toString if
method "join" is not callable (issue 3793).
Performance and stability improvements on all platforms.
2015-01-23: Version 4.2.25
Performance and stability improvements on all platforms.
2015-01-23: Version 4.2.24
Performance and stability improvements on all platforms.
2015-01-23: Version 4.2.23
[x86] Blacklist AVX for Windows versions before 6.1 (Windows 7) (issue
3846).
Performance and stability improvements on all platforms.
2015-01-23: Version 4.2.22
Fix run-time ARMv6 detection (issue 3844).
Support concatenating with zero-size arrays with DICTIONARY_ELEMENTS in
Runtime_ArrayConcat (Chromium issue 450895).
Performance and stability improvements on all platforms.
2015-01-22: Version 4.2.21
Performance and stability improvements on all platforms.
2015-01-22: Version 4.2.20
Add a pretty printer to improve the error message non-function calls
(Chromium issue 259443).
Remove implicit uint8_t to char cast in string replace (Chromium issue
446196).
Performance and stability improvements on all platforms.
2015-01-21: Version 4.2.19
Performance and stability improvements on all platforms.
2015-01-20: Version 4.2.18
Fix issue with __proto__ when using ES6 object literals (issue 3818).
Performance and stability improvements on all platforms.
2015-01-20: Version 4.2.17
Performance and stability improvements on all platforms.
2015-01-20: Version 4.2.16
Performance and stability improvements on all platforms.
2015-01-19: Version 4.2.15
Unobscurified OFStream (Chromium issue 448102).
Performance and stability improvements on all platforms.
2015-01-19: Version 4.2.14
Performance and stability improvements on all platforms.
2015-01-18: Version 4.2.13
Performance and stability improvements on all platforms.
2015-01-18: Version 4.2.12
Performance and stability improvements on all platforms.
2015-01-17: Version 4.2.11
Performance and stability improvements on all platforms.
2015-01-16: Version 4.2.10
Performance and stability improvements on all platforms.
2015-01-16: Version 4.2.9
MIPS: ES6 computed property names (issue 3754).
ES6 computed property names (issue 3754).
Performance and stability improvements on all platforms.
2015-01-15: Version 4.2.8
Performance and stability improvements on all platforms.
2015-01-15: Version 4.2.7
Performance and stability improvements on all platforms.
2015-01-15: Version 4.2.6
Performance and stability improvements on all platforms.
2015-01-15: Version 4.2.5
Performance and stability improvements on all platforms.
2015-01-14: Version 4.2.4
Auto-generate v8 version based on tags (Chromium issue 446166).
Remove support for signatures with arguments.
Add proper support for proxies to HType (Chromium issue 448730).
[turbofan] Fix truncation/representation sloppiness wrt. bool/bit (issue
3812).
Performance and stability improvements on all platforms.
2015-01-14: Version 4.2.3
Performance and stability improvements on all platforms.
2015-01-14: Version 4.2.2
Performance and stability improvements on all platforms.
2015-01-14: Version 4.2.1
Map -0 to integer 0 for typed array constructors (Chromium issue
447756).
Introduce a gyp variable to control whether or not slow dchecks are on.
Correctly setup the freelist of the coderange on Win64 (Chromium issue
447555).
Fast forward V8 to version 4.2.
Remove "extra checks".
Performance and stability improvements on all platforms.
2015-01-08: Version 3.32.7
Correctly parse line ends for debugging (issue 2825).
Fixed printing during DCE (issue 3679).
Performance and stability improvements on all platforms.
2015-01-08: Version 3.32.6
Performance and stability improvements on all platforms.
2015-01-08: Version 3.32.5
Correct handling of exceptions occured during getting of exception stack
trace (Chromium issue 444805).
Fix bug in Runtime_CompileOptimized resulting from stack overflow
(Chromium issue 446774).
Turn on job-based recompilation (issue 3608).
Performance and stability improvements on all platforms.
2015-01-07: Version 3.32.4
Performance and stability improvements on all platforms.
2015-01-07: Version 3.32.3
Performance and stability improvements on all platforms.
2015-01-07: Version 3.32.2
Performance and stability improvements on all platforms.
2015-01-07: Version 3.32.1
[turbofan] Don't crash when typing load from a Uint8ClampedArray
(Chromium issue 446156).
[turbofan] Truncation of Bit/Word8/16 to Word32 is a no-op (Chromium
issue 445859).
[x64] Rearrange code for OOB integer loads (Chromium issue 445858).
Fix %NeverOptimizeFunction() intrinsic (Chromium issue 445732).
[turbofan] Fix invalid bounds check with overflowing offset (Chromium
issue 445267).
[turbofan] Raise max virtual registers and call parameter limit (issue
3786).
Performance and stability improvements on all platforms.
2014-12-23: Version 3.31.74
[turbofan] Turn DCHECK for fixed slot index into a CHECK (Chromium issue
444681).
Performance and stability improvements on all platforms.
2014-12-23: Version 3.31.73
[turbofan] Fix missing ChangeUint32ToUint64 in lowering of LoadBuffer
(Chromium issue 444695).
Enable the embedder to specify what kind of context was disposed.
Performance and stability improvements on all platforms.
2014-12-22: Version 3.31.72
[turbofan] Correctify lowering of Uint8ClampedArray buffer access
(Chromium issue 444508).
Performance and stability improvements on all platforms.
2014-12-20: Version 3.31.71
Performance and stability improvements on all platforms.
2014-12-20: Version 3.31.70
Performance and stability improvements on all platforms.
2014-12-20: Version 3.31.69
Performance and stability improvements on all platforms.
2014-12-19: Version 3.31.68
[turbofan] Fix unsafe out-of-bounds check for checked loads/stores
(Chromium issue 443744).
Performance and stability improvements on all platforms.
2014-12-19: Version 3.31.67
Performance and stability improvements on all platforms.
2014-12-19: Version 3.31.66
Ship ES6 template literals (issue 3230).
Performance and stability improvements on all platforms.
2014-12-18: Version 3.31.65
ES6 template literals should not use legacy octal strings (issue 3736).
Performance and stability improvements on all platforms.
2014-12-18: Version 3.31.64
Fixed -fsanitize=float-cast-overflow problems (issue 3773).
Performance and stability improvements on all platforms.
2014-12-18: Version 3.31.63
ES6 computed property names (issue 3754).
Performance and stability improvements on all platforms.
2014-12-17: Version 3.31.62
Performance and stability improvements on all platforms.
2014-12-17: Version 3.31.61
ES6: Update unscopables to match spec (issue 3632).
ES6 computed property names (issue 3754).
More -fsanitize=vptr fixes (Chromium issue 441099).
[turbofan] Cache conversions inserted during typed lowering (issue
3763).
Performance and stability improvements on all platforms.
2014-12-16: Version 3.31.60
Performance and stability improvements on all platforms.
2014-12-16: Version 3.31.59
Performance and stability improvements on all platforms.
2014-12-16: Version 3.31.58
Ship ES6 classes (issue 3330).
ES6 computed property names (issue 3754).
Performance and stability improvements on all platforms.
2014-12-12: Version 3.31.57
Consistently use only one of virtual/OVERRIDE/FINAL (issue 3753).
Performance and stability improvements on all platforms.
2014-12-12: Version 3.31.56
Performance and stability improvements on all platforms.
2014-12-12: Version 3.31.55
Performance and stability improvements on all platforms.
2014-12-11: Version 3.31.54
Implement Array.from() (issue 3336).
move v8_use_external_startup_data to standalone.gypi (Chromium issue
421063).
Performance and stability improvements on all platforms.
2014-12-11: Version 3.31.53
Performance and stability improvements on all platforms.
2014-12-11: Version 3.31.52
Ship ES6 block scoping (issue 2198).
Optimize Object.seal and Object.preventExtensions (issue 3662, Chromium
issue 115960).
Add Array.prototype.includes (issue 3575).
Performance and stability improvements on all platforms.
2014-12-10: Version 3.31.51
[x64] Fix optimization for certain checked load/stores (Chromium issue
439743).
Performance and stability improvements on all platforms.
2014-12-09: Version 3.31.50
Temporarily restore make dependencies.
Performance and stability improvements on all platforms.
2014-12-09: Version 3.31.49
Performance and stability improvements on all platforms.
2014-12-09: Version 3.31.48
Performance and stability improvements on all platforms.
2014-12-09: Version 3.31.47
Temporarily restore make dependencies.
Performance and stability improvements on all platforms.
2014-12-08: Version 3.31.46
Performance and stability improvements on all platforms.
2014-12-08: Version 3.31.45
Update all DEPS to match chromium's DEPS at edb488e.
Turn on DCHECKs and other debugging code if dcheck_always_on is 1 (issue
3731).
Optimize GetPrototype.
Performance and stability improvements on all platforms.
2014-12-05: Version 3.31.44
Performance and stability improvements on all platforms.
2014-12-04: Version 3.31.43
ES6 template literals: Fix issue with template after rbrace (issue
3734).
Stage ES6 template literals (issue 3230).
Performance and stability improvements on all platforms.
2014-12-04: Version 3.31.42
Performance and stability improvements on all platforms.
2014-12-04: Version 3.31.41
Simplify template literal raw string creation (issue 3710).
Performance and stability improvements on all platforms.
2014-12-03: Version 3.31.40
Performance and stability improvements on all platforms.
2014-12-03: Version 3.31.39
Performance and stability improvements on all platforms.
2014-12-03: Version 3.31.38
Stage ES6 classes and object literal extensions (issue 3330).
Fixed environment handling for LFlooringDivI on ARM (Chromium issue
437765).
Add GetIdentityHash to v8::Name object API (Chromium issue 437416).
Set V8_CC_GNU or V8_CC_MSVC for clang in gcc / cl mode (Chromium issue
82385).
Performance and stability improvements on all platforms.
2014-12-02: Version 3.31.37
Performance and stability improvements on all platforms.
2014-12-02: Version 3.31.36
Set V8_CC_GNU or V8_CC_MSVC for clang in gcc / cl mode (Chromium issue
82385).
Performance and stability improvements on all platforms.
2014-12-02: Version 3.31.35
Performance and stability improvements on all platforms.
2014-12-01: Version 3.31.34
Performance and stability improvements on all platforms.
2014-12-01: Version 3.31.33
Performance and stability improvements on all platforms.
2014-12-01: Version 3.31.32
Performance and stability improvements on all platforms.
2014-12-01: Version 3.31.31
Performance and stability improvements on all platforms.
2014-11-29: Version 3.31.30
Performance and stability improvements on all platforms.
2014-11-28: Version 3.31.29
Stage @@toStringTag (--harmony-tostring).
Performance and stability improvements on all platforms.
2014-11-28: Version 3.31.28
Performance and stability improvements on all platforms.
2014-11-28: Version 3.31.27
Ship harmony-strings.
Performance and stability improvements on all platforms.
2014-11-28: Version 3.31.26
Abort optimization in corner case (Chromium issue 436893).
Performance and stability improvements on all platforms.
2014-11-26: Version 3.31.25
Stage ES6 block scoping (issue 2198).
Introduce legacy const slots in correct context (Chromium issue 410030).
Performance and stability improvements on all platforms.
2014-11-26: Version 3.31.24
Performance and stability improvements on all platforms.
2014-11-25: Version 3.31.23
Performance and stability improvements on all platforms.
2014-11-25: Version 3.31.22
Performance and stability improvements on all platforms.
2014-11-24: Version 3.31.21
Performance and stability improvements on all platforms.
2014-11-24: Version 3.31.20
Performance and stability improvements on all platforms.
2014-11-22: Version 3.31.19
Performance and stability improvements on all platforms.
2014-11-21: Version 3.31.18
Performance and stability improvements on all platforms.
2014-11-21: Version 3.31.17
Performance and stability improvements on all platforms.
2014-11-21: Version 3.31.16
Cache template literal callSiteObj (issue 3230).
Rename String.prototype.contains to 'includes'.
Reserve code range block for evacuation (Chromium issue 430118).
Performance and stability improvements on all platforms.
2014-11-20: Version 3.31.15
Rename String.prototype.contains to 'includes'.
Performance and stability improvements on all platforms.
2014-11-19: Version 3.31.14
Remove Weak{Map,Set}.prototype.clear.
Performance and stability improvements on all platforms.
2014-11-19: Version 3.31.13
Performance and stability improvements on all platforms.
2014-11-19: Version 3.31.12
Classes: Expand test to cover strict runtime behavior (issue 3330).
v8::String::Concat must not throw (Chromium issue 420240).
Fix disabling all break points from within the debug event callback
(Chromium issue 432493).
Performance and stability improvements on all platforms.
2014-11-18: Version 3.31.11
Performance and stability improvements on all platforms.
2014-11-17: Version 3.31.10
Performance and stability improvements on all platforms.
2014-11-17: Version 3.31.9
Expose internal properties of map/set iterators via mirrors.
Performance and stability improvements on all platforms.
2014-11-17: Version 3.31.8
Performance and stability improvements on all platforms.
2014-11-15: Version 3.31.7
Classes: Add support for stepping through default constructors (issue
3674).
Performance and stability improvements on all platforms.
2014-11-14: Version 3.31.6
Fix desugaring of let bindings in for loops to handle continue properly
(issue 3683).
Performance and stability improvements on all platforms.
2014-11-14: Version 3.31.5
Classes: Implement correct name binding (issue 3330).
Performance and stability improvements on all platforms.
2014-11-14: Version 3.31.4
Performance and stability improvements on all platforms.
2014-11-14: Version 3.31.3
Classes: Cleanup default constructor flag.
Soft fail for invalid cache data.
Implement .of() on typed arrays (issue 3578).
Performance and stability improvements on all platforms.
2014-11-13: Version 3.31.2
MIPS: Leaving a generator via an exception causes it to close (issue
3096).
MIPS: ES6: Add support for super in object literals (issue 3571).
Increase the target new space size to the max new space size (issue
3626).
Leaving a generator via an exception causes it to close (issue 3096).
Correctly compute line numbers in functions from the function
constructor (Chromium issue 109362).
Rename v8::Exception::GetMessage to CreateMessage.
Classes: Add support for arguments in default constructor (issue 3672).
ES6: Add support for super in object literals (issue 3571).
Performance and stability improvements on all platforms.
2014-11-12: Version 3.31.1
Fix has_constant_parameter_count() confusion in LReturn (Chromium issue
431602).
Performance and stability improvements on all platforms.
2014-11-05: Version 3.30.33
`1..isPrototypeOf.call(null)` should return false, not throw TypeError
(issue 3483).
Refactor ObjectGetOwnPropertyKeys to accept bitmask rather than boolean
(issue 3549).
Add debug mirror support for ES6 Map/Set iterators (Chromium issue
427868).
Performance and stability improvements on all platforms.
2014-11-04: Version 3.30.30
Performance and stability improvements on all platforms.
2014-11-02: Version 3.30.27
Performance and stability improvements on all platforms.
2014-11-02: Version 3.30.26
Performance and stability improvements on all platforms.
2014-11-01: Version 3.30.25
Performance and stability improvements on all platforms.
2014-11-01: Version 3.30.24
Ensure we don't try to inline raw access to indexed interceptor
receivers (Chromium issue 419220).
Performance and stability improvements on all platforms.
2014-10-31: Version 3.30.23
Introduce v8::Exception::GetMessage to find location of an error object
(Chromium issue 427954).
Performance and stability improvements on all platforms.
2014-10-30: Version 3.30.22
MIPS: Classes: Add super support in methods and accessors (issue 3330).
Classes: Add super support in methods and accessors (issue 3330).
Performance and stability improvements on all platforms.
2014-10-29: Version 3.30.21
MIPS: Classes: Add basic support for properties (issue 3330).
Classes: Add more tests for prototype edge cases (Chromium issue 3655).
Classes: Add test for method prototype (issue 3330).
Get stack trace for uncaught exceptions/promise rejections from the
simple stack when available.
Classes: Add basic support for properties (issue 3330).
Allow duplicate property names in classes (issue 3570).
Windows: use SystemTimeToTzSpecificLocalTime instead of localtime_s
(Chromium issue 417640).
Performance and stability improvements on all platforms.
2014-10-28: Version 3.30.20
Performance and stability improvements on all platforms.
2014-10-27: Version 3.30.19
Check string literals with escapes in PreParserTraits::GetSymbol()
(issue 3606).
only define ARRAYSIZE_UNSAFE for NaCl builds (Chromium issue 405225).
Performance and stability improvements on all platforms.
2014-10-24: Version 3.30.18
Narrow cases where Sparse/Smart versions of Array methods are used
(issues 2615, 3612, 3621).
Shrink new space in idle notification (Chromium issue 424423).
Performance and stability improvements on all platforms.
2014-10-23: Version 3.30.17
ARM64: Fix stack manipulation (Chromium issue 425585).
Speed up creation of Objects whose prototype has dictionary elements
(Chromium issue 422754).
Enable libstdc++ debug mode in debug builds (issue 3638).
Performance and stability improvements on all platforms.
2014-10-22: Version 3.30.16
Remove v8stdint.h, it doesn't serve a purpose anymore.
Performance and stability improvements on all platforms.
2014-10-21: Version 3.30.15
Avoid the Marsaglia effect in 3D (Chromium issue 423311).
Performance and stability improvements on all platforms.
2014-10-20: Version 3.30.14
Performance and stability improvements on all platforms.
2014-10-17: Version 3.30.13
Don't expose Array.prototype.values as it breaks webcompat (Chromium
issue 409858).
Fix break location calculation (Chromium issue 419663).
Enable libstdc++ debug mode in debug builds (issue 3638).
Performance and stability improvements on all platforms.
2014-10-17: Version 3.30.12
Implement .forEach() on typed arrays (issue 3578).
Introduce v8::Exception::GetStackTrace API method.
Remove SmartMove, bringing Array methods further into spec compliance
(issue 2615).
Convert argument toObject() in Object.getOwnPropertyNames/Descriptors
(issue 3443).
Performance and stability improvements on all platforms.
2014-10-15: Version 3.30.11
Array.prototype.{every, filter, find, findIndex, forEach, map, some}:
Use fresh primitive wrapper for calls (issue 3536).
Correctly expand literal buffer for surrogate pairs (Chromium issue
423212).
Performance and stability improvements on all platforms.
2014-10-15: Version 3.30.10
Squeeze the layout of various AST node types (Chromium issue 417697).
Performance and stability improvements on all platforms.
2014-10-14: Version 3.30.9
Performance and stability improvements on all platforms.
2014-10-13: Version 3.30.8
AST nodes have at most one bailout/typefeedback ID now, saving lots of
memory (Chromium issue 417697).
Allow identifier code points from supplementary multilingual planes
(issue 3617).
Performance and stability improvements on all platforms.
2014-10-10: Version 3.30.7
Fix computation of UTC time from local time at DST change points (issue
3116, Chromium issues 415424, 417640).
Convert `obj` ToObject in Object.keys() (issue 3587).
Performance and stability improvements on all platforms.
2014-10-09: Version 3.30.6
Update unicode to 7.0.0 (issue 2892).
Classes: Add support for toString (issue 3330).
Don't enable WPO on Win64 and require Server 2003 / x64 for win64
(Chromium issue 421363).
Performance and stability improvements on all platforms.
2014-10-08: Version 3.30.5
Performance and stability improvements on all platforms.
2014-10-08: Version 3.30.4
This uses a runtime function to set up the the constructor and its
prototype (issue 3330).
Remove PersistentBase::ClearAndLeak.
Squeeze the layout of variable proxy nodes (Chromium issue 417697).
Add MonotonicallyIncreasingTime to V8 Platform (Chromium issue 417668).
Fix representation of HLoadRoot (Chromium issue 419036).
Performance and stability improvements on all platforms.
2014-10-03: Version 3.30.3
Removed the Isolate* field from literal nodes (Chromium issue 417697).
Squeeze the layout of expression nodes a bit (Chromium issue 417697).
Merged FeedbackSlotInterface into AstNode, removing the need for a 2nd
vtable (Chromium issue 417697).
Extend CPU profiler with mapping ticks to source lines.
Remove support for parallel sweeping.
Introduce v8::Object::GetIsolate().
Performance and stability improvements on all platforms.
2014-10-02: Version 3.30.2
Fix Hydrogen's BuildStore() (Chromium issue 417508).
Move unit tests to test/unittests (issue 3489).
Changes to ALLOW_UNUSED to match upcoming changes to the Chromium trunk:
* Eliminate usage of ALLOW_UNUSED to define COMPILE_ASSERT and just use
static_assert() in all cases now that all platforms build with C++11. *
Convert remaining uses of ALLOW_UNUSED to ALLOW_UNUSED_TYPE to match how
Chromium will be splitting this functionality. (In Chromium we'll have
both ALLOW_UNUSED_TYPE and ALLOW_UNUSED_LOCAL, which have different
syntax to enable us to use these with MSVC.) (Chromium issue 81439).
Performance and stability improvements on all platforms.
2014-10-01: Version 3.30.1
Introduce PromiseRejectCallback (issue 3093).
ES6: Implement object literal property shorthand (issue 3584).
Performance and stability improvements on all platforms.
2014-09-30: Version 3.29.93
Add a getter for the address and size of the code range to the pulic API
(issue 3598).
Convert `obj` ToObject in Object.keys() (issue 3587).
Performance and stability improvements on all platforms.
2014-09-29: Version 3.29.92
Performance and stability improvements on all platforms.
2014-09-26: Version 3.29.91
Performance and stability improvements on all platforms.
2014-09-25: Version 3.29.88
Performance and stability improvements on all platforms.
2014-09-24: Version 3.29.87
Preserve message when rethrowing exception (issue 3583).
Fix escaped index JSON parsing (Chromium issue 416449).
Performance and stability improvements on all platforms.
2014-09-23: Version 3.29.84
Performance and stability improvements on all platforms.
2014-09-23: Version 3.29.83
Performance and stability improvements on all platforms.
2014-09-23: Version 3.29.82
Fix escaped index JSON parsing (Chromium issue 416449).
Performance and stability improvements on all platforms.
2014-09-17: Version 3.29.70
Enable ES6 generators (issue 2355).
Fixed int vs. uintptr_t confusion (plus some cleanup on the way) (issue
3556).
Move configuration of ResourceConstraints to Isolate construction.
Performance and stability improvements on all platforms.
2014-09-16: Version 3.29.66
Currently, a new isolate is created in an uninitialized state, and
several API methods will automatically initialize it. During this
uninitialized state, code event handlers and function entry handlers can
be attached to the isolate.
Performance and stability improvements on all platforms.
2014-09-15: Version 3.29.64
ES6: String(symbol) should work like symbol.toString (issue 3554).
Arrow functions: Cleanup handling of the prototype property (issue
2700).
Remove V8_HOST_CAN_READ_UNALIGNED and its uses (Chromium issue 412967).
Fix Smi vs. HeapObject confusion in HConstants (Chromium issue 412215).
Performance and stability improvements on all platforms.
2014-09-12: Version 3.29.59
Do not use wide reads in CopyCharsUnsigned (Chromium issue 412967).
Fix inaccurate type condition in Hydrogen (Chromium issue 412210).
Fix crash in ScriptDebugServer::wrapCallFrames (Chromium issue 411196).
Performance and stability improvements on all platforms.
2014-09-11: Version 3.29.57
ES6: Add support for method shorthand in object literals (issue 3516).
Unbreak FreeBSD build (hopefully) (issue 3548).
Performance and stability improvements on all platforms.
2014-09-09: Version 3.29.53
Performance and stability improvements on all platforms.
2014-09-08: Version 3.29.50
Allocate a new empty number dictionary when resetting elements (Chromium
issue 410332).
Performance and stability improvements on all platforms.
2014-09-05: Version 3.29.43
Enforce correct number comparisons when inlining Array.indexOf (Chromium
issue 407946).
Performance and stability improvements on all platforms.
2014-09-04: Version 3.29.41
Performance and stability improvements on all platforms.
2014-09-03: Version 3.29.40
Use correct receiver for DOM accessors on the prototype chain (issue
3538).
Performance and stability improvements on all platforms.
2014-09-02: Version 3.29.38
Do not clear weak monomorphic IC after context disposal (Chromium issue
404020).
Turn on job-based sweeping (issue 3104).
Performance and stability improvements on all platforms.
2014-09-01: Version 3.29.35
Performance and stability improvements on all platforms.
2014-08-29: Version 3.29.29
Performance and stability improvements on all platforms.
2014-08-28: Version 3.29.27
Performance and stability improvements on all platforms.
2014-08-28: Version 3.29.25
Performance and stability improvements on all platforms.
2014-08-28: Version 3.29.24
Tweaks to generate XP-compatible .exes (Chromium issue 407517).
Performance and stability improvements on all platforms.
2014-08-28: Version 3.29.23
Performance and stability improvements on all platforms.
2014-08-27: Version 3.29.20
Handle empty allocation list in CodeRange properly (issue 3540, Chromium
issue 407566).
Fixed inlining of constant values (issue 3529).
Performance and stability improvements on all platforms.
2014-08-25: Version 3.29.17
Performance and stability improvements on all platforms.
2014-08-24: Version 3.29.16
Fix issue with numeric property names (issue 3507).
Add back the duplicate property checker (issue 3498).
Performance and stability improvements on all platforms.
2014-08-22: Version 3.29.14
Don't inline Array.shift() if receiver map is not extensible (Chromium
issue 405517).
Performance and stability improvements on all platforms.
2014-08-21: Version 3.29.11
Refactor ParseObjectLiteral.
Support symbol-named properties in API (issue 3394).
Suppress test262 test that tests duplicate properties.
ES6: Duplicate properties are no longer an error (issue 3498).
Expose function CheckDebugBreak in the debugger api.
Remove RegExp.$input (issue 3486).
Performance and stability improvements on all platforms.
2014-08-21: Version 3.29.10
ES6: Make sure we do not store -0 as the key in Map/Set (issue 3515).
Remove removed flags from tests.
Expose well-known Symbols to C++ API (Chromium issue 341423).
Implement ES6 Array.of() (issue 3427).
Performance and stability improvements on all platforms.
2014-08-20: Version 3.29.9
Correctly handle holes when concat()ing double arrays (Chromium issue
403409).
[turbofan] Refactor the InstructionSelector tests (issue 3489).
ES6: Make Map/Set constructors support iterable values (issue 3508).
WeakMap/WeakSet: Add test for non object keys (issue 3399).
Performance and stability improvements on all platforms.
2014-08-12: Version 3.28.71
ToNumber(Symbol) should throw TypeError (issue 3499).
Performance and stability improvements on all platforms.
2014-08-11: Version 3.28.69
Performance and stability improvements on all platforms.
2014-08-09: Version 3.28.65
Performance and stability improvements on all platforms.
2014-08-08: Version 3.28.64
ES6: Implement WeakMap and WeakSet constructor logic (issue 3399).
Enable ES6 unscopables (issue 3401).
Turn on harmony_unscopables for es_staging (issue 3401).
Remove proxies from --harmony switch for M38, because problems.
Reland "Add initial support for compiler unit tests using GTest/GMock."
(issue 3489).
Enable ES6 iteration by default (issue 2214).
Performance and stability improvements on all platforms.
2014-08-07: Version 3.28.62
Only escape U+0022 in argument values of `String.prototype` HTML methods
(issue 2217).
Update webkit test for expected own properties.
This implements unscopables (issue 3401).
Add `CheckObjectCoercible` for the `String.prototype` HTML methods
(issue 2218).
Add initial support for compiler unit tests using GTest/GMock (issue
3489).
Trigger exception debug events on Promise reject (Chromium issue
393913).
Refactor unit tests for the base library to use GTest (issue 3489).
Performance and stability improvements on all platforms.
2014-08-06: Version 3.28.60
Enable ES6 Map and Set by default (issue 1622).
Performance and stability improvements on all platforms.
2014-08-06: Version 3.28.59
Removed GetConstructor from the API. Instead either get the
"constructor" property stored in the prototype, or keep a side-table.
Enable ES6 Symbols by default (issue 2158).
Performance and stability improvements on all platforms.
2014-08-05: Version 3.28.57
Add dependencies on gtest and gmock.
Performance and stability improvements on all platforms.
2014-08-04: Version 3.28.54
Performance and stability improvements on all platforms.
2014-08-01: Version 3.28.53
Performance and stability improvements on all platforms.
2014-07-31: Version 3.28.52
Performance and stability improvements on all platforms.
2014-07-31: Version 3.28.51
Drop deprecated memory related notification API (Chromium issue 397026).
Performance and stability improvements on all platforms.
2014-07-31: Version 3.28.50
Use emergency memory in the case of out of memory during evacuation
(Chromium issue 395314).
Performance and stability improvements on all platforms.
2014-07-30: Version 3.28.48
Fix Object.freeze with field type tracking. Keep the descriptor properly
intact while update the field type (issue 3458).
Performance and stability improvements on all platforms.
2014-07-29: Version 3.28.45
Performance and stability improvements on all platforms.
2014-07-28: Version 3.28.43
Performance and stability improvements on all platforms.
2014-07-25: Version 3.28.38
Fix issue with setters and their holders in accessors.cc (Chromium issue
3462).
Introduce more debug events for promises (issue 3093).
Move gc notifications from V8 to Isolate and make idle hint mandatory
(Chromium issue 397026).
The accessors should get the value from the holder and not from this
(issue 3461).
Performance and stability improvements on all platforms.
2014-07-24: Version 3.28.35
Rebaseline/update the intl tests with ICU 52 (issue 3454).
Expose the content of Sets and WeakSets through SetMirror (issue 3093).
Performance and stability improvements on all platforms.
2014-07-23: Version 3.28.32
Update ICU to 5.2 (matching chromium) (issue 3452).
Performance and stability improvements on all platforms.
2014-07-22: Version 3.28.31
Remove harmony-typeof.
Implement String.prototype.codePointAt and String.fromCodePoint (issue
2840).
Performance and stability improvements on all platforms.
2014-07-21: Version 3.28.30
Performance and stability improvements on all platforms.
2014-07-21: Version 3.28.29
Performance and stability improvements on all platforms.
2014-07-18: Version 3.28.28
Performance and stability improvements on all platforms.
2014-07-17: Version 3.28.26
Ship ES6 Math functions (issue 2938).
Make ToPrimitive throw on symbol wrappers (issue 3442).
Performance and stability improvements on all platforms.
2014-07-16: Version 3.28.25
Performance and stability improvements on all platforms.
2014-07-16: Version 3.28.24
Removed some copy-n-paste from StackFrame::Foo API entries (issue 3436).
Performance and stability improvements on all platforms.
2014-07-15: Version 3.28.23
Fix error message about read-only symbol properties (issue 3441).
Include symbol properties in Object.{create,defineProperties} (issue
3440).
Performance and stability improvements on all platforms.
2014-07-14: Version 3.28.22
Performance and stability improvements on all platforms.
2014-07-11: Version 3.28.21
Make `let` usable as an identifier in ES6 sloppy mode (issue 2198).
Support ES6 Map and Set in heap profiler (issue 3368).
Performance and stability improvements on all platforms.
2014-07-10: Version 3.28.20
Remove deprecate counter/histogram methods.
Fixed printing of external references (Chromium issue 392068).
Fix several issues with ES6 redeclaration checks (issue 3426).
Performance and stability improvements on all platforms.
2014-07-09: Version 3.28.19
Performance and stability improvements on all platforms.
2014-07-09: Version 3.28.18
Reland "Postpone termination exceptions in debug scope." (issue 3408).
Performance and stability improvements on all platforms.
2014-07-08: Version 3.28.17
MIPS: Fix computed properties on object literals with a double as
propertyname (Chromium issue 390732).
Performance and stability improvements on all platforms.
2014-07-08: Version 3.28.16
Fix computed properties on object literals with a double as propertyname
(Chromium issue 390732).
Avoid brittle use of .bind in Promise.all (issue 3420).
Performance and stability improvements on all platforms.
2014-07-07: Version 3.28.15
Remove a bunch of Isolate::UncheckedCurrent calls.
Performance and stability improvements on all platforms.
2014-07-07: Version 3.28.14
Use the HeapObjectIterator to scan-on-scavenge map pages (Chromium issue
390732).
Introduce debug events for Microtask queue (Chromium issue 272416).
Split out libplatform into a separate libary.
Add clang-format to presubmit checks.
Stack traces exposed to Javascript should omit extensions (issue 311).
Remove deprecated v8::Context::HasOutOfMemoryException.
Postpone termination exceptions in debug scope (issue 3408).
Performance and stability improvements on all platforms.
2014-07-04: Version 3.28.13
Rollback to r22134.
2014-07-04: Version 3.28.12
Use the HeapObjectIterator to scan-on-scavenge map pages (Chromium issue
390732).
Introduce debug events for Microtask queue (Chromium issue 272416).
Performance and stability improvements on all platforms.
2014-07-03: Version 3.28.11
Split out libplatform into a separate libary.
Performance and stability improvements on all platforms.
2014-07-03: Version 3.28.10
Add clang-format to presubmit checks.
Stack traces exposed to Javascript should omit extensions (issue 311).
Remove deprecated v8::Context::HasOutOfMemoryException.
Postpone termination exceptions in debug scope (issue 3408).
Performance and stability improvements on all platforms.
2014-07-02: Version 3.28.9
Make freeze & friends ignore private properties (issue 3419).
Introduce a builddeps make target (issue 3418).
Performance and stability improvements on all platforms.
2014-07-01: Version 3.28.8
Remove static initializer from isolate.
ES6: Add missing Set.prototype.keys function (issue 3411).
Introduce debug events for promises (issue 3093).
Performance and stability improvements on all platforms.
2014-06-30: Version 3.28.7
Performance and stability improvements on all platforms.
2014-06-30: Version 3.28.6
Unbreak "os" stuff in shared d8 builds (issue 3407).
Performance and stability improvements on all platforms.
2014-06-26: Version 3.28.4
Compile optimized code with active debugger but no break points
(Chromium issue 386492).
Optimize Map/Set.prototype.forEach.
Collect garbage with kReduceMemoryFootprintMask in IdleNotification
(Chromium issue 350720).
Performance and stability improvements on all platforms.
2014-06-26: Version 3.28.3
Grow heap slower if GC freed many global handles (Chromium issue
263503).
Performance and stability improvements on all platforms.
2014-06-25: Version 3.28.2
Remove bogus assertions in HCompareObjectEqAndBranch (Chromium issue
387636).
Do not eagerly update allow_osr_at_loop_nesting_level (Chromium issue
387599).
Set host_arch to ia32 on machines with a 32bit userland but a 64bit
kernel (Chromium issue 368384).
Map/Set: Implement constructor parameter handling (issue 3398).
Performance and stability improvements on all platforms.
2014-06-24: Version 3.28.1
Support LiveEdit on Arm64 (Chromium issue 368580).
Run JS micro tasks in the appropriate context (Chromium issue 385349).
Add a use counter API.
Set host_arch to ia32 on machines with a 32bit userland but a 64bit
kernel.
Performance and stability improvements on all platforms.
2014-06-23: Version 3.28.0
MIPS: Support LiveEdit (Chromium issue 368580).
Array.concat: properly go to dictionary mode when required (Chromium
issue 387031).
Support LiveEdit on ARM (Chromium issue 368580).
Performance and stability improvements on all platforms.
2014-06-18: Version 3.27.34
Reduce number of writes to DependentCode array when inserting dependent
IC (Chromium issue 305878).
Performance and stability improvements on all platforms.
2014-06-17: Version 3.27.33
Do GC if CodeRange fails to allocate a block (Chromium issue 305878).
Throw syntax error when a getter/setter has the wrong number of params
(issue 3371).
Performance and stability improvements on all platforms.
2014-06-17: Version 3.27.32
Performance and stability improvements on all platforms.
2014-06-16: Version 3.27.31
Version fix.
2014-06-16: Version 3.27.30
Fix representation of Phis for mutable-heapnumber-in-object-literal
properties (issue 3392).
Performance and stability improvements on all platforms.
2014-06-16: Version 3.27.29
Emulate MLS on pre-ARMv6T2. Cleaned up thumbee vs. thumb2 confusion.
X87: Fixed flooring division by a power of 2, once again.. (issue 3259).
Fixed undefined behavior in RNG (Chromium issue 377790).
Performance and stability improvements on all platforms.
2014-06-13: Version 3.27.28
Add v8::Promise::Then (Chromium issue 371288).
Performance and stability improvements on all platforms.
2014-06-12: Version 3.27.27
Fix detection of VFP3D16 on Galaxy Tab 10.1 (issue 3387).
Performance and stability improvements on all platforms.
2014-06-12: Version 3.27.26
MIPS: Fixed flooring division by a power of 2, once again.. (issue
3259).
Fixed flooring division by a power of 2, once again.. (issue 3259).
Fix unsigned comparisons (issue 3380).
Performance and stability improvements on all platforms.
2014-06-11: Version 3.27.25
Performance and stability improvements on all platforms.
2014-06-11: Version 3.27.24
Fix invalid attributes when generalizing because of incompatible map
change (Chromium issue 382143).
Fix missing smi check in inlined indexOf/lastIndexOf (Chromium issue
382513).
Performance and stability improvements on all platforms.
2014-06-06: Version 3.27.23
Performance and stability improvements on all platforms.
2014-06-06: Version 3.27.22
Performance and stability improvements on all platforms.
2014-06-06: Version 3.27.21
Turn on harmony_collections for es_staging (issue 1622).
Do not make heap iterable eagerly (Chromium issue 379740).
Performance and stability improvements on all platforms.
2014-06-05: Version 3.27.20
Fix invalid loop condition for Array.lastIndexOf() (Chromium issue
380512).
Add API support for passing a C++ function as a microtask callback.
Performance and stability improvements on all platforms.
2014-06-04: Version 3.27.19
Split Put into Put and Remove.
ES6: Add support for values/keys/entries for Map and Set (issue 1793).
Performance and stability improvements on all platforms.
2014-06-03: Version 3.27.18
Remove PROHIBITS_OVERWRITING as it is subsumed by non-configurable
properties.
Performance and stability improvements on all platforms.
2014-06-02: Version 3.27.17
BuildNumberToString: Check for undefined keys in the cache (Chromium
issue 368114).
HRor and HSar can deoptimize (issue 3359).
Simplify, speed-up correct-context ObjectObserve calls.
Performance and stability improvements on all platforms.
2014-05-29: Version 3.27.16
Allow microtasks to throw exceptions and handle them gracefully
(Chromium issue 371566).
Performance and stability improvements on all platforms.
2014-05-28: Version 3.27.15
Performance and stability improvements on all platforms.
2014-05-27: Version 3.27.14
Reland "Customized support for feedback on calls to Array." and follow-
up fixes (Chromium issues 377198, 377290).
Performance and stability improvements on all platforms.
2014-05-26: Version 3.27.13
Performance and stability improvements on all platforms.
2014-05-26: Version 3.27.12
Check for cached transition to ExternalArray elements kind (issue 3337).
Support ES6 weak collections in heap profiler (Chromium issue 376196).
Performance and stability improvements on all platforms.
2014-05-23: Version 3.27.11
Add support for ES6 Symbol in heap profiler (Chromium issue 376194).
Performance and stability improvements on all platforms.
2014-05-22: Version 3.27.10
Implement Mirror object for Symbols (issue 3290).
Allow debugger to step into Map and Set forEach callbacks (issue 3341).
Fix ArrayShift hydrogen support (Chromium issue 374838).
Use SameValueZero for Map and Set (issue 1622).
Array Iterator next should check for own property.
Performance and stability improvements on all platforms.
2014-05-21: Version 3.27.9
Disable ArrayShift hydrogen support (Chromium issue 374838).
ES6 Map/Set iterators/forEach improvements (issue 1793).
Performance and stability improvements on all platforms.
2014-05-20: Version 3.27.8
Move microtask queueing logic from JavaScript to C++.
Partial revert of "Next bunch of fixes for check elimination" (Chromium
issue 372173).
Performance and stability improvements on all platforms.
2014-05-19: Version 3.27.7
Performance and stability improvements on all platforms.
2014-05-19: Version 3.27.6
Performance and stability improvements on all platforms.
2014-05-16: Version 3.27.5
Performance and stability improvements on all platforms.
2014-05-15: Version 3.27.4
Drop thenable coercion cache (Chromium issue 372788).
Skip write barriers when updating the weak hash table (Chromium issue
359401).
Performance and stability improvements on all platforms.
2014-05-14: Version 3.27.3
Performance and stability improvements on all platforms.
2014-05-13: Version 3.27.2
Harden %SetIsObserved with RUNTIME_ASSERTs (Chromium issue 371782).
Drop unused static microtask API.
Introduce an api to query the microtask autorun state of an isolate.
Performance and stability improvements on all platforms.
2014-05-12: Version 3.27.1
Object.observe: avoid accessing acceptList properties more than once
(issue 3315).
Array Iterator prototype should not have a constructor (issue 3293).
Fix typos in unit test for Array.prototype.fill().
Shorten autogenerated error message for functions only (issue 3019,
Chromium issue 331971).
Reland "Removed default Isolate." (Chromium issue 359977).
Performance and stability improvements on all platforms.
2014-05-09: Version 3.27.0
Unbreak samples and tools.
Performance and stability improvements on all platforms.
2014-05-08: Version 3.26.33
Removed default Isolate (Chromium issue 359977).
Performance and stability improvements on all platforms.
2014-05-07: Version 3.26.32
Performance and stability improvements on all platforms.
2014-05-06: Version 3.26.31
Add a basic gn file for V8.
Performance and stability improvements on all platforms.
2014-05-05: Version 3.26.30
Introduce a microtask suppression scope and move microtask methods to
isolate (Chromium issue 369503).
Re-enable Object.observe and add enforcement for security invariants.
Move cache line size calculation directly into CPU::FlushICache
(Chromium issue 359977).
Generation of our home-grown memmove doesn't depend on serializer state
anymore (Chromium issue 359977).
Fix |RunMicrotasks()| leaking reference to the last context being run
on.
Object.defineProperty shouldn't be a hint that we're constructing a
dictionary (Chromium issue 362870).
Performance and stability improvements on all platforms.
2014-05-01: Version 3.26.29
Added a Isolate* parameter to Serializer::enabled() (Chromium issue
359977).
ES6: Add support for Array.prototype.fill() (issue 3273).
Performance and stability improvements on all platforms.
2014-04-29: Version 3.26.28
PromiseThen should ignore non-function parameters (Chromium issue
347455).
Performance and stability improvements on all platforms.
2014-04-29: Version 3.26.27
Error stack getter should not overwrite itself with a data property
(issue 3294).
Performance and stability improvements on all platforms.
2014-04-28: Version 3.26.26
Expose promise value through promise mirror (issue 3093).
Simplified CPU/CpuFeatures a bit (Chromium issue 359977).
Performance and stability improvements on all platforms.
2014-04-28: Version 3.26.25
Add timestamps to CPU profile samples (Chromium issue 363976).
Expose promise status through promise mirror (issue 3093).
Remove static CallCompletedCallback handlers.
Added an Isolate* field to NoTrackDoubleFieldsForSerializerScope,
PlatformFeatureScope and BinaryOpIC::State (Chromium issue 359977).
Trigger debug event on not yet caught exception in promises (issue
3093).
Unbreak vtunejit=on (issue 3288).
Performance and stability improvements on all platforms.
2014-04-25: Version 3.26.24
MIPS: CodeStubs contain their corresponding Isolate* now. (part 2)
(Chromium issue 359977).
MIPS: CodeStubs contain their corresponding Isolate* now. (part 1)
(Chromium issue 359977).
CodeStubs contain their corresponding Isolate* now. (part 2) (Chromium
issue 359977).
Make DescriptorArray::IsMoreGeneralThan() and DescriptorArray::Merge()
compatible again (Chromium issue 365172).
CodeStubs contain their corresponding Isolate* now. (part 1) (Chromium
issue 359977).
Performance and stability improvements on all platforms.
2014-04-24: Version 3.26.23
Performance and stability improvements on all platforms.
2014-04-23: Version 3.26.22
Disable field type tracking by default (Chromium issue 365172).
Performance and stability improvements on all platforms.
2014-04-23: Version 3.26.21
Context-allocate all parameters in generators (issue 3280).
Simplify v8/Isolate teardown (Chromium issue 359977).
Performance and stability improvements on all platforms.
2014-04-21: Version 3.26.20
ES6: Add support for Map/Set forEach (Chromium issues 1793, 2323).
Performance and stability improvements on all platforms.
2014-04-18: Version 3.26.19
ES6: Add support for Map/Set forEach (Chromium issues 1793, 2323).
Performance and stability improvements on all platforms.
2014-04-17: Version 3.26.18
Removed Isolate::EnterDefaultIsolate (Chromium issue 359977).
Performance and stability improvements on all platforms.
2014-04-16: Version 3.26.17
Clear invalid field maps in PropertyAccessInfo (Chromium issue 363956).
ES6: Add support for Map/Set forEach (Chromium issues 1793, 2323).
Performance and stability improvements on all platforms.
2014-04-16: Version 3.26.16
Removed EnterIsolateIfNeeded and a soon-to-be-useless assertion
(Chromium issue 359977).
Removed GetDefaultIsolate{Debugger,ForLocking,StackGuard} (Chromium
issue 359977).
Performance and stability improvements on all platforms.
2014-04-15: Version 3.26.15
Fix result of LCodeGen::DoWrapReceiver for strict functions and builtins
(Chromium issue 362128).
Performance and stability improvements on all platforms.
2014-04-15: Version 3.26.14
Performance and stability improvements on all platforms.
2014-04-14: Version 3.26.13
Make maps in monomorphic IC stubs weak (issue 2073).
x64: Make sure that the upper half of a 64bit register contains 0 for
int32 values (Chromium issue 360611).
Performance and stability improvements on all platforms.
2014-04-11: Version 3.26.12
Do not use ranges after range analysis (Chromium issue 361608).
Performance and stability improvements on all platforms.
2014-04-10: Version 3.26.11
Performance and stability improvements on all platforms.
2014-04-10: Version 3.26.10
Allow the embedder to pass the virtual memory limit to v8.
Performance and stability improvements on all platforms.
2014-04-09: Version 3.26.9
Fix invalid local property lookup for transitions (Chromium issue
361025).
MIPS: Fixed flooring division by -1 (issue 3259).
Fixed flooring division by -1 on ARM (issue 3259).
Make `String.prototype.contains` throw when passing a regular expression
(issue 3261).
Performance and stability improvements on all platforms.
2014-04-08: Version 3.26.8
Yet another regression test for range analysis (issue 3204).
Performance and stability improvements on all platforms.
2014-04-07: Version 3.26.7
Performance and stability improvements on all platforms.
2014-04-04: Version 3.26.6
Performance and stability improvements on all platforms.
2014-04-03: Version 3.26.5
Performance and stability improvements on all platforms.
2014-04-03: Version 3.26.4
Make stray 'return' an early error.
Show references from weak containers as weak in heap snapshots (Chromium
issue 356590).
Make invalid LHSs that are calls late errors (Chromium issue 358346).
Performance and stability improvements on all platforms.
2014-04-02: Version 3.26.3
Support typed arrays in IsMoreGeneralElementsKindTransition (Chromium
issue 357054).
Remove debugger_auto_break flag.
Store i18n meta data in hidden symbols instead of js accessible
properties (Chromium issue 354967).
Performance and stability improvements on all platforms.
2014-04-01: Version 3.26.2
Performance and stability improvements on all platforms.
2014-04-01: Version 3.26.1
Fix Type::Intersect to skip uninhabited bitsets (Chromium issue 357330).
Fix PrepareKeyedOperand on arm (Chromium issue 358057).
Performance and stability improvements on all platforms.
2014-03-31: Version 3.26.0
Deprecate Start/StopCpuProfiling methods (issue 3213).
Don't crash if we get a timezone change notification on an uninitialized
isolate (Chromium issue 357362).
Performance and stability improvements on all platforms.
2014-03-28: Version 3.25.30
NativeContext::map_cache reference should be strong in heap snapshots
(Chromium issue 357060).
Performance and stability improvements on all platforms.
2014-03-27: Version 3.25.29
Performance and stability improvements on all platforms.
2014-03-27: Version 3.25.28
Performance and stability improvements on all platforms.
2014-03-26: Version 3.25.27
Promise constructor should not be enumerable (Chromium issue 352597).
Performance and stability improvements on all platforms.
2014-03-26: Version 3.25.26
Performance and stability improvements on all platforms.
2014-03-25: Version 3.25.25
Roll ICU 239289:258359 and add support for external ICU data tables
(issue 3142, Chromium issue 72633).
Performance and stability improvements on all platforms.
2014-03-25: Version 3.25.24
Add support for per-isolate private symbols.
No longer OOM on invalid string length (issue 3060).
Remove Failure::OutOfMemory propagation and
V8::IgnoreOutOfMemoryException (issue 3060).
Tentative Windows dll build fix: Don't V8_EXPORT ScriptCompiler::Source
(issue 3228).
Performance and stability improvements on all platforms.
2014-03-24: Version 3.25.23
Rename A64 port to ARM64 port (Chromium issue 354405).
Fix missing access check in Runtime_SetPrototype (Chromium issue
354123).
Fix polymorphic hydrogen handling of SLOPPY_ARGUMENTS_ELEMENTS (Chromium
issue 354391).
Performance and stability improvements on all platforms.
2014-03-20: Version 3.25.22
Increase the "local variables in a function" limit (issue 3205).
Implement ES6 symbol registry and predefined symbols.
Throw exception on invalid string length instead of OOM (Chromium issue
349329).
Performance and stability improvements on all platforms.
2014-03-20: Version 3.25.21
Performance and stability improvements on all platforms.
2014-03-20: Version 3.25.20
Fix polymorphic keyed loads for SLOPPY_ARGUMENTS_ELEMENTS (Chromium
issue 350867).
Performance and stability improvements on all platforms.
2014-03-19: Version 3.25.19
Performance and stability improvements on all platforms.
2014-03-19: Version 3.25.18
Performance and stability improvements on all platforms.
2014-03-19: Version 3.25.17
Performance and stability improvements on all platforms.
2014-03-18: Version 3.25.16
Apply numeric casts correctly in typed arrays and related code (Chromium
issue 353004).
Performance and stability improvements on all platforms.
2014-03-18: Version 3.25.15
Don't generate keyed store ICs for global proxies (Chromium issue
352983).
MIPS: Make invalid LHSs a parse-time (reference) error (Chromium issue
351658).
Make invalid LHSs a parse-time (reference) error (Chromium issue
351658).
Add Promises/A+ Compliance Test Suite (Chromium issue 347095).
Split Promise API into Promise/Resolver.
Performance and stability improvements on all platforms.
2014-03-17: Version 3.25.14
Performance and stability improvements on all platforms.
2014-03-17: Version 3.25.13
Move profiler callback interfaces from v8.h to v8-profiler.h.
Performance and stability improvements on all platforms.
2014-03-14: Version 3.25.12
PromiseCoerce should deal with an error during accessing "then"
(Chromium issue 347095).
Propagate updated offsets in BoundsCheckBbData (Chromium issue 350863).
Add regression test for range analysis bug (issue 3204).
Continued fix for 351257. Reusing the feedback vector is too complex
(Chromium issue 351257).
StopCpuProfiling should return non-const CpuProfile (issue 3213).
Allow for compiling with xcode 5.1 (which doesn't have gcc anymore).
Performance and stability improvements on all platforms.
2014-03-14: Version 3.25.11
MIPS: Remove uses of CanBeNegative() in HMod (issue 3204).
MIPS: Remove uses of RangeCanInclude() in flooring division by power of
2 (issue 3204).
MIPS: Fix uses of range analysis results in HChange (issue 3204).
Make translation of modulus operation '--stress-opt'-proof (Chromium
issue 352059).
Remove uses of CanBeNegative() in HMod (issue 3204).
Remove uses of RangeCanInclude() in flooring division by power of 2
(issue 3204).
Fix uses of range analysis results in HChange (issue 3204).
Performance and stability improvements on all platforms.
2014-03-14: Version 3.25.10
This version was not committed due to script failures.
2014-03-13: Version 3.25.9
Reland "Enable Object.observe by default" again (issue 2409).
Use intrinsics for builtin ArrayBuffer property accesses (Chromium issue
351787).
Performance and stability improvements on all platforms.
2014-03-12: Version 3.25.8
Fix HIsSmiAndBranch::KnownSuccessorBlock() by deleting it (Chromium
issue 351320).
Fix handling of polymorphic array accesses with constant index (Chromium
issue 351319).
Fix lazy deopt after tagged binary ops (Chromium issue 350434).
MIPS: Cleanup some of the range uses in ModI/DivI (issue 3204).
Fix issue with getOwnPropertySymbols and hidden properties (Chromium
issue 350864).
Cleanup some of the range uses in ModI/DivI (issue 3204).
PromiseCoerce should ignore primitive values (Chromium issue 347095).
Use a per-isolate cache for the date object JS bits (Chromium issue
348856).
Performance and stability improvements on all platforms.
2014-03-11: Version 3.25.7
Promise.all and Promise.race should reject non-array parameter (Chromium
issue 347453).
Promise.all and Promise race should use "then" rather than "chain"
(Chromium issue 347427).
Merge the "Compute Minus Zero Checks" phase into the range analysis
(issue 3204).
Performance and stability improvements on all platforms.
2014-03-10: Version 3.25.6
Replace the recursion in PropagateMinusZeroChecks() with a loop and a
worklist (issue 3204).
Reland "Enable Object.observe by default" (issue 2409).
Enable Object.observe by default (issue 2409).
AllocationTracker now maintains a map from address range to stack trace
that allocated the range. When snapshot is generated the map is used to
find construction stack trace for an object using its address (Chromium
issue 277984).
Introduce Runtime_GetAllScopesDetails to get all scopes at once for a
frame (Chromium issue 340285).
Reduce heavy runtime calls from debug mirrors (Chromium issue 340285).
Check and clear date cache in DateCurrentTime, DateLocalTimezone and
getTimezoneOffset (Chromium issue 142141).
Performance and stability improvements on all platforms.
2014-03-06: Version 3.25.5
Fix HConstants with Smi-ranged HeapNumber values (Chromium issue
349878).
Fix issues with JSON stringify replacer array (issues 3200, 3201).
Performance and stability improvements on all platforms.
2014-03-05: Version 3.25.4
x64: Fix LMathMinMax for constant Smi right-hand operands (Chromium
issue 349079).
Performance and stability improvements on all platforms.
2014-03-04: Version 3.25.3
Clear optimized code cache in shared function info when code gets
deoptimized (Chromium issue 343609).
Fixed constant folding for Math.clz32 (Chromium issue 347906).
Fix JSObject::PrintTransitions (Chromium issue 347912).
Fix handling of constant global variable assignments (Chromium issue
347904).
Removed bogus ASSERT (Chromium issue 347542).
Mark HCompareMap as having Tagged representation (Chromium issue
346636).
Fix crasher in Object.getOwnPropertySymbols (Chromium issue 346141).
Fix the bit massaging code in CompleteParserRecorder::WriteNumber
(Chromium issue 346221).
Don't eliminate loads with incompatible types or representations
(Chromium issue 346343).
Check that after a weak callback, the handle is either dead or strong
(Chromium issue 346061).
Lazy preparsing vs. lazy parsing fix (Chromium issue 346207).
Performance and stability improvements on all platforms.
2014-02-25: Version 3.25.2
Fix the bit massaging code in CompleteParserRecorder::WriteNumber
(Chromium issue 346221).
Revert r19455 "Load target types and handlers before IC computation."
(Chromium issue 346149).
Don't eliminate loads with incompatible types or representations
(Chromium issue 346343).
Fix for a smi stores optimization on x64 with a regression test
(Chromium issue 345715).
Check that after a weak callback, the handle is either dead or strong
(Chromium issue 346061).
negative bounds checking on realm calls (Chromium issue 344285).
Lazy preparsing vs. lazy parsing fix (Chromium issue 346207).
Fix optimistic BCE to back off after deopt (issue 3176).
Performance and stability improvements on all platforms.
2014-02-21: Version 3.25.1
Performance and stability improvements on all platforms.
2014-02-19: Version 3.25.0
ES6: Tighten up Object.prototype.__proto__ (issue 3064).
Fix Hydrogen bounds check elimination (Chromium issue 344186).
Performance and stability improvements on all platforms.
2014-02-19: Version 3.24.40
A64: Let the MacroAssembler resolve branches to distant targets (issue
3148).
Fixed and improved code for integral division. Fixed and extended tests
(issue 3151).
MIPS: Fix assignment of function name constant (issue 3138).
Fix assignment of function name constant (issue 3138).
Performance and stability improvements on all platforms.
2014-02-14: Version 3.24.39
Introduce --job-based-sweeping flag and use individual jobs for sweeping
if set (issue 3104).
Performance and stability improvements on all platforms.
2014-02-13: Version 3.24.38
Merge experimental/a64 to bleeding_edge (issue 3113).
Performance and stability improvements on all platforms.
2014-02-12: Version 3.24.37
Fix spec violations in JSON.stringify wrt replacer array (issue 3135).
Performance and stability improvements on all platforms.
2014-02-11: Version 3.24.36
Fix inconsistencies wrt whitespaces (issue 3109).
Performance and stability improvements on all platforms.
2014-02-10: Version 3.24.35
Fix inconsistencies wrt whitespaces (issue 3109).
Performance and stability improvements on all platforms.
2014-02-07: Version 3.24.34
Performance and stability improvements on all platforms.
2014-02-06: Version 3.24.33
Allow externalizing strings in old pointer space (Chromium issue
268686).
Performance and stability improvements on all platforms.
2014-02-05: Version 3.24.32
Add Box object to heap profiler.
Check the offset argument of TypedArray.set for fitting into Smi
(Chromium issue 340125).
Performance and stability improvements on all platforms.
2014-02-04: Version 3.24.31
Fix short-circuiting logical and/or in HOptimizedGraphBuilder (Chromium
issue 336148).
Elements field of newly allocated JSArray could be left uninitialized in
some cases (fast literal case) (Chromium issue 340124).
Re-enable escape analysis.
Performance and stability improvements on all platforms.
2014-02-03: Version 3.24.30
Performance and stability improvements on all platforms.
2014-02-01: Version 3.24.29
Performance and stability improvements on all platforms.
2014-01-31: Version 3.24.28
Don't crash in Array.join() if the resulting string exceeds the max
string length (Chromium issue 336820).
Implements ES6 String.prototype.normalize method (issue 2943).
Performance and stability improvements on all platforms.
2014-01-30: Version 3.24.27
Performance and stability improvements on all platforms.
2014-01-29: Version 3.24.26
ES6: Map and Set needs to normalize minus zero (issue 3069).
Make `String.prototype.{starts,ends}With` throw when passing a regular
expression (issue 3070).
Performance and stability improvements on all platforms.
2014-01-28: Version 3.24.25
Performance and stability improvements on all platforms.
2014-01-27: Version 3.24.24
MIPS: Reduce the stack requirements of GetNoCodeAgeSequence (issue
3111).
Delete v8_shell target now that chrome uses d8 (Chromium issue 331585).
ARM: Reduce the stack requirements of GetNoCodeAgeSequence (issue 3111).
Performance and stability improvements on all platforms.
2014-01-24: Version 3.24.23
Performance and stability improvements on all platforms.
2014-01-23: Version 3.24.22
Fix compilation on x64 architectures (issue 3110).
Ensure we don't overwrite transitions in SetPropertyIgnoreAttributes
(Chromium issue 326155).
ES6: Implement Object.setPrototypeOf (issue 2675).
Fixed floor-of-div optimization (Chromium issue 334708).
Performance and stability improvements on all platforms.
2014-01-22: Version 3.24.21
Performance and stability improvements on all platforms.
2014-01-21: Version 3.24.20
ES6: Implement Object.setPrototypeOf (issue 2675).
Performance and stability improvements on all platforms.
2014-01-20: Version 3.24.19
Introduce a setting to control the toolset for which d8 is compiled
(issue 1775).
Performance and stability improvements on all platforms.
2014-01-17: Version 3.24.18
Performance and stability improvements on all platforms.
2014-01-16: Version 3.24.17
Make cells pointing to JSObjects weak in optimized code (issue 2073).
Performance and stability improvements on all platforms.
2014-01-15: Version 3.24.16
Annotate mapped memory regions for LeakSanitizer (Chromium issue
328552).
Turn Runtime_MigrateInstance into Runtime_TryMigrateInstance (Chromium
issue 315252).
Performance and stability improvements on all platforms.
2014-01-14: Version 3.24.15
Introduce an API mirroring the gc extension.
Performance and stability improvements on all platforms.
2014-01-10: Version 3.24.14
ES6: Add Object.getOwnPropertySymbols (issue 3049).
Performance and stability improvements on all platforms.
2014-01-09: Version 3.24.13
Add Isolate parameter to HandleScope::NumberOfHandles (Chromium issue
324225).
Removed v8::AssertNoGCScope.
Performance and stability improvements on all platforms.
2014-01-08: Version 3.24.12
Correctly handle instances without elements in polymorphic keyed
load/store (Chromium issue 331416).
Fix selection of popular pages in store buffer (Chromium issue 331444).
Prepare removal of ObjectTemplate::New without Isolate parameter
(Chromium issue 324225).
Performance and stability improvements on all platforms.
2014-01-07: Version 3.24.11
Remove generated makefiles on linux when running gyp_v8
(Chromium issue 331475)
Fix building d8 with readline support due to API changes
Performance and stability improvements on all platforms.
2014-01-03: Version 3.24.10
Reland r18383: More API cleanup (Chromium issue 324225).
MIPS: Fix loading of global object in LWrapReceiver (Chromium issue
318420).
Performance and stability improvements on all platforms.
2014-01-02: Version 3.24.9
Performance and stability improvements on all platforms.
2013-12-30: Version 3.24.8
ARM: fix loading of global object in LWrapReceiver (Chromium issue
318420).
Fix a race between concurrent recompilation and OSR (Chromium issue
330046).
Turn off concurrent sweeping (issue 3071).
Performance and stability improvements on all platforms.
2013-12-23: Version 3.24.7
Fix small spec violation in String.prototype.split (issue 3026).
Correctly resolve forcibly context allocated parameters in debug-
evaluate (Chromium issue 325676).
Introduce Function::GetBoundFunction.
Performance and stability improvements on all platforms.
2013-12-20: Version 3.24.6
Performance and stability improvements on all platforms.
2013-12-19: Version 3.24.5
Performance and stability improvements on all platforms.
2013-12-18: Version 3.24.4
Removed all stuff marked as V8_DEPRECATED.
Performance and stability improvements on all platforms.
2013-12-17: Version 3.24.3
Performance and stability improvements on all platforms.
2013-12-17: Version 3.24.2
Flush instruction cache for deserialized code objects.
Performance and stability improvements on all platforms.
2013-12-13: Version 3.24.1
Fix polymorphic inlined calls with migrating prototypes.
Fixed global object leak caused by overwriting the global receiver (the
global proxy) in the global object with the global object itself
(Chromium issue 324812).
Initialize Date parse cache with SMI instead of double to workaround
sharing mutable heap numbers in snapshot (Chromium issue 280531).
Switch armv7 setting to arm_version==7 in v8 gyp files (Chromium issue
234135).
Performance and stability improvements on all platforms.
2013-12-09: Version 3.24.0
Performance and stability improvements on all platforms.
2013-12-04: Version 3.23.18
Performance and stability improvements on all platforms.
2013-12-03: Version 3.23.17
Performance and stability improvements on all platforms.
2013-12-02: Version 3.23.16
Array builtins need to be prevented from changing frozen objects, and
changing structure on sealed objects (Chromium issue 299979).
Performance and stability improvements on all platforms.
2013-11-29: Version 3.23.15
Fix context register allocation in LTransitionElementsKind
(Chromium issue 324306).
Fix bug in inlining Function.apply (Chromium issue 323942).
Ensure that length is Smi in TypedArrayFromArrayLike constructor
(Chromium issue 324028).
Performance and stability improvements on all platforms.
2013-11-28: Version 3.23.14
Shorten autogenerated error message (issue 3019).
Performance and stability improvements on all platforms.
2013-11-27: Version 3.23.13
Increase precision for base conversion for large integers (issue 3025).
Flatten cons string for single character substrings (Chromium issue
323041).
Performance and stability improvements on all platforms.
2013-11-26: Version 3.23.12
Performance and stability improvements on all platforms.
2013-11-25: Version 3.23.11
Deprecate old versions of Isolate::SetData and GetData.
Performance and stability improvements on all platforms.
2013-11-22: Version 3.23.10
Remove preemption thread and API.
(issue 3004)
Performance and stability improvements on all platforms.
2013-11-21: Version 3.23.9
API: Change AdjustAmountOfExternalAllocatedMemory calls to use int64_t
instead of intptr_t.
Remove deprecated v8::SetResourceConstraints without Isolate parameter.
Remove deprecated v8-defaults.h and defaults.cc.
(Chromium issue 312241)
Make it possible to add more than one piece of embedder data to
isolates.
(Chromium issue 317398)
Performance and stability improvements on all platforms.
2013-11-20: Version 3.23.8
Fixed crashes exposed though fuzzing.
(Chromium issue 320948)
Deprecated v8::External::New without Isolate parameter.
Made number of available threads isolate-dependent and exposed it to
ResourceConstraints.
(issue 2991)
Performance and stability improvements on all platforms.
2013-11-19: Version 3.23.7
Bugfix: dependent code field in AllocationSite was keeping code objects
alive even after context death.
(Chromium issue 320532)
Fixed data view accessors to throw execptions on offsets bigger than
size_t.
(issue 3013)
Performance and stability improvements on all platforms.
2013-11-18: Version 3.23.6
Limit size of dehoistable array indices.
(Chromium issues 319835, 319860)
Limit the size for typed arrays to MaxSmi.
(Chromium issue 319722)
Performance and stability improvements on all platforms.
2013-11-15: Version 3.23.5
Fixed missing type feedback check for Generic*String addition.
(Chromium issue 318671)
Fixed duplicate check in DependentCode::Insert.
(Chromium issue 318454)
Performance and stability improvements on all platforms.
2013-11-14: Version 3.23.4
Fixed overflow in TypedArray initialization function.
(Chromium issue 319120)
Performance and stability improvements on all platforms.
2013-11-13: Version 3.23.3
Fixed compilation with GCC 4.8.
(issue 2767, 2149)
Added explicit Isolate parameter to External::New.
(Chromium issue 266838)
Performance and stability improvements on all platforms.
2013-11-12: Version 3.23.2
Fixed --extra-code flag for snapshot creation.
(issue 2994)
Fixed error message wording when instanceof throws.
(Chromium issue 82797, issue 1593)
Performance and stability improvements on all platforms.
2013-11-08: Version 3.23.1
Made HCapturedObjects non-deletable for DCE. (issue 2987)
Use a fixed random seed per default. (issue 1880, 2885)
Fixed y-umlaut to uppercase. (issue 2984)
Performance and stability improvements on all platforms.
2013-11-06: Version 3.23.0
Fixed loading message from an Error object. (Chromium issue 306220)
Made Object.freeze/seal/preventExtensions observable. (issue 2975, 2941)
Made snapshots reproducible. (issue 2885)
Added missing negative dictionary lookup to NonexistentHandlerFrontend.
(issue 2980)
Performance and stability improvements on all platforms.
2013-10-31: Version 3.22.24
Fixed uint32-to-smi conversion in Lithium.
(Chromium issue 309623)
Performance and stability improvements on all platforms.
2013-10-28: Version 3.22.23
Renamed deprecated __attribute__((no_address_safety_analysis)) to
__attribute__((no_sanitize_address)) (Chromium issue 311283)
Defined DEBUG for v8_optimized_debug=2
Performance and stability improvements on all platforms.
2013-10-25: Version 3.22.22
Record allocation stack traces. (Chromium issue 277984,v8:2949)
Performance and stability improvements on all platforms.
2013-10-24: Version 3.22.21
Performance and stability improvements on all platforms.
2013-10-24: Version 3.22.20
Made Array.prototype.pop throw if the last element is not configurable.
Fixed HObjectAccess for loads from migrating prototypes.
(Chromium issue 305309)
Enabled preaging of code objects when --optimize-for-size.
(Chromium issue 280984)
Exposed v8::Function::GetDisplayName to public API.
(Chromium issue 17356)
Performance and stability improvements on all platforms.
2013-10-23: Version 3.22.19
Fix materialization of captured objects with field tracking.
(Chromium issue 298990)
Performance and stability improvements on all platforms.
2013-10-22: Version 3.22.18
Add tool to visualize machine code/lithium.
Handle misaligned loads and stores in load elimination. Do not track
misaligned loads and be conservative about invalidating misaligned
stores. (issue 2934)
Performance and stability improvements on all platforms.
2013-10-21: Version 3.22.17
Harmony: Implement Math.trunc and Math.sign. (issue 2938)
Performance and stability improvements on all platforms.
2013-10-21: Version 3.22.16
Performance and stability improvements on all platforms.
2013-10-18: Version 3.22.15
Enabled calling the SetReference* & SetObjectGroupId functions with a
Persistent<SubclassOfValue>.
Performance and stability improvements on all platforms.
2013-10-17: Version 3.22.14
Performance and stability improvements on all platforms.
2013-10-16: Version 3.22.13
Do not look up ArrayBuffer on global object in typed array constructor.
(issue 2931)
Performance and stability improvements on all platforms.
2013-10-15: Version 3.22.12
Added histograms to track fraction of heap spaces and percentage of
generated crankshaft code.
Moved v8_optimized_debug default value to standalone.gypi.
Track JS allocations as they arrive with no affection on performance
when tracking is switched off (Chromium issue 277984).
Performance and stability improvements on all platforms.
2013-10-14: Version 3.22.11
Performance and stability improvements on all platforms.
2013-10-11: Version 3.22.10
Fixed timezone issues with date-time/parse-* tests.
(Chromium issue 2919)
Added column getter to CpuProfileNode (Chromium issue 302537)
Performance and stability improvements on all platforms.
2013-10-10: Version 3.22.9
Ensure only whitelisted stubs have sse2 versions in the snapshot.
(fix for chromium 304565)
Implement ArrayBuffer.isView.
Performance and stability improvements on all platforms.
2013-10-04: Version 3.22.8
Performance and stability improvements on all platforms.
2013-10-03: Version 3.22.7
Debug: Allow stepping into on a given call frame
(Chromium issue 296963).
Always use timeGetTime() for TimeTicks::Now() on Windows
(Chromium issue 288924).
Performance and stability improvements on all platforms.
2013-10-02: Version 3.22.6
Performance and stability improvements on all platforms.
2013-10-01: Version 3.22.5
Disabled externalization of sliced/cons strings in old pointer space
(Chromium issue 276357).
Turned on handle zapping for release builds
Performance and stability improvements on all platforms.
2013-09-30: Version 3.22.4
Function::Call and Object::CallAsFunction APIs should allow v8::Value as
a receiver (issue 2915).
Removed unnecessary mutex (Chromium issue 291236).
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