Update CHANGELOG
BUG=webm:1686
Change-Id: I51ecd0fb3da5f0aa36764706f3538d0056fac268
diff --git a/CHANGELOG b/CHANGELOG
index 345d3dc..e731fc6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,27 @@
+2020-07-29 v1.9.0 "Quacking Duck"
+ This release adds support for NV12, a separate library for rate control, as
+ well as incremental improvements.
+
+ - Upgrading:
+ NV12 support is added to this release.
+ A new interface is added for VP9 rate control. The new library libvp9rc.a
+ must be linked by applications.
+ Googletest is updated to v1.10.0.
+ simple_encode.cc is compiled into a new library libsimple_encode.a with
+ CONFIG_RATE_CTRL.
+
+ - Enhancement:
+ Various changes to improve VP9 SVC, rate control, quality and speed to real
+ time encoding.
+
+ - Bug fixes:
+ Fix key frame update refresh simulcast flexible svc.
+ Fix to disable_16x16part speed feature for real time encoding.
+ Fix some signed integer overflows for VP9 rate control.
+ Fix initialization of delta_q_uv.
+ Fix condition in regulate_q for cyclic refresh.
+ Various fixes to dynamic resizing for VP9 SVC.
+
2019-12-09 v1.8.2 "Pekin Duck"
This release collects incremental improvements to many aspects of the library.
