libdot: release 1.19

Change-Id: I1f7f598a6c6105e3c0ed59a59b63cef0aed76cbc
diff --git a/libdot/doc/ChangeLog.md b/libdot/doc/ChangeLog.md
index 5e54893..eb24c85 100644
--- a/libdot/doc/ChangeLog.md
+++ b/libdot/doc/ChangeLog.md
@@ -1,3 +1,8 @@
+# 1.19, 2017-10-16, Bug fixes.
+
+* Fix message lookup on non-Chrome browsers.
+* Retry storage write failures like exceeding bandwidth quotas.
+
 # 1.18, 2017-09-12, Unicode 10.0.0 updates.
 
 * Add Object.values and Object.entries polyfills.