Add knob disabling comma ending heuristic
diff --git a/CHANGELOG b/CHANGELOG
index 767043a..4693f03 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,7 +2,10 @@
# All notable changes to this project will be documented in this file.
# This project adheres to [Semantic Versioning](http://semver.org/).
-## [0.22.1] UNRELEASED
+## [0.23.0] UNRELEASED
+### Added
+- `DISABLE_ENDING_COMMA_HEURISTIC` is a new knob to disable the heuristic which
+ splits a list onto separate lines if the list is comma-terminated.
### Fixed
- There's no need to increase N_TOKENS. In fact, it causes other things which
use lib2to3 to fail if called from YAPF.