diff --git a/client/CHANGES.txt b/client/CHANGES.txt
index e02d816d8..2d413bf6e 100644
--- a/client/CHANGES.txt
+++ b/client/CHANGES.txt
@@ -1,10 +1,15 @@
 CHANGES
 
+4.2.0 (Jun 7, 2021)
+- Updated SDK telemetry storage, metrics and updater to be more effective and send less often.
+- Improved the synchronization flow to be more reliable in the event of an edge case generating delay in cache purge propagation, keeping the SDK cache properly synced.
+- Fixed issue where the SDK was validating no Split had over 50 conditions (legacy code).
+
 4.1.6 (Apr 15, 2021)
--Updated log level and message in some messages.
+- Updated log level and message in some messages.
 
 4.1.5 (Apr 6, 2021)
--Updated: Streaming retry fix.
+- Updated streaming logic to use limited fetch retry attempts.
 
 4.1.4 (Mar 19, 2021)
 - Updated: Internal cache structure refactor.