Version 1.21.0-dev.11.2

Cherry-pick 201c5b9297e5b701d4ee03ac42e6325629baf73c into dev
Cherry-pick ec81359fc0cfeebe4faf8e91db04ed4b4c7c9685 into dev
Cherry-pick 106c623a9f39cc56b4a16b166158e83cef12bd23 into dev
Cherry-pick 6bf86eacd7db5a4c183ec4ba006587c6d079c94d into dev
Cherry-pick 40bf5d321ea22fd9813d344ca2a0b06de5ec9784 into dev
Cherry-pick 2812738546a2ff499c2a1667e9c73786704b7732 into dev
Cherry-pick f2907070d87f2639b029730a8ca2a92b2ac26068 into dev
diff --git a/tools/VERSION b/tools/VERSION
index 3432258..7b36926 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -29,4 +29,4 @@
 MINOR 21
 PATCH 0
 PRERELEASE 11
-PRERELEASE_PATCH 1
+PRERELEASE_PATCH 2