Version 2.12.1

* Cherry-pick ea3dfc9ac4617ad0346b515596636a1089ecc8a1 to stable
* Cherry-pick eb6b474d7a8c0d34b536a803f9752b9429629259 to stable
* Cherry-pick d9361f711206dee4b0b15b4eb4674a6272257969 to stable
* Cherry-pick e962528c413683d79e6141f72367d7f97d858759 to stable
* Cherry-pick 29c2197712c513de980db0ce02b91b0165e665d0 to stable
diff --git a/tools/VERSION b/tools/VERSION
index 353167a..7b54af4 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -26,6 +26,6 @@
 CHANNEL stable
 MAJOR 2
 MINOR 12
-PATCH 0
+PATCH 1
 PRERELEASE 0
 PRERELEASE_PATCH 0
\ No newline at end of file