Version 2.4.0-dev.0.1

* Cherry-pick 9ac3a733d2f611c405a799e871c541bd8ce33e7b to dev
* Cherry-pick 6ab173a68df4feac1409a4fab7841d821ea0fc43 to dev
* Cherry-pick f925cd442204efddc8aa3341562b3452178b30bb to dev
diff --git a/tools/VERSION b/tools/VERSION
index c5d7094..57a80b5 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -34,6 +34,6 @@
 MINOR 4
 PATCH 0
 PRERELEASE 0
-PRERELEASE_PATCH 0
+PRERELEASE_PATCH 1
 ABI_VERSION 5
 OLDEST_SUPPORTED_ABI_VERSION 3