Version 1.18.0-dev.4.3

Cherry-pick 30b489578d9ee587d2ca622346e2051a869fb994 to dev
Cherry-pick bde8d3efc6f7558edda6a1cad879ff4a264ddabe to dev
Cherry-pick 69a8b11f6717d4cc8e55f9bc0123eac4f90db849 to dev
diff --git a/tools/VERSION b/tools/VERSION
index e275633..261629f 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 18
 PATCH 0
 PRERELEASE 4
-PRERELEASE_PATCH 2
+PRERELEASE_PATCH 3