Version 2.17.0-257.0.dev

Merge commit 'd087f0334d5e5d98ee5346d6c7fc9f2de09e79d2' into 'dev'
diff --git a/tools/VERSION b/tools/VERSION
index a01ba5f..664d064 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -23,9 +23,9 @@
 #  * Making cherry-picks to stable channel
 #     - increase PATCH by 1
 #
-CHANNEL be
+CHANNEL dev
 MAJOR 2
 MINOR 17
 PATCH 0
-PRERELEASE 0
-PRERELEASE_PATCH 0
+PRERELEASE 257
+PRERELEASE_PATCH 0
\ No newline at end of file