diff --git a/.hgtags b/.hgtags
index 5d6641dacf..7bb9561ca0 100644
--- a/.hgtags
+++ b/.hgtags
@@ -3122,3 +3122,4 @@ d594c15521377493d5e23b03e4dbf5108df69acd v7-4-394
 8d361608fe86c534e51e4c7e583375642d34b7a4 v7-4-397
 f62b2e76dd809dc57cad9d0fd8f04a4f3a7193e9 v7-4-398
 18ac55444b37bcae8ea090f7b3abf4826c679bc3 v7-4-399
+50a658bf4cff030cbe6a97a53bb838b5976c2e1a v7-4-400