diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -39,3 +39,4 @@ b5b30547d90d2e088472a70c84878f429ffbf40d
 9072253aa8894d20c00b4a43dc61c2168c1eff94 v4.12.1
 6a517543ea9ef9987d74371bd2a315eb0b232dc9 v4.12.2
 7fc0731b024c3114be87865eda7ab621cc957e32 v4.12.3
+6d531c0b068c6eda62dddceedc9f845ecb6feb6f v4.12.4