--- a/.hgtags	Thu Mar 02 22:45:44 2023 +0100
+++ b/.hgtags	Thu Mar 02 23:29:52 2023 +0100
@@ -255,3 +255,4 @@
 c890d8b8bc59b18e5febf60caada629df5356ee2 6.3.1
 59466b13a3ae0e29a5d4f485393e516cfbb057d0 6.3.2
 8830004967ad865ead89c28a410405a6e71e0796 6.3.3
+05de4896508e8ec387b33eb30d8aab78d1c8e9e4 6.4rc0