diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -216,3 +216,4 @@ 7fc3c5fbc65f6fe85d70ea63923b8767dda4f2e0
 f62bb5d07848ca598aa860a517394130b61bf2ee 5.5.1
 07731064ac41dacdf0ec869ebd05c2e848c14fbf 5.5.2
 0e06a7ab9e0d5c65af4e511aee1e0342998799df 5.6rc0
+18c17d63fdabd009e70bf994e5efb7db422f4f7f 5.6