Tagging 3.2a4.
diff --git a/.hgtags b/.hgtags
index d6d3eac..3a543fc 100644
--- a/.hgtags
+++ b/.hgtags
@@ -80,3 +80,4 @@
 0000000000000000000000000000000000000000 v3.2a2
 56d4373cecb73c8b45126ba7b045b3c7b3f94b0b v3.2a2
 da012d9a2c23d144e399d2e01a55b8a83ad94573 v3.2a3
+d92a5b850f5e56808bedc01723906ed64c5e6e2e v3.2a4