diff --git a/.hgtags b/.hgtags
new file mode 100644
index 0000000000..32f2c7c2d0
--- /dev/null
+++ b/.hgtags
@@ -0,0 +1 @@
+a1550311b5eab16b458c4a76d9d4e448b3f2223d 3.0.0