--- a/relnotes/next	Tue Jan 19 00:20:53 2021 +0100
+++ b/relnotes/next	Fri Jan 15 01:58:59 2021 +0100
@@ -44,6 +44,9 @@
  * The `branchmap` cache is updated more intelligently and can be
    significantly faster for repositories with many branches and changesets.
 
+ * The `rev-branch-cache` is now updated incrementally whenever changesets
+   are added.
+
 
 == New Experimental Features ==