diff -r 3c265cef6edc -r d4c1501225c4 relnotes/next
--- a/relnotes/next	Mon Jan 27 12:38:59 2020 -0800
+++ b/relnotes/next	Mon Jan 27 09:14:19 2020 -0800
@@ -17,3 +17,6 @@
 
  * `hg.merge()` has lost its `abort` argument. Please call
    `hg.abortmerge()` directly instead.
+
+ * The `*others` argument of `cmdutil.check_incompatible_arguments()`
+   changed from being varargs argument to being a single collection.