diff -r 566066826e7c -r e4b31016e194 mercurial/configitems.py
--- a/mercurial/configitems.py	Mon Apr 04 19:30:32 2022 +0200
+++ b/mercurial/configitems.py	Tue Apr 05 05:20:05 2022 +0200
@@ -1290,6 +1290,12 @@
 )
 coreconfigitem(
     b'format',
+    b'use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories',
+    default=False,
+    experimental=True,
+)
+coreconfigitem(
+    b'format',
     b'dotencode',
     default=True,
 )