diff -r 111f5a0cbcaa -r 568f63b5a30f mercurial/configitems.py
--- a/mercurial/configitems.py	Mon Jan 31 14:26:35 2022 +0100
+++ b/mercurial/configitems.py	Mon Jan 31 08:44:48 2022 +0100
@@ -1284,6 +1284,12 @@
 )
 coreconfigitem(
     b'format',
+    b'exp-dirstate-tracked-key-version',
+    default=0,
+    experimental=True,
+)
+coreconfigitem(
+    b'format',
     b'dotencode',
     default=True,
 )