* "git replay" (experimental) learns, in addition to "pick" and
"replay", a new operating mode "revert".
+ * git replay now supports replaying down to the root commit.
+
Performance, Internal Implementation, Development Support etc.
--------------------------------------------------------------
is buggy and breaks our existing tests, which unfortunately
have been rewritten to avoid triggering the bug.
+ * Object name handling (disambiguation and abbreviation) has been
+ refactored to be backend-generic, moving logic into the respective
+ object database backends.
+
+ * pack-objects's --stdin-packs=follow mode learns to handle
+ excluded-but-open packs.
+
+ * A few code paths that spawned child processes for network
+ connection weren't wait(2)ing for their children and letting "init"
+ reap them instead; they have been tightened.
+
+ * Adjust the codebase for C23 that changes functions like strchr()
+ that discarded constness when they return a pointer into a const
+ string to preserve constness.
+
Fixes since v2.53
-----------------
(merge 37182267a0 kh/doc-interpret-trailers-1 later to maint).
(merge f64c50e768 jc/rerere-modern-strbuf-handling later to maint).
(merge 699248d89e th/t8003-unhide-git-failures later to maint).
+ (merge d8e34f971b za/t2000-modernise later to maint).
+ (merge 849988bc74 th/t6101-unhide-git-failures later to maint).
+ (merge 0f0ce07625 sp/doc-gitignore-oowt later to maint).