A handful before -rc1

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/RelNotes/2.54.0.adoc

@@ -119,6 +119,8 @@ UI, Workflows & Features
  * "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.
 --------------------------------------------------------------
@@ -283,6 +285,21 @@ 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
 -----------------
@@ -512,3 +529,6 @@ 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).