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+ * "git rev-list" learns machine-parsable output format that delimits
+ each field with NUL.
+
+ * "git maintenance" learns a new task to expire reflog entries.
+
+ * Auth-related (and unrelated) error handling in send-email has been
+ made more robust.
+
+ * Updating multiple references have only been possible in all-or-none
+ fashion with transactions, but it can be more efficient to batch
+ multiple updates even when some of them are allowed to fail in a
+ best-effort manner. A new "best effort batches of updates" mode
+ has been introduced.
+
+ * "git help --build-options" reports SHA-1 and SHA-256 backends used
+ in the build.
+
+ * "git cat-file --batch" and friends learned to allow "--filter=" to
+ omit certain objects, just like the transport layer does.
+
Performance, Internal Implementation, Development Support etc.
--------------------------------------------------------------
* The object layer has been updated to take an explicit repository
instance as a parameter in more code paths.
+ * Some warnings from "-Wsign-compare" for builtin/rm.c have been
+ squelched.
+
+ * A few traditional unit tests have been rewritten to use the clar
+ framework.
+
+ * Some warnings from "-Wsign-compare" for pathspec.c have been
+ squelched.
+
+ * "make test" used to have a hard dependency on (basic) Perl; tests
+ have been rewritten help environment with NO_PERL test the build as
+ much as possible.
+
Fixes since v2.49
-----------------
which has been corrected..
(merge d3b5832381 pw/custom-conflict-marker-size-for-merge-related-docs later to maint).
+ * Squelch false-positive from sparse.
+ (merge da87b58014 dd/sparse-glibc-workaround later to maint).
+
+ * Adjust to the deprecation of use of Ubuntu 20.04 GitHub Actions CI.
+ (merge 832d9f6d0b js/ci-github-update-ubuntu later to maint).
+
+ * Work around CI breakage due to fedora base image getting updated.
+ (merge 8a471a663b js/ci-fedora-gawk later to maint).
+
+ * A ref transaction corner case fix.
+ (merge b9fadeead7 jt/ref-transaction-abort-fix later to maint).
+
+ * Random build fixes.
+ (merge 85e1d6819f ps/misc-build-fixes later to maint).
+
* Other code cleanup, docfix, build fix, etc.
(merge 227c4f33a0 ja/doc-block-delimiter-markup-fix later to maint).
(merge 2bfd3b3685 ab/decorate-code-cleanup later to maint).