* "git subtree" (in contrib/) learned to grok GPG signing its commits.
+ * "git whatchanged" that is longer to type than "git log --raw"
+ which is its modern rough equivalent has outlived its usefulness
+ more than 10 years ago. Plan to deprecate and remove it.
+
Performance, Internal Implementation, Development Support etc.
--------------------------------------------------------------
correctly parsed and replaced, which has been corrected.
(merge abf94a283f sa/multi-mailmap-fix later to maint).
+ * "git maintenance" lacked the care "git gc" had to avoid holding
+ onto the repository lock for too long during packing refs, which
+ has been remedied.
+ (merge 1b5074e614 ps/maintenance-ref-lock later to maint).
+
* Other code cleanup, docfix, build fix, etc.
(merge b257adb571 lo/my-first-ow-doc-update later to maint).
(merge 8b34b6a220 ly/sequencer-update-squash-is-fixup-only later to maint).
(merge 1fde1c5daf ac/preload-index-wo-the-repository later to maint).
(merge 855cfc65ae rm/t2400-modernize later to maint).
(merge 2939494284 ly/run-builtin-use-passed-in-repo later to maint).
+ (merge ff73f375bb jg/mailinfo-leakfix later to maint).