* "scalar" learned to give progress bar.
+ * "grep -P" learned to use Unicode Character Property to grok
+ character classes when processing \b and \w etc.
+
Performance, Internal Implementation, Development Support etc.
joined.
(merge 238a9dfe86 sk/win32-close-handle-upon-pthread-join later to maint).
+ * "git send-email -v 3" used to be expanded to "git send-email
+ --validate 3" when the user meant to pass them down to
+ "format-patch", which has been corrected.
+ (merge 8774aa56ad km/send-email-with-v-reroll-count later to maint).
+
+ * Document that "branch -f <branch>" disables only the safety to
+ avoid recreating an existing branch.
+ (merge bf08abac56 jc/doc-branch-update-checked-out-branch later to maint).
+
+ * "git fetch <group>", when "<group>" of remotes lists the same
+ remote twice, unnecessarily failed when parallel fetching was
+ enabled, which has been corrected.
+ (merge 06a668cb90 cw/fetch-remote-group-with-duplication later to maint).
+
* Other code cleanup, docfix, build fix, etc.
(merge 77e04b2ed4 rs/t4205-do-not-exit-in-test-script later to maint).
(merge faebba436e rs/plug-pattern-list-leak-in-lof later to maint).
(merge cf4936ed74 tl/ls-tree-code-clean-up later to maint).
(merge dcb47e52b0 en/t6426-todo-cleanup later to maint).
(merge 5b8db44bdd jc/format-patch-v-unleak later to maint).
+ (merge 590b636737 jk/hash-object-literally-fd-leak later to maint).