The fourth batch

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

Documentation/RelNotes/2.49.0.txt

@@ -21,6 +21,8 @@ Performance, Internal Implementation, Development Support etc.
  * More code paths have a repository passed through the callchain,
    instead of assuming the primary the_repository object.
 
+ * Move a few more unit tests to the clar test framework.
+
 
 Fixes since v2.48
 -----------------
@@ -69,9 +71,27 @@ Fixes since v2.48
    some hosting providers take as username/password, embedded in URLs.
    (merge a90ff409f0 mh/doc-credential-helpers-with-pat later to maint).
 
+ * The help text from "git $cmd -h" appear on the standard output for
+   some $cmd and the standard error for others.  The built-in commands
+   have been fixed to show them on the standard output consistently.
+   (merge f66d1423f5 jc/show-usage-help later to maint).
+
+ * The meson-driven build is now aware of "git-subtree" housed in
+   contrib/subtree hierarchy.
+   (merge 8454b42f94 ps/build-meson-subtree later to maint).
+
+ * It was possible for "git unpack-objects" and "git index-pack" to
+   make an unaligned access, which has been corrected.
+   (merge 98046591b9 jk/pack-header-parse-alignment-fix later to maint).
+
+ * The "cache" credential back-end did not handle authtype correctly,
+   which has been corrected.
+   (merge 0b43274850 mh/credential-cache-authtype-request-fix later to maint).
+
  * Other code cleanup, docfix, build fix, etc.
    (merge ddb5287894 jk/t7407-use-test-grep later to maint).
    (merge 21e1b44865 aj/difftool-config-doc-fix later to maint).
    (merge 6a63995335 mh/gitattr-doc-markup-fix later to maint).
    (merge 43850dcf9c sk/unit-test-hash later to maint).
    (merge 4ad47d2de3 jc/cli-doc-option-and-config later to maint).
+   (merge 2d0ff147e5 jp/t8002-printf-fix later to maint).