+GIT v188.8.131.52 Release Notes
+* Setting GIT_TRACE will report spawning of external process via run_command().
+* Bash completion script did not notice '--' marker on the command
+ line and tried the relatively slow "ref completion" even when
+ completing arguments after one.
+* Registering a non-empty blob racily and then truncating the working
+ tree file for it confused "racy-git avoidance" logic into thinking
+ that the path is now unchanged.
+* "git clone" had a leftover debugging fprintf().
+* "git clone -q" was not quiet enough as it used to and gave object count
+* "git clone" marked downloaded packfile with .keep; this could be a
+ good thing if the remote side is well packed but otherwise not,
+ especially for a project that is not really big.
+* The section that describes attributes related to git-archive were placed
+ in a wrong place in the gitattributes(5) manual page.
+* When "git push" tries to remove a remote ref, and corresponding
+ tracking ref is missing, we used to report error (i.e. failure to
+ remove something that does not exist).
+* "git mailinfo" (hence "git am") did not handle commit log messages in a
+ MIME multipart mail correctly.
+Contains other various documentation fixes.
+echo O=$(git describe maint)
+git shortlog --no-merges $O..maint