Bugs Fixed
With Expanded Fast Index Creation enabled, DDL queries involving InnoDB temporary tables would cause later queries on the same tables to produce warnings that their indexes were not found in the index translation table. Bug fixed #1233431.
Package upgrade on Ubuntu would run mysql_install_db even though data directory already existed. Bug fixed #1457614.
Starting MySQL with systemctl would fail with timeout if the socket was specified with a custom path. Bug fixed #1534825.
mysqldumpslow script has been removed because it was not compatible with Percona Server extended slow query log format. Please use pt-query-digest from Percona Toolkit instead. Bug fixed #856910.
When cmake/make/make_binary_distribution workflow was used to produce binary tarballs it would produce tarballs with mysql-... naming instead of percona-server-.... Bug fixed #1540385.
Other bugs fixed: #1521120 and #1534246.