Percona announces the release of Percona Server for MySQL 5.6.39-83.1 on February 13, 2018. Based on MySQL 5.6.39, including all the bug fixes in it, Percona Server for MySQL 5.6.39-83.1 is now the current stable release in the 5.6 series.
With innodb_large_prefix set to 1, Blackhole storage engine was incompatible with InnoDB table definitions, thus adding new indexes would cause replication errors on the slave. Fixed #1126 (upstream #53588).
Intermediary slave with Blackhole storage engine couldn’t record updates from master to its own binary log in case master has binlog_rows_query_log_events option enabled. Bug fixed #1119 (upstream #88057).
A build error on FreeBSD caused by fixing the bug #255 was present. Bug fixed #2284.
Server queries that contained JSON special characters and were logged by audit_log plugin in JSON format caused invalid output due to lack of escaping. Bug fixed #1115.
Compilation warnings fixed in sql_planner.cc module. Bug fixed #3632 (upstream #77637).
A memory leak fixed in PFS unit test. Bug fixed #1806 (upstream #89384).
A GCC 7 warning fix introduced regression in Percona Server for MySQL 5.6.38-83.0 that lead to a wrong SQL query built to access the remote server when Federated storage engine was used. Bug fixed #1134.
Percona Server now uses Travis CI for additional tests. Bug fixed #3777.
Other bugs fixed: #257, #1090 (upstream #78048), #1127, and #2415.
This release also contains fixes for the following CVE issues: CVE-2018-2562,
CVE-2018-2573, CVE-2018-2583, CVE-2018-2590, CVE-2018-2591, CVE-2018-2612,
CVE-2018-2622, CVE-2018-2640, CVE-2018-2645, CVE-2018-2647, CVE-2018-2665,
CVE-2018-2668, CVE-2018-2696, CVE-2018-2703, CVE-2017-3737.
Percona fixed a memory leak in the PerconaFT library. Bug fixed #TDB-98.
A clang-format configuration was added to PerconaFT and TokuDB (bug fixed #TDB-104).
Other bugs fixed: #TDB-48, #TDB-78, #TDB-93, and #TDB-99.