Based on MySQL 5.6.38, including all the bug fixes in it, Percona Server 5.6.38-83.0 is the current GA release in the Percona Server 5.6 series. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.6.38-83.0 milestone at Launchpad.
Percona Server has implemented InnoDB Page Fragmentation Counters.
Percona Server has implemented support for Multiple page asynchronous I/O requests. This feature was ported from a Facebook MySQL patch.
Percona Server has implemented TokuDB integration with
Percona Server packages are now available for Ubuntu 17.10 (Artful).
Dynamic row format feature to support
MEMORYtables requires all the key columns to come before any
BLOBcolumns. This requirement however was not enforced, allowing creating MEMORY tables in unsupported column configurations, which then crashed or lose data in usage. Bug fixed #1731483.
After fixing bug #1668602, bug #1539504, and bug #1313901,
CREATE/DROP TEMPORARY TABLEstatements were forbidden incorrectly in transactional contexts, including function and trigger calls, even when they required no binary logging at all. Bug fixed #1711781.
ANALYZE TABLEwhile a long-running query is accessing the same table in parallel could lead to a situation where new queries on the same table are blocked in a
Waiting for table flushstate. Fixed by stopping
ANALYZE TABLEflushing affected InnoDB and TokuDB tables from the table definition cache. Bug fixed #1704195 (upstream #87065).
MyRocks additions to the 5.6 mysqldump output have been removed.
CREATE TABLE ... LIKE ...did not use source
row_formaton target TokuDB table. Bug fixed #76.
TokuDB would encode already encoded database name for a directory name. Bug fixed #74.
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