New Features
Percona Server 5.6 packages are now available for Ubuntu 17.04 (Zesty Zapus).
Percona Server now supports Prefix Index Queries Optimization.
tokudb_dir_cmd can now be used to edit the TokuDB files.
Bugs Fixed
Deadlock could occur in I/O-bound workloads when server was using several small buffer pool instances in combination with small redo log files and variable innodb_empty_free_list_algorithm set to backoff algorithm. Bug fixed #1651657.
Querying TABLE_STATISTICS in combination with a stored function could lead to a server crash. Bug fixed #1659992.
tokubackup_slave_info file was created for a master server after taking the backup with Percona TokuBackup. Bug fixed #135.
Fixed a memory leak in Percona TokuBackup. Bug fixed #1669005.
Compressed columns with dictionaries could not be added to a partitioned table by using ALTER TABLE. Bug fixed #1671492.
Fixed a memory leak that happened in case of failure to create a multi-threaded slave worker thread. Bug fixed #1675716.
Combination of using any audit API-using plugin, like Audit Log Plugin and Response Time Distribution, with multi-byte collation connection and PREPARE statement with a parse error could lead to a server crash. Bug fixed #1688698 (upstream #86209).
Fix for a #1433432 bug in Percona Server 5.6.28-76.1 caused a performance regression due to suboptimal LRU manager thread flushing heuristics. Bug fixed #1631309.
Creating Compressed columns with dictionaries in MyISAM tables by specifying partition engines would not result in error. Bug fixed #1631954.
It was not possible to configure basedir as a symlink. Bug fixed #1639735.
Replication slave did not report Seconds_Behind_Master correctly when running in multi-threaded slave mode. Bug fixed #1654091 (upstream #84415).
DROP TEMPORARY TABLE would create a transaction in binary log on a read-only server. Bug fixed #1668602 (upstream #85258).
Creating a compression dictionary with innodb_fake_changes enabled could lead to a server crash. Bug fixed #1629257.
