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Percona Server 5.5.50-38.0

Percona is glad to announce the release of Percona Server 5.5.50-38.0 on July 8th, 2016. Downloads are available here and from the Percona Software Repositories.

Based on MySQL 5.5.50, including all the bug fixes in it, Percona Server 5.5.50-38.0 is now the current stable release in the 5.5 series. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.5.50-38.0 milestone at Launchpad.

New Features

Percona Server has implemented protocol support for TLS 1.1 and TLS 1.2. This implementation turns off TLS v1.0 support by default.

Bugs Fixed

Querying the GLOBAL_TEMPORARY_TABLES table would cause server crash if temporary table owning threads would execute new queries. Bug fixed #1581949.

The innodb_log_block_size feature attempted to diagnose the situation where the logs have been created with a log block value that differs from the current innodb_log_block_size setting. But this diagnostics came too late, and a misleading error No valid checkpoints found was produced first, aborting the startup. Bug fixed #1155156.

AddressSanitizer build with LeakSanitizer enabled was failing at gen_lex_hash invocation. Bug fixed #1580993 (upstream #80014).

ssl.cmake file was broken when custom OpenSSL build was used. Bug fixed #1582639 (upstream #61619).

mysqlbinlog did not free the existing connection before opening a new remote one. Bug fixed #1587840 (upstream #81675).

Fixed memory leaks in mysqltest. Bugs fixed #1582718 and #1588318.

Fixed memory leaks in mysqlcheck. Bug fixed #1582741.

Fixed memory leak in mysqlbinlog. Bug fixed #1582761 (upstream #78223).

Fixed memory leaks in mysqldump. Bug fixed #1587873 and #1588845 (upstream #81714).

Fixed memory leak in innochecksum. Bug fixed #1587873.

Fixed memory leak in non-existing defaults file handling. Bug fixed #1588344.

Fixed memory leak in mysqlslap. Bug fixed #1587873.

Other bugs fixed: #1588169, #1588386, #1529885, #1587757, #1587426 (upstream, #81657), #1587527, #1588650, and #1589819.

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