NATS Version History & Compatibility

Welcome to the NATS version history guide. This reference matrix outlines the evolution of NATS releases, tracking PHP compatibility, database support milestones, distribution methods, and the specific Git/CVS targets associated with each release.

If you have any questions about your current NATS version or its compatibility, please submit a support ticket before making any changes.

NATS Version	PHP Compatibility	PHP-Specific Release Tags (if applicable)	Distribution	MySQL Compatibility
5.1.2.7	PHP 7.1.x – 8.2.x		Git	MySQL 5.7.8 – 8.4.3
5.1.1.4	PHP 7.1.x – 8.2.x		Git	MySQL 5.7.8 – 8.0.32
5.1.1.1	PHP 7.1.x – 8.1.x		Git	MySQL 5.7.8 – 8.0.32
5.0.4.4	PHP 7.1.x – 8.1.x		Git	MySQL 5.1 – 8.0.32
5.0.4.1	PHP 7.4.x – 8.1.x PHP 7.1.x – 7.4.x	REL_NATS_5_0_4_1_PHP8 REL_NATS_5_0_4_1_PHP7	Git	MySQL 5.1 – 8.0.32
5.0.3.1	PHP 5.6.x – 7.4.x	REL_NATS_5_0_3_1	Git	MySQL 5.1 – 5.7
5.0.2.7	PHP 5.6.x – 7.3.x PHP 5.5.x – 5.6.x	REL_NATS_5_0_2_7 REL_NATS_5_0_2_7_PHP55	Git	MySQL 5.1 – 5.7
5.0.0.1	PHP 5.6.x – 7.3.x PHP 5.5.x – 5.6.x	REL_NATS_5_0_0_1 REL_NATS_5_0_0_1_PHP55	Git	MySQL 5.1 – 5.7
4.1.22.2	PHP 5.6.x – 7.3.x PHP 5.3.x – 5.6.x	REL_NATS_4_1_22_2 REL_NATS_4_1_22_2_PHP53	Git	MySQL 5.1 – 5.7
4.1.22.1	PHP 5.6.x – 7.3.x PHP 5.3.x – 5.6.x	REL_NATS_4_1_22_1 REL_NATS_4_1_22_1_PHP53	CVS	MySQL 5.1 – 5.7
4.1.21.1	PHP 5.3.x – 5.6.x	REL_NATS_4_1_21_1	CVS	MySQL 5.1 – 5.6
4.1.8.1	PHP 5.2.x	REL_NATS_4_1_8_1_OLD_ENCODING	CVS	MySQL 5.1 – 5.6