What's Changed

• remove the outdated examples folder by @DrmagicE in https://github.com/DrmagicE/gmqtt/pull/143
• revise readme by @DrmagicE in https://github.com/DrmagicE/gmqtt/pull/144
• Fix: infinite recursive call by @sp0cket in https://github.com/DrmagicE/gmqtt/pull/149
• fix: fix validation issue in admin plugin by @DrmagicE in https://github.com/DrmagicE/gmqtt/pull/152
• add with retained store by @Fiekers in https://github.com/DrmagicE/gmqtt/pull/159
• chore: warn log on conn lost by @dxps in https://github.com/DrmagicE/gmqtt/pull/170
• update project state by @DrmagicE in https://github.com/DrmagicE/gmqtt/pull/175
• fix the blocking when reading websocket packets exceeding 1024 bytes by @Fiekers in https://github.com/DrmagicE/gmqtt/pull/181
• Correcting that binary data cannot be received under cluster status by @charliexp in https://github.com/DrmagicE/gmqtt/pull/185
• fix read/write loop may hang in some situation. by @DrmagicE in https://github.com/DrmagicE/gmqtt/pull/186

New Contributors

• @sp0cket made their first contribution in https://github.com/DrmagicE/gmqtt/pull/149
• @Fiekers made their first contribution in https://github.com/DrmagicE/gmqtt/pull/159
• @dxps made their first contribution in https://github.com/DrmagicE/gmqtt/pull/170
• @charliexp made their first contribution in https://github.com/DrmagicE/gmqtt/pull/185

Full Changelog: https://github.com/DrmagicE/gmqtt/compare/v0.4.1...v0.4.2

Bugfix

Fix client hanging issue in federation mode. https://github.com/DrmagicE/gmqtt/issues/131

Feature

1. Add v3.1 MQTT protocol support. https://github.com/DrmagicE/gmqtt/issues/99
2. Migrate from Travis CI to Github Actions. https://github.com/DrmagicE/gmqtt/issues/100

Change

1. Increase default max_keepalive from 60s to 300s.
2. Disable reload command.

Bugfix

1. Fix ”empty password“ validation error in auth plugin. https://github.com/DrmagicE/gmqtt/issues/101
2. Fix auth plugin file replace issue in windows system.
3. Remove duplicate logs under the case of session taken over. https://github.com/DrmagicE/gmqtt/issues/106
4. Fix error in the redis persistence. https://github.com/DrmagicE/gmqtt/pull/118

1. Add expiry time for unacked inflight messages.
2. Fix retained message matching bug.
3. Lower the size of TCP read/write buffer and packet read/write channel to reduce memory usage.

1. Fix prometheus metric type.
2. Fix max packet size validation.

Add federation plugin.

feat: add dump_packet option to log config fix: memory leak with server.willMessage https://github.com/DrmagicE/gmqtt/pull/53

• feat: add simple username/password auth plugin #39
• feat: add GRPCGatewayRegister interface #38
• Add 'gmqctl' CLI tool and plugin code generator. #36

add log format

Add support for MQTT 5