What's Changed
- Fix memory leak when mqtt_yield_thread exits problem and delete unuse… by @Yangyuanxin in #59
 - 修复subscribe的因为没对齐引起的死机问题 by @xqyjlj in #63
 - Add CodeQL Workflow for Code Security Analysis by @b4yuan in #91
 - fix: fix memory leak during network disconnect by @wuhaogs in #82
 - Multiple fixes and improvements in mqtt client source by @ajaybhargav in #97
 - fix:fixed crash issues when the illegal topic is received by @maikebing in #117
 - fix:fixed crash issues when the illegal topic is received by @wuhaogs in #101
 
New Contributors
- @Yangyuanxin made their first contribution in #59
 - @xqyjlj made their first contribution in #63
 - @b4yuan made their first contribution in #91
 - @wuhaogs made their first contribution in #82
 - @ajaybhargav made their first contribution in #97
 - @maikebing made their first contribution in #117
 
Full Changelog: v1.2.0...v2.0.0