DBLE 2.19.05.0 Release Notes: New Features, Bug Fixes, and Upgrade Compatibility
The DBLE 2.19.05.0 release introduces seven new features—including MySQL 8.0 support and enhanced stored‑procedure hints—optimizes connection defaults, adds configurable templates, and resolves 36 bugs, while maintaining full compatibility with previous versions, and is available via the project's GitHub releases page.
DBLE (MyCat Plus) is an enterprise‑grade open‑source distributed middleware for MySQL, known for its simplicity, stability, and active community support.
Version 2.19.05.0 was released, adding seven new features and fixing 36 defects. The release follows the previous 2.19.03.0 version and is available on GitHub.
New features include support for MySQL 8.0 (alpha), full support for stored‑procedure hints and custom alarm interfaces (alpha), optimized default maximum connection settings, and more convenient configuration templates.
Upgrade compatibility – the new version remains fully compatible with all existing functionality.
Key feature items :
Change the default max size of frontend connection for each user #1218
Support MySQL8.0's default authentication plugin 'caching_sha2_password' #1134
Split Origin Merge to Merge And MERGE_AND_ORDER for Explain Plan #1139
Optimize global sequence generated by distributed timestamp #1138
Improve DBLE's config template #1078
More meaningful error messages during concurrent DDL #1105
Support stored procedure when connection enables multiple statements
Define alarm interface for developers to customize
Bug fixes (selected):
Error with Alibaba Cloud SLB load balancing #1172
Unknown pStmtId error when closing prepared statements #1236
Backend connections closed on executing 'log @@limit=0,5000' #1220
Network interrupt before XA commit causing lingering transaction lock #1084
Load data issues with null columns #1047
SQLJob may finish more than once #1231
FetchStoreNodeOfChildTableHandler can cause server connection hang & leak #1180
Global sequence errors with distributed timestamps #1153
Thread‑safety problems in multi‑node queries #1147
For the full list of changes and detailed documentation, refer to the official DBLE GitHub repository and release page.
Aikesheng Open Source Community
The Aikesheng Open Source Community provides stable, enterprise‑grade MySQL open‑source tools and services, releases a premium open‑source component each year (1024), and continuously operates and maintains them.
How this landed with the community
Was this worth your time?
0 Comments
Thoughtful readers leave field notes, pushback, and hard-won operational detail here.