v0.91.4

mermaid-js/mermaidv0.91.4Jul 27, 2026by github-actions[bot]

AI Summary

This release contains stability and database optimization fixes, including improvements to memtable rotation and logic to prevent unnecessary schema modifications for account columns.

Key Highlights

Fixed memtable rotation
Optimized logic to skip account column widening if already VARCHAR(128)
Database stability improvements

Full Release Notes

📦 Download Binaries from https://openobserve.ai/downloads

## What's Changed
* fix: memtable rotate by @hengfeiyang in https://github.com/openobserve/openobserve/pull/13423
* fix: skip account column widen when already VARCHAR(128) by @hengfeiyang in https://github.com/openobserve/openobserve/pull/13469


**Full Changelog**: https://github.com/openobserve/openobserve/compare/v0.91.3...v0.91.4