Bug fixes:
- Login/access control fix: fixed cookie Path issue that prevented login from working after page reload; fixed double form submission on Enter key
- LMDB race condition: fixed environment opening race issue with concurrent threads by removing support for threading in gunicorn config
- CSV export: fixed crashes when exporting time series, collocation, and aggregation reports to CSV (each report now has its own CSV formatter)
Features & improvements:
- Comparative collocation UI rework wtih side-by-side layout showing primary subcorpus and comparison subcorpus fields together
- Custom query patterns with support for user-defined query patterns
- Added Spanish translation (thanks Jose!)
Full Changelog: v5.2.1.1...v5.2.2.0