Fixes
- Fixed empty new source page (#936) - thanks @mpozhidaeva
- Fixed AD import issues (#946) - thanks @mpozhidaeva
- Fixed age of observation chart with negative ages (#941) - thanks @mpozhidaeva
- Fixed cohort generation duration format (#955) - thanks @mpozhidaeva
- Fixed frozen modal backdrop after page navigation (#1039) - thanks @pavgra @wivern
- Restrict deletion of sources with top-priority daimons into 2.5.2 (#1038) - thanks @pavgra
- Fixes for performance of cohort export to 2.5.2 (#1038) - thanks @vantonov1 @pavgra
- Fixed link to cohort definition generated by UI (#1047) - thanks @pavgra @wivern
- Added browser check bar on top of the window into 2.5.2 (#1147) - thanks @aklochkova @pavgra
- Fixed multiple count requests (#1198) - thanks @johnSamilin @pavgra
- Added proper sorting for tables datetime columns (#1264) - thanks @johnSamilin @pavgra