-Fixed issue: Unable to run integrity check on databases with a big number of surveys (Carsten Schmitz)
-Fixed issue: High memory usage when exporting participants (Carsten Schmitz)
-Fixed issue: Error when calculating quartiles on encrypted question (Carsten Schmitz)
-Fixed issue #CT-44: Exporting survey participants exceeds PHP memory limit (Patrick Teichmann)
-Fixed issue #18662: Update DB from 491 break on home page (#2953) (Denis Chenu)
-Fixed issue #18658: Upload file question type not accepting certain file names (#2952) (Gabriel Jenik)
-Fixed issue #18655: Unnoticed data loss if field in response table it missing (#2946) (Gabriel Jenik)
-Fixed issue #18407: On-page conditions not working when pre-filling question with equation on the same page (#2921) (Denis Chenu)
#Updated translation: Valencian by vbraque
#Updated translation: Russian by vipgroup
#Updated translation: Portuguese (Portugal) by samarta
#Updated translation: Japanese by d_inoue
#Updated translation: German (Informal) by c_schmitz
#Updated translation: German (Easy) by p_teichmann
#Updated translation: Dutch by Han
#Updated translation: Dutch (Informal) by Han
#Updated translation: Basque by c_schmitz