- Reorganized strings.xml files to enable translations via Weblate (https://hosted.weblate.org/projects/mental-math/)
- Added Bengali translation contributed by Mahir Daiyan. Thank you! :)
- Added Hungarian translation reviewed by Dóry. Thank you! :)
- Added Serbian translation reviewed by Svetislav. Thank you! :)
- Added Croatian translation reviewed by Ana. Thank you! :)
- Redesigned the problem overview again to reduce confusion.
- Improved the problem overview for problems that span multiple lines.
- Added tooltips for the status icons in the problem overview.