NEWS from gtranslator 51.0 (2026-09-16):
- Add keybindings to navigate between plural forms
- Port profile configuration file to GKeyFile
- Remove direct dependency on libxml2
- Do not warn with alert dialog on untranslated strings
- Fix undo and redo actions
- Hide empty rows in the sidebar
- Display previous source test on fuzzy strings
- Code cleanups
- Plug some memory leaks
- Appdata file renamed to metainfo
- Update some translations