develop
OIDC: Allow to use nickname as username #782
Frontend: Add offline maps
PWA: Add full-bleed touch icon variants and refresh icon set #5737
PWA: Add maskable icons, lang/dir, and install screenshots #5696
Frontend: Improve browser capabilities check #5047
i18n: Improved Right-to-Left (RTL) Language Layout
Videos: Update "not found" placeholder 404.mp4