3.22.3: * Minor rendering improvements (bug #732776) * Add flatpak manifests for nightly builds * Drop use of deprecated GTK+ API (no dependency change) * Translations: ** be (Yuras Shumovich) ** ca (Jordi Mas) ** el (Tom Tryfonidis) ** gl (Fran Dieguez) ** lv (RÅ«dolfs Mazurs) ** ru (Yuri Myasoedov) ** uk (Daniel Korostil)