v2.5.9

Also available on Flathub.

What's Changed

• View on rwfc by @patchzyy in #496
• fix: Allow wayland;xcb rather than only xcb in QT_QPA_PLATFORM by @matellush in #506
• feat: Support detecting Flatpak extensions by @matellush in #505

Full Changelog: v2.5.8...v2.5.9