51.alpha
========

Epic:
- Port to GTK 4 (Corey Berla)

UI changes:
- Support auto dark theme for text (Corey Berla)
- Improve audio, error and fallback renderers (Peter Eisenmann, Tau Gärtli, Nokse)
- Allow to fullscreen independent of file type (Peter Eisenmann)
- Animate window size changes (Nokse)
- Keep window size unchanged once scaled by user (Peter Eisenmann)
- Use at most a quarter of the current screen (Peter Eisenmann)
- Show images at their real size (Tau Gärtli)
- Use flat headerbars for some file types (Nokse)
- Rework toolbar overlays (Nokse)
- Modernize media controls with Gtk.MediaControls (Nokse)
- Support custom icons (Tau Gärtli)
- Balance headerbar buttons (Peter Eisenmann)
- Correct window sizing (Tau Gärtli, Peter Eisenmann)

Known regressions:
- LibreOffice documents are rendered into PDFs, as the previous method is not compatible with GTK4

Backend changes:
- Adopt GtkPicture and GtkVideo (Corey Berla)
- Port Evince to Papers (Corey Berla, Tau Gärtli)
- Use libadwaita (Nokse, Corey Berla)
- Replace GdkPixbuf with Glycin (Tau Gärtli)
- Add metadata discoverer (Corey Berla)
- Port to ES Modules (Tau Gärtli)
- Use Blueprint (Peter Eisenmann, Tau Gärtli)
- Add CI checks for meson, Blueprint and potfiles (Tau Gärtli)
- Add editorconfig (Tau Gärtli)
- Use fribidi for text direction (Peter Eisenmann)
- Document how to run Sushi (Tau Gärtli)
- Various code cleanups and simplifications (Corey Berla, Peter Eisenmann, Tau Gärtli)
- Stop renderer when window is closed (Tau Gärtli)

Translations:
- Add Lao translation (Saikeo Kavhanxay)
- Translation updates (GNOME Translation Project contributors)