4.15.2

- appearance: Fix width of DPI spinbutton (Bug #16125)
- appearence: Sync theme, icon, font names to gsettings
- appearance: Fix list refresh on DnD (Fixes #213)
- appearance: Drop toolbar style setting (Bug #16665)
- display: Initial fractional scaling support (Fixes #162)
- display: Custom scale changes are display changes
- display: Improve layout in settings dialog
- display: Resize display widget according to scale
- display: Move scaling presets to glade
- display: Set minimum scale to 0.1
- display: Improve state machine for scaling option
- xfsettingsd: Correctly get current xrandr scale
- mime-settings: Rename dialog and icon to 'Default Applications'
- mime-settings: Fix window icon name
- mime-settings: Fix double free
- mime-helpers: Fix Nautilus icon name
- mime-helpers: Rename Thunar to thunar
- Rename Thunar to thunar in make and potfiles
- Expand desktop entry field codes
- keyboard-settings: Support libxfce4ui XfceTitledDialog new API
- keyboard: Show shortcuts with keycap class
- settings-manager: Ensure searchbox has initial focus (Bug #16890)
- settings-manager: Simplify redrawing of search results (Fixes #141)
- settings-manager: Hide filter entry in plugged dialogs
- Convert xfce4-compose-mail to Python
- Add dependency to Python3
- Use just binary name (instead of full path) as argument
- Don't crash when upowerd isnt present (bug #60)
- Always install shiny new icons
- Drop libxfce4ui 4.15.1 ifdefs
- Fix xfconf-related memory leaks
- Update .gitignore
- Fix typo
- Translation Updates:
  Bulgarian, Catalan, Chinese (China), Chinese (Hong Kong), Chinese
  (Taiwan), Croatian, Danish, Dutch, English (Canada), Estonian, Finnish,
  French, German, Hebrew, Hungarian, Indonesian, Italian, Japanese,
  Kazakh, Korean, Lithuanian, Norwegian Bokmål, Serbian, Swedish,
  Turkish