4.21.5

- Popup menu at tab label on keybord activated
- Add keyboard support for context menu on terminal
- Add keyboard support for history menu on back and forward buttons
- Add keyboard support for context menu on toolbar
- Popup menu on tree view item for keyboard activated
- Popup menu at focused widget on keyboard activated
- Disable overlay scrolling by default (#367)
- Wrap long filenames in error dialogs (#1412)
- Limit filname length for create/rename (#1812)
- Add fallback for backdrop highlight color
- Properties dialog - add separator for fs data
- Show filesystem type in preferences
- At tooltips to 'Capacity' and 'Usage' (#1806)
- Show as well 'usable' size in 'Capacity' row (#1806)
- Differ between total and usable fs space (#1806)
- Add help text for URL arguments
- Call xfconf_shutdown before exit
- Store pending column size changes on close (#1318)
- Use GtkTreeModelFilter for tree view side pane (#1460)
- Tree-view pane: Fix wrong selection on open new window
- Prevent shortcuts view focus lost (#1675)
- Add 'grab_focus' parameter to 'set directory' calls (#1675)
- Expose drag-drop-mode in preferences
- Init media_fs_uuids on startup
- Never ask twice on replace/overwrite (#1794)
- Fix translations for XML file (#1790)
- Improve statusbar loading text (#1787)
- Detect CDROM media changes using ID_FD_UUID udev property
- Add %d to strings to fix some transl. (#939)
- Pass current dir to catfish (#1785)
- Ignore G_IO_ERROR_NOT_SUPPORTED (#1782)
- Show selection busy information on statusbar (#1780)
- Translation Updates:
  Albanian, Arabic, Armenian, Armenian (Armenia), Asturian, Basque,
  Belarusian, Bengali, Bulgarian, Catalan, Chinese (China), Chinese
  (Hong Kong), Chinese (Taiwan), Czech, Danish, Dutch, Eastern
  Armenian, English (Australia), English (United Kingdom), Esperanto,
  Estonian, Finnish, French, Galician, Georgian, German, Greek, Hebrew,
  Hungarian, Icelandic, Indonesian, Interlingue, Italian, Japanese,
  Kazakh, Latvian, Malay, Norwegian Bokmål, Norwegian Nynorsk, Occitan
  (post 1500), Persian (Iran), Polish, Portuguese, Portuguese (Brazil),
  Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish,
  Thai, Turkish, Uyghur, Venetian, Vietnamese