ANNOUNCE: thunar 4.21.4 released

[Alexander Schwinn]

thunar 4.21.4 is now available for download from
  
  https://archive.xfce.org/src/xfce/thunar/4.21/thunar-4.21.4.tar.xz
  https://archive.xfce.org/src/xfce/thunar/4.21/thunar-4.21.4.tar.xz?sha1
  https://archive.xfce.org/src/xfce/thunar/4.21/thunar-4.21.4.tar.xz?sha256


What is thunar?
===============

Thunar is a modern file manager for the Xfce Desktop Environment. It has
been designed from the ground up to be fast and easy-to-use. Its user
interface is clean and intuitive, and does not include any confusing or
useless options. Thunar is fast and responsive with a good start up time
and directory load time. Thunar is accessible using Assistive
Technologies and is fully standards compliant.

Website: 
  https://docs.xfce.org/xfce/thunar/start


Release notes for 4.21.4
========================
[Please note that this is a development release.]

Development release on the master branch. Changelog:

New Features and Enhancements:
- Allow to properly merge directories (#1273)(#1762)
- Preload preview images of neightb. files (#1267)
- ListView: Ellipsize in middle (#1765)

Bugfixes:
- Prevent crash on unmount (#1778)
- Fix 'delete' for folders (#1378)
- Notify thumbnail cache for delete
- Fix GtkTreePath leaks in thunar_details_view_key_press_event
- Fix string leaks and typos in drop-descendant-files code
- Expandable folders: fix multiselect with keyboard (#1500)
- Fix tab-switch on new tab (#1764)
- Show 'queued' message only for queued jobs (#1755)
- Prevent crash on non-local symlinks (#1757)
- Fix symlink resolve for desktop files (#1757)
- Fix move/delete when selected files contain other files (#1749)
- Cache the "smart sort" preference (#1744)
- Make build with terminal optional (#1735)

Maintenance:
- Properly initialize struct (#1778)
- Rename *_ask_replace to *_ask_for_action
- Untrash: Fix warning
- TransferJob: Reduce filesystem io
- TransferJob: Refactoring
- TransferJob: Simplification
- Simplify trash/delete logic (#1761)
- Prevent "set but not used" build warning
- Fix g_object_unref warning
- Add unit tests for "thunar_g_file_resolve_symlink" (#1757)
- Do not use 'g_log_set_always_fatal'

Translation Updates:
  Albanian, Arabic, Asturian, Basque, Belarusian, Bulgarian, Catalan,
  Chinese (China), Chinese (Taiwan), Czech, Danish, Dutch, English
  (United Kingdom), Estonian, Finnish, French, Galician, Georgian,
  German, Greek, Hebrew, Hungarian, Indonesian, Interlingue, Italian,
  Japanese, Kazakh, Malay, Norwegian Bokmål, Occitan (post 1500),
  Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Serbian,
  Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Uyghur, Venetian,
  Vietnamese