- Update to 4.3.0:
* Compose window: when the focus is in the message text, copied files
can be pasted as attachments using /Edit/paste or Ctrl+V.
(The context menu's Paste will still insert the list of files into
the message body.)
* '/Mark/Mark all read in folder' and 'Mark/Mark all unread in
folder' have been re-added to the Message List context menu.
* It is now possible to use '/Tools/Remove references' when
forwarding mail.
* Keyboard shortcuts: The "Choose preset keyboard shortcuts" selector
has been integrated into the main preferences page.
When 'Current' is the selected preset, Apply/OK will keep the
existing settings.
* An MBOX file can now be imported from the command line using
`claws-mail --import-mbox %f` where %f is the full path to the
MBOX file.
* OAUTH2 support for Microsoft 365 GCC High has been added.
* LiteHTML Viewer plugin: Updated to LiteHTML 0.9.
* The menurc file is now backed-up on startup.
* Removed support for the obsolete Avant Window Navigator.
* Various code cleanups.
* The manual has been updated.
* New translation: Albanian.
* Updated translations: Catalan, Czech, French, Hungarian, Indonesian,
Polish, Romanian, Slovak, Spanish, Swedish, Turkish.
* bug 4668, 'Sometimes, at program start, message list takes
all the vertical space'
* bug 4720, 'matcher: release regex_t in
matcherprop_string_match'
* bug 4724, 'set proper availability status to sign/encrypt