The default GTK link handler does not work on Windows and Mac

Fixes #9453

The package has been fixed in the mingw repos

- Use parse_datetime()
- Improve tzo node validation

André authored 6 years ago and Philipp Hörist committed 6 years ago

The added account causes an issue with test_gui_interface,
so the account needs to be removed again

Remove checking for font_scale, Gtk.TextIter.get_attributes() seems buggy at
the moment, and we dont need to check the current scale to apply a new scale

Fixes #9067

data is now a str

Otherwise we have to guess the encoding of the host system

This is a regression from e281fb68

Fixes #9440

Andrey Gursky authored 6 years ago and Philipp Hörist committed 6 years ago

Fixes #9427

When a relative custom config path is passed via commandline, the logic
which decides if a plugin can be deleted from the plugin manager fails

This reduces problems with old plugins without max version

This excludes other unix systems which was not intended

Its listed as dependency

sys.platform == 'linux' excludeds other unix systems, for example FreeBSD

Its a standard library which will be always available in our builds

Code is also not cross-platform compatible

- sys.platform == 'linux', excludes many other unix systems
- use shutil.which() to test if a command is available

André authored 6 years ago and Philipp Hörist committed 6 years ago

Requires flatpak 1.0 or newer

Fixes #9438