v4.50

This release adds the following new features:

• Add 'Modern Dark' theme Part1
  and Part2.
  Thanks to jghaanstra, helioguardabaxo and xet7.

and fixes the following bugs:

• Fix edit description to require only one click.
  Thanks to uusijani and xet7.

Thanks to above GitHub users for their contributions and translators for their translations.