1.4.5
-----
* Improved code for building translations.

1.4.4
-----
* Improved deployment.
* FIXED: Very wide window when played for first time.
* Translation updates: Portuguese.

1.4.3
-----
* Replaced deprecated code.
* Translation updates: Portuguese.

1.4.2
-----
* Added portable mode.
* Improved Linux deployment.
* Replaced deprecated code.

1.4.1
-----
* Switched to Qt 6.
* Translation updates: Dutch, Telugu.

1.4.0
-----
* Added difficulty ratings.
* Added getting hints.
* Added optional automatic pencil marks.
* Added playing puzzles entered by player.
* Added printing puzzles.
* Added restarting puzzles.
* Added support for Qt 6.
* Improved new game interface.
* Improved window spacing.
* Refactored code.
* Removed XPM icon.
* Translation updates: Bulgarian, Lithuanian, Romanian, Russian, Telugu.

1.3.9
-----
* FIXED: Did not load locales with underscores.
* Improved Windows deployment.
* Replaced deprecated code.

1.3.8
-----
* FIXED: Window icon didn't work in Wayland.
* Improved loading locales.
* Improved Windows deployment.
* Replaced deprecated code.

1.3.7
-----
* FIXED: Automatic high DPI support.

1.3.6
-----
* Replaced deprecated code.
* Extra warnings only shown in debug build.
* Improved Linux deployment.
* Improved macOS deployment.
* Improved Windows deployment.
* Translation updates: Chinese, Chinese (Taiwan), Italian, Portuguese.

1.3.5
-----
* FIXED: Could not compile with Qt 5.10.

1.3.4
-----
* FIXED: Did not always install translations in Linux.
* Translation updates: Chinese (Taiwan).

1.3.3
-----
* Generate binary translations at build time.
* FIXED: Was not properly loading Qt translations.
* FIXED: Compiler warned about signed interger overflow.
* Translation updates: Dutch, Lithuanian.

1.3.2
-----
* FIXED: Switching keys was slow.
* FIXED: Moving focus betweens cells was slow.
* FIXED: Success message was not high DPI.
* Translation updates: Bulgarian, Catalan, German, Greek, Polish,
  Portuguese, Spanish.

1.3.1
-----
* FIXED: Application layout did not respect RTL languages.
* FIXED: All new games used the same seed in Windows.
* Translation updates: Lithuanian.

1.3.0
-----
* Added support for high DPI displays.
* Switched to C++11 random classes.
* Removed support for Qt 4.
* Translation updates: Bulgarian, Czech, German, Greek, French, Lithuanian,
  Malay, Polish, Romanian, Spanish (Chile), Turkish.

1.2.3
-----
* Added support for Qt 5.
* Translation updates: Hungarian, Romanian.

1.2.2
-----
* Highlights text when all cells are found
* Highlights column and row of current cell
* New program icon
* Translation updates: Catalan, French, Greek, Russian, Spanish,
  Spanish (Chile), Ukranian.

1.2.1
-----
* Translation updates: Czech.

1.2.0
-----
* Added multiple types of symmetry.
* Added an easier solving algorithm.
* Added a widescreen layout.

1.1.0
-----
* Added support for undo and redo.
* Added support for highlighting current number.
* Added number entry buttons.
* Added selectable givens.
