V.0.9.2 Beta

• Added the ability to open the currently selected image in the system's default image viewing application by pressing or double-clicking.
• On macOS, you may also display a QuickLook window by pressing the spacebar.
• Removed the usage of walrus operator to make it compatible with Python3.7+.

Beta 2

• Added the ability to choose a different GUI (ttk) theme.
• Added a new button to restore all the default settings.
• Fixed an error that prevented the application to launch on Windows/Linux.

Beta 1

v0.9beta

preparing for PyPI; packaging and stuff