Release 1.2.0 (RC3)

What's Changed

• Switched the MacOS packaging to .dmg instead of .zip
• Remade the dark theme to be less blue.
• Extracted reusable modules.
• Rewrote the file manager system.
• Refactored popups and the updater
• Refactored the language system into lookup dictionarires.
• Removed obsolete modules

Full Changelog: 1.2.0-rc2...1.2.0-rc3