I genuinely can't remember every single thing that was added, but here's a small list:

• Package manager added
• Updater fixed
• Switched from config.json to config.ini
• Added ability to be installed cross-platform
• Added some packaged linux versions
• Added documentation on making plugins
• Unified functions into core.py
• Added triggers that happen on certain events
• Added settings menu
• Many, many more features

Lots of new features, too many to list. (Also I don't remember everything that was added)

Adds a new command to find the greatest common factor of two numbers. (Turns out Python already has this, this will be removed in a future release.)