Features
Here's a list of all documented (and sometimes undocumented) features that I can remember:
- [Full list of events]
- Editing Recipes
- Editing Tags
- Adding New Items
- Adding New Blocks
- Default Options
- Changing Window Title and Icon
- Changing Mod Display Names
- Loading Assets and Data
- Modify Items
- Modify Blocks
- Adding Fluids
- Worldgen
- Chat event
- Block placement event
- Item right-click event
- And a bunch more that I forgot...