Hi!
Some are already requested by others but here’s mine 
- Spectrum Analyzer in EQ
- Something like Audio Warp or Melodyne
- User created folders in the imported audio samples/midis
- Mix and Sidechain in compressor
- Multiband Compression
- Deesser
- Presets in the FX
- Group Channel
- Tempo and Signature Change mid song
- Track Lock