Just move your mouse on the "i" next to latest version and you'll see the Release notes :
https://www.arturia.com/modular-v/resourcesHere are the list of bug fixes :
You can now patch a cable in VCA2 alone without audio glitches
Mixer modulation now works properly
Oscillator 6 consistently produces sound
No more feedback instabilities
Oscillator sine frequency is now properly updated
Panic Button now works consistently
Cutoff is now smooth when driven with Midi Controller
No more GUI issues in BitWig