Canon FINALLY takes the handcuffs off third-party lenses – but are restrictions still in play?

The Canon logo, with a broken handcuff as the letter "C".

It's about bloody time. 

As an RF user since the original Canon EOS R launched, back in 2018, this is the day I've been waiting for: Canon has taken the shackles off third-party manufacturers producing autofocus RF lenses. And, in doing so, it has taken the shackles off the RF mount as a whole.