removing sys version info check feature something new P2 considered for next cycle

@gvwilson

make moving-point-on-a-curve faster community community contribution feature something new P2 considered for next cycle

@LiamConnors

Drop notebook 6 feature something new P1 needed for current cycle

@marthacryan

Remove old content documentation written for humans feature something new P1 needed for current cycle

@LiamConnors

Cleanup of widget code feature something new P1 needed for current cycle

@marthacryan

Merge recent docs changes back to main documentation written for humans feature something new P1 needed for current cycle

@LiamConnors

Fix named colors support community community contribution feature something new P2 considered for next cycle