Hello MelodyMan,
The behaviour you’re after is still there. The following applies to, sound and midi sequence events on the tracks timeline, as well as midi notes in editors:
Shift + click + drag
Disables quantize snap.
Click + drag + Alt
Constrains an event to its timed position (the function you want).
Alt + click + drag
Adjusts the length of events.
… holding Ctrl after you begin these drag operations
Creates an alias copy of selected events.
… double tap + hold Ctrl once you start these drag operations
Creates an unique copy of selected events