QLab 4.2.1 Release Notes
Blackmagic video output now works again.
You can again drag slices to change them in a Video cue’s waveform.
Fade cues targeting a Group can once again fade the geometry of Video, Camera, and Text cues inside the group.
An issue that resulted in excessive memory usage by workspaces with Video cues targeting still images.
The Audio Device Routing in the audio patch editor window will again display the correct crosspoint levels. (The levels were correct, but not displayed correctly.)
A bug that could prevent cues from playing to the audition window in some cases.
A bug that could prevent cues from playing when triggered by a start cue in some cases.
An issue with displaying the correct Video cue inspector tabs when multiple cues are selected.
An issue with displaying the correct Fade cue inspector tabs when changing cues.