QLab 4.5.2 Release Notes
Performance improvements when playing back H.264 encoded video files on some hardware configurations.
A bug that could cause QLab to quit unexpectedly when logging in to manage licenses.
A bug that could cause QLab to quit unexpectedly when stopping a cue (or reaching the end of a cue) on which audio effects were being faded.
Changing the number of a Light cue used as a submaster will no longer break any MIDI controls assigned to that submaster in the light settings.
Light cues set to collate previous light commands will now work properly when submasters are active.
An issue in the Network cue inspector where the content of the text editor could be cleared when switching focus between windows.