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QLab Pro 4.5


Qlab create media sequences for live shows icon
Name QLab Pro 4.5 TNT
Size 21.75 MB
Created on 2019-09-10 15:28:28
Hash 5013ae4c73f01a2afabdccd1bc6cc32230ec60b3
Files QLab Pro 4.5 TNT (21.75 MB)

Descriptions for QLab Pro 4.5

Everything you need to put on a great show.
QLab 4 combines powerful audio, video, and lighting control in one elegant package. With an all-new Light cue, a major upgrade to QLab Remote for iOS, and over 40 new features, this is the best version of QLab we’ve ever made.


Light Cues

We’re happy to announce: QLab does lights now.
Whether you’re a seasoned lighting professional or completely new to lights, we’ve worked hard to make designing your lights simple, powerful, and fun.

Cue Carts

You can now build cue carts and cue lists side-by-side, from a single button to a grid of 64. Any basic cue can be added to a cart, making it a friendly control surface for anything you can build in QLab.

Record Cue Sequences

Teach QLab by example.
In QLab 4 you can run through your cues manually, and let QLab record the timing of the triggers.

Fancy Paste

Like copy-and-paste, but way cooler.
Save hours of time with Fancy Paste! Selectively paste properties from one or more cues onto other cues in your workspace.

Additionally, you can now batch-edit the Basic, Trigger, and Light Level properties directly in the inspector.

Cue Templates

Customize exactly how new cues are created.
Plus, the new ability to pick a default workspace template on launch means it’s easy to jump straight into designing any new project.

New Trigger Options

In addition to QLab’s traditional array of powerful cue triggers, QLab 4 offers the option to:

  • Fade and stop other cues when a cue starts. (You can set a customizable fade time, and choose whether this affects just the cue’s peers, the cue list, or all other cues in every cue list.)
  • Duck or boost the volume of other cues while a cue is running.
  • Set “Second Trigger” actions, performed when a running cue is triggered a second time.
  • Perform “Trigger on Release” when releasing hotkeys, MIDI keys, or cue cart buttons.

New Workflow Tools

  • Import your Go Button shows into QLab.
  • Highlight “related” cues in the cue list (i.e. all cues related to the same target).
  • New negative post-wait times, to trigger the next cue “this many seconds before the current one ends”.
  • New red flash around the GO button if double-go protection is invoked.
  • New status window to show broken cues, warnings, Art-Net nodes, and logs for cue triggers, MIDI input, OSC input, & OSC replies.
  • New option to trigger a cue on workspace close, in addition to workspace open.
  • Enhanced input/output global overrides.
  • Up to 64 channels of audio output (up from 48).
  • New parametric fade curves, including support for equal power audio fades.
  • New editable durations for still image video cues and text cues.
  • New options to customize which workspace is opened on launch.
  • Fade your OSC messages over time, in 1D or 2D.
  • Inject live values from your workspace into outgoing OSC messages.
  • Customizable OSC reply format.
  • New OSC and AppleScript hooks all over the place.


OS X 10.10 or later 64-bit

What’s New in QLab Pro 4.5


  • A bug introduced in 4.4.0 when pasting multiple cues into a cue cart that could cause the new cues to be placed non-sequentially.
  • Integrated fades that are not locked to the start/end of Audio and Video cues are now displayed correctly in the Timeline tab.
  • You can now use the same Syphon source in multiple Camera cues.
  • Several issues when batch editing Wall Clock triggers in the “Triggers” inspector tab.
  • Batch editing the Camera cue “patch” value in the “Display & Geometry” inspector tab now updates all selected cues.
  • Scrubbing a still image Video cue with a duration in the active cues panel will now work.
  • Attempting to set an invalid cue color name via AppleScript or OSC no longer sets the cue color to grey.
  • A bug that could prevent update messages from being sent to QLab Remote after changes are made to the Light Dashboard in QLab.
  • Paste Cue Properties now properly clears out previous gang entries.
  • Fade Cue Templates now show tabs for Video Geometry and Video Effects.
  • Broadcast mode has been enabled for outgoing UDP messages.
  • Strikethrough formatting for Text cues is now visible during playback.
  • Text cue now uses the Text cue template to derive default font attributes.
  • Text cue font properties are no longer reset to the default format after using OSC or AppleScript to set the “live text” of that cue to an empty string.
  • The Fade cue inspector now shows the proper tabs when setting its target to a Video, Text, or Camera cue.
  • Full changelog available here.


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