> For the complete documentation index, see [llms.txt](https://docs.mixeffect.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mixeffect.app/support/version-history/version-1.2.1.md).

# Version 1.2.1

Here are the new features, improvements, changes, and bug fixes in MixEffect 1.2.1, dubbed the OSC Action Extravaganza Release:

{% embed url="<https://youtu.be/wOnxW25drBI>" %}
OSC Action Extravaganza
{% endembed %}

## OSC

Over 110 new OSC commands give you fine control of your ATEM switcher from Companion and a Stream Deck.

* Aux/Output Source
* Color Generators
* DSK Auto
* DSK Inputs
* DSK Key
* DSK Key Clip Adjust
* DSK Key Clip Gain
* DSK Key Gain Adjust
* DSK Key Invert
* DSK Key Pre Multiplied
* DSK Mask
* DSK Mask Adjust
* DSK Mask Enable
* DSK On Air
* DSK Rate
* DSK Tie
* Fade to Black
* Fade to Black Rate
* Fairlight Audio Frame Delay
* Fairlight Audio Set Input Gain
* Fairlight Reset Peaks
* Fairlight Reset Source Peaks
* Fairlight Set Fader Gain
* Fairlight Set Input Mix Option
* Macro Continue
* Macro Loop
* Macro Stop
* Multiviewer Change Window Source
* Recording Set Filename
* Recording Start or Stop
* Recording Switch Disk
* Set Preview Input
* Set Program Input
* Startup State Clear
* Startup State Save
* Stream Set Service
* Stream Start or Stop
* SuperSource Art Border
* SuperSource Art Border Enable
* SuperSource Art Key
* SuperSource Art Key Clip Adjust
* SuperSource Art Key Clip Gain
* SuperSource Art Key Gain Adjust
* SuperSource Art Key Invert
* SuperSource Art Key Pre Multiplied
* SuperSource Art Place In
* SuperSource Box Enabled
* SuperSource Set Art
* Transition Change Rate
* Transition Dip Source
* Transition DVE Flip Flop
* Transition DVE Inputs
* Transition DVE Key
* Transition DVE Key Clip Adjust
* Transition DVE Key Clip Gain
* Transition DVE Key Gain Adjust
* Transition DVE Key Enable
* Transition DVE Key Invert
* Transition DVE Key Pre Multiplied
* Transition DVE Reverse
* Transition DVE Style
* Transition Next
* Transition Preview
* Transition Set Dip
* Transition Set DVE
* Transition Set Mix
* Transition Set Style
* Transition Set Wipe
* Transition Wipe Border
* Transition Wipe FlipFlop
* Transition Wipe Pattern
* Transition Wipe Position
* Transition Wipe Reverse
* Transition Wipe Source
* Transition Wipe Symmetry
* USK Chroma
* USK Chroma Advanced
* USK Chroma Advanced Sample
* USK DVE Border
* USK DVE Border Enabled
* USK DVE Mask
* USK DVE Mask Adjust
* USK DVE Mask Enable
* USK DVE Position
* USK DVE Position Adjust
* USK DVE Rotation
* USK DVE Shadow
* USK DVE Shadow Enabled
* USK DVE Size
* USK DVE Size Adjust
* USK DVE Size Position
* USK DVE Size Position Rotation
* USK Flying Key Enable
* USK Flying Key Keyframe
* USK Flying Key Rate
* USK Inputs
* USK Luma
* USK Luma Key
* USK Luma Key Clip Adjust
* USK Luma Key Clip Gain
* USK Luma Key Gain Adjust
* USK Luma Key Invert
* USK Luma Key Pre Multiplied
* USK Mask
* USK Mask Adjust
* USK Mask Enable
* USK On Air
* USK Pattern
* USK Pattern Invert
* USK Pattern Position
* USK Pattern Size
* USK Pattern Size Symmetry Softness Position
* USK Pattern Softness
* USK Pattern Style
* USK Pattern Symmetry
* USK Run Flying Key
* USK Style

## SuperSource

* Duplicating a preset will display the Edit Preset sheet.

## Shortcuts

* Set Multiview Layout and Set Multiview Layout (Advanced) actions updated so no error will appear if the Set Layout toggle is disabled.
* Upload Still action update removed unused Media Player Index parameter.

## User Interface

* Video Source IDs are displayed in the All tab of the Switcher Settings > Source Labels screen.
* Address various iOS 15 interface differences over iOS 14.

## Bug Fixes

* The DSK Set All Settings button will now set the current state of the Tie and On Air status for the selected DSK.
* The USK Set All Settings button will now set the Background, Key, and On Air status for the selected USK.
* Resolved slowdown when going in and out of Split View / Slide Over while the View All Presets Grid page or the SuperSource Switcher Panel is visible.
* Pickers on macOS should now work properly.