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MixEmergency 3.3.0 Public Beta

Hi everyone,

I’m releasing this as a public beta version to get feedback on any potential issues before it is released as the final version of MixEmergency 3.3.0. Please be aware that, while this has been thoroughly tested, it is still a beta version, and should be treated as such. I highly recommend that you keep a copy of MixEmergency 3.2.0 on your computer in case you need to revert to this.

If you notice any new issues with this version, please e-mail your feedback to, or add your comment to this discussion.

Also, please note that the minimum supported version of macOS is now version 10.10 (Yosemite).

The list of changes in this public beta of MixEmergency 3.3.0 are:

  • MixEmergency is now a 64-bit application.
  • HEVC (H.265) video playback is now available when using macOS 10.13 (High Sierra) or higher.
  • Added a new (and faster) 64-bit exporting system for MixEmergency recordings.
  • All previously released Effect and Transition plug-ins are now part of MixEmergency.
  • Added Gradient Overlay and Slide HV BE effects.
  • Increased the minimum supported version of macOS to 10.10.
  • Added support for the Hap Q Alpha format.
  • Updated NDI to version 3.8.
  • Added support for files streamed via Tidal and SoundCloud in Serato DJ Pro (note that these require the song to have been previously downloaded in order to read the beat grid and album art).
  • Fixed buffering issues which could cause frames to become temporarily stuck under certain conditions.
  • Fixed "out of memory" errors when exporting very long recordings.
  • Fixed a crash when pushing the Cancel button on the Export Relocate Files window.
  • Fixed authorisation issues with MixEmergency on certain hardware.
  • Fixed an issue where the output from NDI would be RGBA unless a limited frame rate was selected.
  • Fixed potential scaling/crashing issues when changing the Quality control of the Video Input Overlay.
  • New transition plug-ins are no longer enabled in the Random Transition List by default.

Download here:


  • I already have mixemergency 3.2.0 will it be updated or do i have to purchace this version

  • It's a free update for users who have purchased a MixEmergency 3 license.

  • Tested it out last night, It seemed to be taxing my system more, Serato would give me the red dot warning and when switching media in the media bank with a deck it would take about 15 seconds to even appear when it usually takes under a second.

  • What type of video do you have loaded in the Media Bank? Are they H.264 encoded?

  • yes they are h.264 at 720 on mid 2014 mac pro with 16 gb ram 2.2 i7. 3.2 is flawless. When i saw it was 64 bit i upped some of the settings then put them back and still was experiencing a less tighter integration that 3.3. ill double check after the weekend gigs and update.

  • Used for 4 hours last night at a gig. I dont have anything to report.

    Good job @Nick

    SDJ 2.1
    MBP 2017 4Gb Gpu
    Videos on 4tb external SSD
    High Sierra

  • @dj_marv That's great to hear :)

  • Lo probe en mi equipo retina 15 2013 high sierra . Lo unico que derrepente los waderform se congelan algunos segundos al cargar algun video las trasiciones nuevas estan fenomenales si ... influira que tenga mi biblioteca en lacie thunderbolt .. Pues probe por HDMI Y THUNDERBOLT LA SALIDA DE VIDEO y expiremente lo mismo

  • Updated to Mojave during the week. I will post findings if any. Home testing seems good. 2 gigs this weekend.

  • Mojave - Nothing to report as well.

  • Great! :)

  • So still no Mojave Support?

  • It should work fine on macOS Mojave.

  • exporting a mix starts okay then it hangs .... it has taken 6 hours to export a mix of 1 hour and then it hang on the first pass after 30 minutes...

  • Can you e-mail me your MixEmergency log file? You can find this at:


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