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[GH-ISSUE #257] Application will not open with macOS Big Sur Beta 20A4299v #199

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opened 2026-05-05 05:23:07 -06:00 by gitea-mirror · 9 comments

gitea-mirror commented

2026-05-05 05:23:07 -06:00

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Originally created by @edmfperez on GitHub (Jul 11, 2020).
Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/257

Checklist

I have searched for existing issues
I have looked through the wiki
I have updated MonitorControl to the latest version

Describe the bug
The application will no open in Big Sur. Could not find any relevant similar issues when searching. Hopefully it'll work in the future.

To Reproduce
Steps to reproduce the behavior:

Download .dmg
Move .app to /Applications/
Use open -a MonitorControl.app within terminal

Expected behavior
I expected the .app to at least open, lol.

Screenshots
n/a
Additional context
n/a

Environment Information (please complete the following information):

macOS version: 20A4299v
MonitorControl version: 2.00
Monitor(s): BenQ EW2780U

Originally created by @edmfperez on GitHub (Jul 11, 2020). Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/257 **Checklist**  - [x] I have searched for existing issues - [x] I have looked through [the wiki](https://github.com/MonitorControl/MonitorControl/wiki) - [x] I have updated MonitorControl to the latest version **Describe the bug** The application will no open in Big Sur. Could not find any relevant similar issues when searching. Hopefully it'll work in the future. **To Reproduce** Steps to reproduce the behavior: 1. Download .dmg 2. Move .app to /Applications/ 3. Use `open -a MonitorControl.app` within terminal **Expected behavior** I expected the .app to at least open, lol. **Screenshots** n/a **Additional context** n/a **Environment Information (please complete the following information):** - macOS version: 20A4299v - MonitorControl version: 2.00 - Monitor(s): BenQ EW2780U

gitea-mirror

2026-05-05 05:23:07 -06:00

closed this issue
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gitea-mirror commented

2026-05-05 05:23:12 -06:00

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@JoniVR commented on GitHub (Jul 11, 2020):

I have not tried Big Sur myself. Did you get a crash report trying to open it?

@JoniVR commented on GitHub (Jul 11, 2020): I have not tried Big Sur myself. Did you get a crash report trying to open it?

gitea-mirror commented

2026-05-05 05:23:14 -06:00

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@waydabber commented on GitHub (Jul 11, 2020):

Hey I am using Big Sur since Dev Beta1 and Monitorcontrol works fine for me. I have upgraded from Catalina though and the app was carried over from the Catalina installation.

@waydabber commented on GitHub (Jul 11, 2020): Hey I am using Big Sur since Dev Beta1 and Monitorcontrol works fine for me. I have upgraded from Catalina though and the app was carried over from the Catalina installation. <img width="338" alt="Screen Shot 2020-07-11 at 10 37 08" src="https://user-images.githubusercontent.com/37590873/87220248-85f72780-c362-11ea-9f3e-8b04fa35de49.png">

gitea-mirror commented

2026-05-05 05:23:15 -06:00

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@edmfperez commented on GitHub (Jul 11, 2020):

Hmm, so I definitely did not carry over the install since I downloaded it through Big Sur. This could probably be it. My install of Big Sur is FUBAR at the moment so I could try a fresh Catalina and see it if carried over for me. Will report back with my findings.

@edmfperez commented on GitHub (Jul 11, 2020): Hmm, so I definitely did not carry over the install since I downloaded it through Big Sur. This could probably be it. My install of Big Sur is FUBAR at the moment so I could try a fresh Catalina and see it if carried over for me. Will report back with my findings.

gitea-mirror commented

2026-05-05 05:23:17 -06:00

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@quantumgolem commented on GitHub (Aug 3, 2020):

@waydabber what are the processor and double arrow icons you have there?

@quantumgolem commented on GitHub (Aug 3, 2020): @waydabber what are the processor and double arrow icons you have there?

gitea-mirror commented

2026-05-05 05:23:19 -06:00

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@waydabber commented on GitHub (Aug 3, 2020):

@sn0wyfall The processor icon is the standard MacOS icon for eGPUs. The double belong to the Mac Media Key Forwareder app.

@waydabber commented on GitHub (Aug 3, 2020): @sn0wyfall The processor icon is the standard MacOS icon for eGPUs. The double belong to the [Mac Media Key Forwareder](http://milgra.com/mac-media-key-forwarder.html) app.

gitea-mirror commented

2026-05-05 05:23:20 -06:00

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@quantumgolem commented on GitHub (Aug 4, 2020):

@waydabber That's awesome, thank you!

@quantumgolem commented on GitHub (Aug 4, 2020): @waydabber That's awesome, thank you!

gitea-mirror commented

2026-05-05 05:23:22 -06:00

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@JoniVR commented on GitHub (Sep 30, 2020):

How has Big Sur been for people who are running it? Any issues with MonitorControl? I'm thinking about upgrading myself soon.

@JoniVR commented on GitHub (Sep 30, 2020): How has Big Sur been for people who are running it? Any issues with MonitorControl? I'm thinking about upgrading myself soon.

gitea-mirror commented

2026-05-05 05:23:24 -06:00

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@waydabber commented on GitHub (Sep 30, 2020):

How has Big Sur been for people who are running it? Any issues with MonitorControl? I'm thinking about upgrading myself soon.

Works perfectly! I am using the latest dev beta.

@waydabber commented on GitHub (Sep 30, 2020): > How has Big Sur been for people who are running it? Any issues with MonitorControl? I'm thinking about upgrading myself soon. Works perfectly! I am using the latest dev beta.

gitea-mirror commented

2026-05-05 05:23:27 -06:00

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@JoniVR commented on GitHub (Oct 3, 2020):

Running Big Sur myself now, seems to work well too, I'll close this for now.

@JoniVR commented on GitHub (Oct 3, 2020): Running Big Sur myself now, seems to work well too, I'll close this for now.