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Describe the bug

Issue: Screen brightness automatically changes when using dual Acer monitors on Mac mini (M4, latest macOS).

Details:

• Setup: Mac mini M4 + 2 Acer monitors.
• Problem: Brightness keeps adjusting automatically.
• Note: This issue does not occur when using an Acer + Dell monitor combination — only happens with Acer + Acer setup.

Model:

Steps to reproduce

It happens Automatically dont know how to produce

Expected behavior

it should be consistant to the bright ness level i set

Anything else?

No response

Environment Information (please complete the following information)

- macOS version:  15.6 (24G84)
- Mac model: Apple Mac Mini M4
- MonitorControl version:4.3.3
- Monitor(s): Acers
- Apple Silicon/M1 (yes or no): M4