DisplayLink Manager 16.2.39: long-running heap growth in `DisplayLinkUserAgent` and `

apidego · Today, 12:30 AM

While we wait for an official fix, I’ve put together a small macOS helper. It checks DisplayLinkPrivilegedHelper’s memory usage every 15 minutes and restarts that helper if it reaches 750 MiB. No Mac reboot is needed. It hasn’t interrupted my displays, but other setups may briefly disconnect. Setup requires administrator authentication.

Source code and instructions:
https://github.com/Florian-Cullmann/displaylink-guard

Hope this helps!

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Today, 12:30 AM	#6
apidego Junior Member Join Date: Nov 2026 Posts: 1	While we wait for an official fix, I’ve put together a small macOS helper. It checks DisplayLinkPrivilegedHelper’s memory usage every 15 minutes and restarts that helper if it reaches 750 MiB. No Mac reboot is needed. It hasn’t interrupted my displays, but other setups may briefly disconnect. Setup requires administrator authentication. Source code and instructions: https://github.com/Florian-Cullmann/displaylink-guard Hope this helps!