[ver0n]

Originally Posted by lspintzyk

Great!

You need to follow the article:
https://support.displaylink.com/know...lay-is-working

tl.dr
1. Uninstall DisplayLink driver first
2. go to recovery mode
3. invoke kextcache command as described in that article.

At first the new beta driver did not work, but after doing the kextcache, now 5.2.1 beta works

Thanks you