I am running on 12.1, but it breaks when a dialog is opened. As said before, it blinks and the IDE is stuck.
This is also happening to all Netbeans-based programs: Oracle Modeller for instance.
I have tried with all the JDKs I could find:
AdoptOpenJDK versions 8, 11, and 15 (either using OpenJFX and J9).
Amazon Correto versions 8 and 15.
OpenJDK version 8, 14 and 15.
Zulu JDKFX 8 and 15.
Same problem running on all of them.
Help !!!!
jfarjona
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For all that have issues with Java Netbeans-based UI applications (esp. Netbeans, Oracle Data Modeller, etc).
Change "Prefer Tabs" option to Never, and all will work with Big Sur.
Settings -> General -> Prefer tabs: never
Save and restart Netbeans.