Reading all the options at the end this was the one that worked
) Launch terminal app
) run the following command to list your Java Versions: /usr/libexec/java_home -V
) From the output, the one that is causing the issue is:
"Oracle Corporation" - "Java" /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home"; You'll need to remove this
) To remove, type in the following command: sudo rm -rf "/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/"
)This workflow worked for me. I am running sql developer 20.4 on Mac OS Big Sur