LEGACY SYSTEN EXTENSIONS
How do I know what software is or will be incompatible?
Click the "Learn More..." button.
"Legacy system extensions and the apps that rely on them continue to work today. But now is a good time to contact the developer to learn whether an updated version of their software is available or planned. The developer can also explain how to remove or disable the extension, and the consequences of doing so."
Here is a recent Discussion regarding that subject: Likely Incompatible extensions
