CoreyTisdale wrote:
Is there a way to see which system extensions are deprecated, or a way to search system extensions by developer? Simply getting an alert with the name of the developer does not help determine what functionality is deprecated.
To get a good look at your System config. for system extensions, conflicts or issues, you can download/run this trusted utility http://etrecheck.com
If you need help interpreting the report you can post it here in its entirety in the "Additional Text" box in the editing toolbar below, in your reply.

You can set its preference to "Allow full Disk Access", with this you get a digest of issues from the last 7 days that are saved in your system.