Extensions that are not compatible
My Mac has informed me that an extension has been downloaded that is not compatible with my future Imac and Iphone updates. What should I do?
iMac 21.5″, macOS 10.15
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As long as you run Catalina, you do nothing outside of inquiring of your apps' developers if they have made the changes needed.
Apple apparently have offered a workaround if you upgrade to Big Sur and have a needed app whose developer has been remiss in reacting to change notices Apple sent to developers over a year ago. See:
