From SIP to a protected read-only System volume, macOS 11 takes system protection a big step further with cryptographic verification.
kernel extension
Many vital apps rely on installing kernel extensions, which may be tricky or seem impossible in Catalina. Here are some strategies to solve problems.
Why third-party kernel extensions may have problems working in Catalina, and whether those KEXTs will become SEXTs.
Important updates if you’re running Catalina, as they add the KEXT blocker back into their checks.
Confused as to whether Catalina will let you run that quarantined app? Here it is diagrammed.
What to expect from the many changes to security and privacy in the first release of Catalina. How to run non-notarized apps, and more.
App compatibility with Catalina is different: although some may be slightly incompatible, many apps simply don’t run at all. How can you tell which are OK?
With a shiny new high-speed Samsung X5 SSD to test, I was looking forward to some real speed. Did it deliver good value for its high price, though?
System Integrity Protection can get in your way, and may be recommended to solve compatibility problems. It’s also changing again in Catalina.
The two biggest changes in Catalina are loss of 32-bit software and the requirement for notarization – which also affects Mojave. All is explained.
