EthanHuntington wrote:
Anyone have any insight in to whether I may notice a decrease in my MacBook's (2.4 GHz Intel Core i5/4GB RAM) performance after installing Catalina? Mojave is operating perfectly and I'm skeptical about pressing my luck understanding that my computer is starting to get up there in age.
If you are currently running 10.14.6 and are happy with the performance with your limited 4GB of RAM,
then you should notice no difference compared to 10.15.1
System requirements macOS 10.15 Catalina
macOS Catalina will run on all Macintosh computers that supported Mojave:[1]
MacBook: Early 2015 or newer
MacBook Air: Mid 2012 or newer
MacBook Pro: Mid 2012 or newer
Mac Mini: Late 2012 or newer
iMac: Late 2012 or newer
iMac Pro
Mac Pro: Late 2013 or newer; Mid 2010 or Mid 2012 if upgraded with a recommended Metal-capable GPU
macOS Catalina - Technical Specifications - Apple Support
https://support.apple.com › kb
—Also have a current backup plan in place before you upgrade your macOS—only in this way can you revert back to your previous macOS. Revert your Mac to a previous macOS version - Apple Support
—Also be aware 32-bit apps are no longer supported:
32-bit app compatibility with macOS High Sierra 10.13 ... - Apple Support
https://support.apple.com/en-us/HT208436