


You can still use the software but you need to go to the Systems and Privacy pane in the System Preferences, form there you get the option to open the application anyway, it should be remembered so you only have to do this once.Īpple have been warning for several years now that all support for 32-bit apps would end, Apple has a page describing the reasons for moving to 64-bit. Beginning in macOS 10.15, notarization is required by default for all software.

Zsh is highly compatible with the Bourne shell (sh) and mostly compatible with bash, with some differences. There is an Apple Support page giving details Zsh is the new default shell for new users (bash is the default shell in macOS Mojave and earlier), so if you are upgrading you may want to change your default shell to zsh. After upgrade you may find it moves items into a folder on your desktop called “Relocated Items,” in the Security folder. There are a number of changes to the security, in particular installation into the root folder is not allowed.

state of California in the Gulf of Santa Catalina.īy Thomas Pekin - Thomas Pekin, CC BY-SA 2.5Īpple has officially confirmed that the following Macs are compatible with Catalina: If you want an overview of Catalina I'd recommend the excellent ars-technical's review.Īccording to Wikipedia Santa Catalina is a rocky island off the coast of the U.S.
