fromArs Technica
1 week agomacOS Tahoe 26.3.1 update will "upgrade" your M5's CPU to new "super" cores
On the M1 through the M4 (and on the MacBook Neo's A18 Pro, a relative of the M4 family), performance cores will stay performance cores, and efficiency cores will stay efficiency cores. The macOS 26.3.1 update is also required to support Apple's new Studio Displays.
Apple