Apple recently released macOS Catalina 10.15.3 to developers and 9to5Mac has spotted references to a new “Pro Mode.”
According to the report the mode can be turned on and off by users at will, with some strings mentioning “Apps may run faster, but battery life may decrease and fan noise may increase” and “Fan speed limit overridden” when the Pro Mode is activated.
It sounds like the strings relate to power management, with some settings applied temporarily to allow portable Macs to be more performant regardless of its impact on battery life.
As these strings are directly related to the macOS power management system, we think that it will be possible to temporarily improve the machine’s performance by ignoring some restrictions to save energy. The internal fans will run at a higher speed with Pro Mode, probably to avoid thermal throttling issues. Similar to Do Not Disturb, Pro Mode is supposed to be automatically disabled by the next day.
It isn’t clear where Pro Mode will be available, but the report notes that it only appears to have been built for portable Macs. That makes tons of sense given battery constraints that would normally hold portable Macs back, whereas that isn’t something desktop Macs like the iMac, iMac Pro, Mac Pro, and Mac mini need to worry about.
We’ll no doubt learn more about Pro Mode as these betas progress and it will presumably also be available to everyone once it ships. Anyone who needs as much power from their Macs will surely be looking forward to that happening.
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