Some snooping around in the new macOS Catalina 10.15.3 beta build has unearthed references to “Pro Mode,” which could be used to temporarily boost the performance of macOS systems such as the MacBook Pro.
The new mode can be toggled on and off by users, and suggests that it may be designed to boost performance of MacBooks, such as the new 16-inch MacBook Pro.
When toggled on, some strings state “Apps may run faster, but battery life may decrease and fan noise may increase.” Additionally, toggling on Pro Mode activates a string that reads “Fan speed limit overridden.”
Read more at AppleInsider.com