“Up to 1.5x speedier at running JavaScript and nearly 2x more responsive”: Testing conducted by Apple in September and October 2020 using JetStream 2 and Speedometer 2.0 performance benchmarks.
Performance will vary based on usage, system configuration, application workload, network connection, and other factors. Page load performance tested using snapshot versions of 10 popular websites under simulated network conditions with prerelease Safari 14.0.1 and Chrome v.121 on macOS. Tested with prerelease Safari 14.0.1, Chrome v.75, and Firefox v81.0.1 on macOS, as well as Chrome v.75, Microsoft Edge v86.0.622.38, and Firefox v81.0.1 on Windows Home, with WPA2 Wi-Fi network connection. Scores represent browsers that completed the test.
Performance compared to other browsers on Mac and PC using JetStream 2, MotionMark 1.1, and Speedometer 2.0 benchmarks and Windows 10 Home, version 2004, running in Boot Camp. Not all features are available on all devices.
Safari tested with HD 1080p content, Chrome and Firefox tested with HD 720p content, all on macOS. Battery life tested with display brightness set to 12 clicks from bottom or 75 percent. “World’s fastest browser,” “industry-leading battery life,” and “loads frequently visited sites an average of 50 percent faster than Chrome”: Testing conducted by Apple in October 2020 on production 1.4GHz quad-core Intel Core i5-based 13-inch MacBook Pro systems with 8GB RAM, 256GB SSD, and prerelease macOS Big Sur.Some features may not be available for all regions, or on all Apple devices. Fixes an issue where the Reduced Motion Accessibility preference did not reduce the speed of animations in a FaceTime group call.Resolves a stability issue when transferring large amounts of data to RAID volumes.Fixes a stability issue with uploading and downloading media files from iCloud Photo Library while your Mac is asleep.
Fixes an issue that may prevent Reminders from sending notifications for recurring reminders.This update also includes bug fixes and other improvements. Controls to fine-tune the built-in calibration of your Pro Display XDR by adjusting the white point and luminance for a precise match to your own display calibration target.Option to control automatic prominence on Group FaceTime calls so video tiles do not change size when a participant speaksĬalibration Fine-Tuning for Pro Display XDR.Option to disable battery health management.Energy Saver preference pane now displays battery condition and recommends if the battery needs to be serviced.Battery health management to help maximize battery lifespan for Mac notebooks.The update also improves the stability, reliability, and security of your Mac. MacOS Catalina 10.15.5 introduces battery health management in the Energy Saver settings for notebooks, an option to control automatic prominence of video tiles on Group FaceTime calls, and controls to fine-tune the built-in calibration of your Pro Display XDR.