MacOS 10.15.6

macOS 10.15.6 is an update to macOS 10.15 (Catalina), released on July 15, 2020 by Apple Inc. It's the last version of macOS to have the number 10 before it was moved to 11.

New features
This update adds the following features:

Apple News: This update also includes bug fixes and other improvements: Enterprise content: Some features may not be available for all regions, or on all Apple devices.
 * Local news in your Today feed provides extensive coverage of San Francisco, the Bay Area, Los Angeles, Houston, and New York City.
 * More stories available from local news providers with a subscription to Apple News+.
 * Your daily newsletter from Apple News can now be personalized with stories that reflect your interests.
 * Adds a new option to optimize video streaming on HDR-compatible Mac notebooks for improved battery life.
 * Fixes an issue where the computer name may change after installing a software update.
 * Resolves an issue where certain USB mouse and trackpads may lose connection.
 * When using the built-in keyboard with a non-U.S. keyboard layout on some Mac models, passwords with certain characters are no longer rejected at the Mac login window.
 * Allows command-line tools that don't use CFNetwork, such as, to continue connecting to TLS servers that use certificates issued by the recently expired AddTrust External CA Root.
 * Major new releases of macOS can be hidden when using the  command with the   flag, if the Mac is enrolled in Apple School Manager, Apple Business Manager, or a user-approved MDM. (This change also affects macOS Mojave and macOS High Sierra after installing Security Update 2020-004.)

Articles

 * Apple releases iOS 13.6, iPadOS 13.6, macOS 10.15.6, tvOS 13.4.8, watchOS 6.2.8 by Mike Peterson at AppleInsider (2020-07-15)