The Photos app has improved editing capabilities, as well as an improved Retouch tool.Notes now has a collapsible pinned section, quick text style and formatting options and scanning enhancements.New features for the Mac App Store, these include a privacy information section, a new category for Safari extensions and third-party Notification Center widgets.

A new Messages app that has the ability to pin up to nine conversations, search for messages, name and photo sharing, use photo logos for group chat, mention individuals, support for inline replies, support for Memoji stickers, a new photo editor and localized message effects for users that live in India.

Several new features in Safari, these include a customizable start page, built-in translation, and a Privacy Report feature to let users know what trackers each webpage is using, as well as page previews and an ability to import passwords from Google Chrome.

A new 'Listen Now' feature in the Podcasts app.

Improved predictive input for Chinese and Japanese language users.

The new startup sound is lower-pitched, with a mono version for pre-T2 Macs, and a stereo variant for T2 Macs.

Return of the startup sound, can be toggled via an option in System Preferences (2016 and above Macs).

Software updates can now be done in the background.

Cryptographically signed system volume.

Support for iOS and iPadOS apps on Apple Silicon (Apple SoC) hardware.

The Notification Center has been redesigned, now featuring interactive notifications and a new Widget system.

The Control Center from iOS has been added.

It now utilizes the APFS file system introduced in macOS High Sierra instead of the legacy HFS+ file system.

The Time Machine backup feature has been overhauled.

It is also now the default search system in Safari, Pages and Keynote.

The interface of Spotlight has been refined.

The design of the default wallpaper has been redesigned to be more in line with the default wallpaper design of iOS.The design of the Dock was overhauled as well. The new icons also include more shading and highlights to give them a 3D appearance. The design of most of the built-in apps have been redesigned and streamlined and their icons received a major overhaul in appearance to resemble their icons in iOS and iPadOS. It incoporates translucency in various places such as the menu bar and the dock. The user interface has been completely redesigned.

Mac os latest version big sur