macOS Sequoia 15.5 has officially launched, marking the latest update to Apple’s operating system for Mac users. This release is expected to be the final one before the anticipated unveiling of macOS 16, which is set to take place at WWDC next month.

With macOS Sequoia 15.5, Apple introduces several noteworthy improvements, including upgrades to the Mail app and new functionality for the Screen Time feature. In addition to these, the update includes important security enhancements, ensuring a smoother and safer experience for users.
Key Takeaways
- macOS Sequoia 15.5 is the last update before macOS 16.
- New features include Mail improvements and Screen Time updates.
- Security updates enhance system protection.
macOS 15.5 introduces Mail updates and a new Screen Time improvement with security fixes

Recommended Mac accessories
Accessory | Features |
---|---|
100W USB-C Power Adapter | Delivers fast and efficient charging for MacBook devices. |
Protective Sleeve Bag by Tomtoc | Cushioned design ensures protection for laptops while traveling. |
Nordik Leather Desk Mat | Includes a built-in cable organizer for a tidier workspace. |
Twelve South Aluminum Stand | Elevates the MacBook while enhancing ventilation and comfort. |
Anker USB-C Docking Station | Offers diverse ports like Ethernet, SD card slots, and HDMI. |
These accessories provide utility and style, enhancing the overall Mac experience.
Frequently Asked Questions

What new features stand out in macOS Sequoia 15.5?
The latest update introduces enhancements to key apps and systems. Mail now includes categorization tools that help organize messages effectively. Photos gains the ability to create Memory movies using advanced Apple Intelligence. Additionally, a new Sketch Style in Image Playground allows users to explore creative options.
How do users install macOS Sequoia 15.5 on their devices?
To update, users need to access System Preferences and select Software Update. If the update is available, they can click Install Now and follow the on-screen instructions. It’s recommended to back up your data using Time Machine before proceeding with the installation.
Will older Mac models support macOS Sequoia 15.5?
MacOS 15.5 is compatible with most devices that could run previous versions of Sequoia. However, certain legacy models may not meet system requirements. To check compatibility, visit Apple’s official site or access details through the Software Update tool on your Mac.
Are there security updates included in macOS Sequoia 15.5?

Apple has integrated critical security patches in this release, addressing vulnerabilities to improve device protection. These updates enhance encryption standards and reduce risks for apps and services used regularly.
What changes have been made to macOS Sequoia 15.5 for better performance?
This version introduces adjustments to ensure smoother performance across Macs. Bug fixes have resolved common issues, while stability has been strengthened for demanding programs and multitasking workflows.
Are there updates to the design or usability in macOS Sequoia 15.5?
Design changes are minimal, focusing more on usability improvements. New tweaks refine the Screen Time tool, providing clearer notifications, and adjustments in interface responsiveness make interactions feel faster and more intuitive than before.