In macOS Sequoia 15.5, Apple has enhanced the notification system, making it more reliable and efficient. The latest macOS update has added support for Declarative Web Push. If you are wondering what the Safari Declative Web Push is in macOS Sequoia 15.5 and how it works, this short piece is for you. That said, let me break it down for you.
More Privacy-Focused Way to Deliver Web-Based Push Notifications
To put it straight, the Declative Web Push is a more efficient and privacy-focused way to deliver web-based push notifications. What makes it so impressive is the ability to deliver alerts even when the website is not actively open.
Traditionally, websites rely on service workers running JavaScript in the background to handle push notifications. While functional, this method can be energy-draining and vulnerable to network issues or browser restrictions, especially if the site hasn’t been visited recently. With Declarative Web Push, Apple changes that.
Makes Use of the Standardized JSON format
Instead of relying on JavaScript or persistent service workers, Declarative Web Push uses a standardized JSON format. This allows Safari to directly interpret and display the notification content without executing additional code. The result? Less power consumption, fewer background processes, and a simpler experience for developers.
Nothing Changes Visually, But It Helps Improve Battery Life
From a user perspective, nothing changes visually — notifications still appear as expected. But under the hood, this shift means better battery performance and improved reliability. Declarative Web Push is also more resilient against anti-tracking features that might otherwise block standard web push on inactive websites.
Another advantage is compatibility. Declarative Web Push is designed to work even on browser engines that haven’t yet implemented full support, making it a flexible solution for the web ecosystem. Developers simply need to implement the feature — users don’t have to opt in or configure anything.
Available on iPhone/iPad and Also Supports macOS Sonoma and Ventura
Apple initially introduced Declarative Web Push on iPhone and iPad with iOS 18.4 and iPadOS 18.4, and now it’s available on the Mac as part of macOS Sequoia 15.5. However, Safari 18.5 also supports this feature on macOS 14 Sonoma and macOS 13 Ventura, ensuring broader device coverage.
In summary, Safari’s Web Push update in macOS 15.5 brings a quieter, more battery-efficient, and privacy-friendly notification system that benefits both developers and users — all while keeping the user experience seamless and responsive.
