Apple today released Safari Technology Preview 240, introducing bug fixes and performance enhancements across CSS, Editing, Forms, HTML, Media, PDF, Rendering, SVG, Scrolling, Web API, Web Extensions, Web Inspector, and WebAssembly. This update targets developers and power users testing features slated for future Safari versions.

The browser, compatible with macOS Sequoia and macOS Tahoe, is accessible via Software Update in System Preferences without requiring a developer account. Apple emphasized streamlining the testing process, allowing users to run the preview alongside the stable Safari browser. Detailed release notes are available on Apple’s developer portal, highlighting improvements in WebAssembly and rendering pipelines.

By prioritizing stability and iterative feedback, Apple aims to refine upcoming Safari features before public release. The update underscores the company’s commitment to collaborative development, balancing innovation with reliability. Early adopters can expect smoother performance and fewer crashes in experimental builds.

This release aligns with Apple’s broader strategy to engage developers in shaping Safari’s evolution. With WebAssembly optimizations and expanded extension compatibility, the preview sets the stage for future web standards. Users and developers alike benefit from a more transparent, responsive testing environment.