Apple Releases Safari Technology Preview 196 – Brings Bug Fixes and Performance Improvements

Apple has released Safari Technology Preview 196, the latest version of their developer preview web browser. The preview version of Apple’s popular browser offers developers and other interested users the ability to try out features that may or may not, debut in future public release versions of Safari.

Safari Technology Preview‌ 196 includes fixes and updates for Canvas, CSS, JavaScript, Web API, Web Inspector, WebGL, and WebRTC.

The current ‌Safari Technology Preview‌ release is compatible with machines running macOS Ventura and macOS Sonoma.

Overview

Safari Technology Preview Release 196 is now available for download for macOS Sonoma and macOS Ventura. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update.

This release includes WebKit changes between: 278844@main…279360@main.

Canvas

Resolved Issues

• Fixed toggling the visibility on a canvas parent undoing the effect of clearRect(). (279302@main) (128226178)
• Fixed the Canvas drawImage() API to throw an exception when the image is in broken state. (279319@main) (128588063)

CSS

Resolved Issues

• Fixed incorrect inline element size when using font-variant-caps: all-small-caps with font-synthesis. (279183@main) (121314557)

JavaScript

Resolved Issues

• Fixed RegEx lookbehinds differing from v8. (278863@main) (127440248)

Web API

New Features

• Added support for bytes() to Blob and PushMessageData. (279263@main) (128418858)

Web Inspector

New Features

• Added support for fuzzy search code completion in the CSS source editor. (2791444@main) (125030691)

Resolved Issues

• Fixed console code completion to be case-insensitive. (279195@main) (124544458)

WebGL

Resolved Issues

• Fixed compiling shaders without variables that are arrays and start with underscore. (278880@main) (126944294)

WebRTC

Resolved Issues

• Fixed a delay in getUserMedia promise resolution. (278851@main) (128112002)

While the preview is intended for use by developers and advanced users, to provide Apple with feedback on the development of the Safari browser, it can be run side-by-side with the release version of Safari. The app doesn’t require a developer account to download and install. For more information, visit the Safari Technology Preview website.