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Safari 15.2 Release Notes

Released December 13, 2021 — Version 15.2 (17612.3.6)

Overview

Safari 15.2 ships with iOS and iPadOS 15.2 and macOS 12.1.

General

Resolved Issues

  • Fixed opening local HTML or WebArchive files from the Desktop, Documents, or Downloads folder.

  • Fixed broken XHR with a requestType of document for large HTML files.

  • Fixed WebGL using an incorrect power context compared to the requested power context.

Web API

New Features

  • Added support for the File System Access API for creating and iterating files in an origin-specific storage space.

  • Added Origin Private File System extension support for the File System Access API, allowing developers to read and write files in the origin-specific storage space.

Web Extensions

Resolved Issues

  • Fixed an issue where browser.storage.sync entries were saved into the browser.storage.local storage area. If you’re unable to locate sync storage entries, check the local storage area and perform a one-time migration to the sync storage area.

WebAssembly

New Features

  • Expanded addressable memory to 4 GB.

  • Added zero-cost exception handling.

Rendering

New Features

  • Added wide gamut support for canvas.

Private Click Measurement

New Features

  • Added support for using Private Click Measurement for in-app direct response advertising with SFSafariViewController.

Security

New Features

  • Added support for COOP and COEP HTTP headers.

  • Re-enabled SharedArrayBuffer for sites that use COOP and COEP securely to create an isolated environment.

Media

Resolved Issues

  • Fixed microphone switching during FaceTime calls for Safari on macOS.

  • Fixed audio cutting off and AudioContext.currentTime drifting when connected to a Bluetooth speaker.

See Also

Version 15