Chrome 127 Release Schedule

FEATURES PLANNED IN THIS RELEASE:

Deprecated

• Deprecate Mutation Events
• Deprecate old CSS custom state syntax
• Restrict “private network requests” for subresources from public websites to secure contexts.

Enabled by default

• Attribution Reporting API Feature (Aggregate Debug Reporting)
• Automatic Fullscreen Content Setting
• CSS font-size-adjust
• CSS font-size-adjust: two-value syntax
• Document picture-in-picture: propagate user activation
• Importmap integrity
• Keyboard-focusable scroll containers
• Multi-argument alt text in CSS Generated Content
• No-Vary-Search Hint for Prerender Speculation Rules
• No-Vary-Search support for prerender
• Support Video Chapter in MediaMetadata
• WebGPU: GPUAdapter info attribute
• WebRTC encoded transform – Modify Metadata functions

In developer trial (Behind a flag)

• CSS ruby-align property
• document.caretPositionFromPoint API
• Line-breakable ruby

Origin trial

• Call stacks in crash reports from unresponsive web pages
• Compression dictionary transport with Shared Brotli and Shared Zstandard
• Deprecate Third-Party Cookies
• Keyboard-focusable scroll containers
• Partitioning Storage, Service Workers, and Communication APIs