Fresher service workers, by default
HTTP requests that check for updates to the service worker script will no longer be fulfilled by the HTTP cache by default. This works around a common developer pain point, in which setting an inadvertent Cache-Control header on your service worker script could lead to delayed updates. Also, updates to imported scripts can trigger the service worker update flow.
progressive-web-apps serviceworker chrome68
More native echo cancellation!
A new Origin Trial is run in Chrome M68, which adds support for more native echo cancellers, as well as a constraint to control them.
Audio Worklet Design Pattern
Advanced design patterns to unlock Audio Worklet's fullest power with WebAssembly and SharedArrayBuffer.
Deprecations and removals in Chrome 68
A round up of the deprecations and removals in Chrome 68 to help you plan.
deprecations removals chrome68
Changes to Add to Home Screen Behavior
Starting in Chrome 68 on Android, the Add to Home Screen behavior is changing to give you more control over when and how to prompt the user. If your site meets the add to home screen criteria, Chrome will no longer automatically show the add to home screen banner. Instead, you'll need to call prompt() on the saved beforeinstallprompt event to show the add to home screen dialog prompt to your users
