Tabbed web apps

Category: Miscellaneous
Type: New or changed feature
Status: Origin trial (Chrome 126)
Intent stage: Start prototyping

Summary

Allow web app windows to have a tab strip. This adds a new display mode "tabbed" and a new manifest field to allow customizations to the tab strip.

Motivation

Currently PWAs in a standalone window can only have one page open at a time. Some apps expect users to have many pages open at once. Tabbed mode adds a tab strip to standalone web apps that allows multiple tabs to be open at once.

Standards & signals

Specification: https://wicg.github.io/manifest-incubations/#dfn-tabbed
Firefox: Defer
Safari: No signal
Web developers: Positive
Tracking bug: https://issuetracker.google.com/issues/40598974

Samples: https://paint-rightful-patch.glitch.me

Explainers: https://github.com/WICG/manifest-incubations/blob/gh-pages/tabbed-mode-explainer.md

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