Dialogs (e.g. authentication prompts, payments, filepickers) require proper context for users to make decisions. Fullscreen, by definition is immersive, and removes the context that a user needs to make a decision. Therefore, whenever a page causes a dialog to be shown, that page will lose any HTML5 fullscreen that it has entered.
Status in Chromium
Enabled by default (tracking bug) in:
- Chrome for desktop release 70
Consensus & Standardization
- No signals
Last updated on 2020-11-09