Summary: `features` parameter of `window.open` [1] has been able to control the visibility of each UI parts separately, only on Firefox and IE. To align with other modern browsers, and to avoid confusing behavior with UI customization and session restore, UI parts related items of `features` parameter are changed to just a condition whether to open a new standard-popup or a new tab.
Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1507375 Standard: This is browser-dependent behavior about the UI. See https://arai-a.github.io/window-open-features/ Platform coverage: All Preference: None DevTools bug: None Target Release: 76 Other browsers: This almost matches to Google Chrome and Safari (except the conditions details). See https://arai-a.github.io/window-open-features/ Tests: covered by mochitest, toolkit/components/windowwatcher/* and browser/base/content/test/popups/browser_popupUI.js and some more Restricted to secure contexts: No, all non-chrome-priv `window.open` call is changed Is this feature enabled by default in sandboxed iframes? Yes [1] https://developer.mozilla.org/en-US/docs/Web/API/Window/open#Window_features <https://developer.mozilla.org/en-US/docs/Web/API/Window/open#Window_features> -- arai _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform