Specification

https://github.com/w3c/window-management/pull/170

Explainer

https://github.com/w3c/window-management/blob/main/EXPLAINER_always_on_top.md

Links

• The WG's request for this TAG review: https://github.com/w3c/window-management/issues/10
• TAG review of the previous version of this specification, if any: https://github.com/w3ctag/design-reviews/issues/602 (also https://github.com/w3ctag/design-reviews/issues/767, https://github.com/w3ctag/design-reviews/issues/840, https://github.com/w3ctag/design-reviews/issues/1246)
• A description of what has changed since our previous review: https://github.com/w3c/window-management/pull/170

Feature 1: Creating Always-On-Top Windows

• Previous early design review, if any: N/A
• An introduction to the feature, aimed at unfamiliar audiences: https://github.com/w3c/window-management/blob/main/EXPLAINER_always_on_top.md#1-introduction--abstract
• A description of the problems that end-users were facing before this proposal: https://github.com/w3c/window-management/blob/main/EXPLAINER_always_on_top.md#2-use-cases--user-motivation
• Alternatives considered: https://github.com/w3c/window-management/blob/main/EXPLAINER_always_on_top.md#6-alternatives-considered
• Examples of how to use the proposal to solve the end-users' problems: https://github.com/w3c/window-management/blob/main/EXPLAINER_always_on_top.md#4-feature--permission-detection
• What do the end-users experience with this proposal: https://github.com/w3c/window-management/blob/main/EXPLAINER_always_on_top.md#3-proposed-api
• User research you did to validate the problem and/or design, if any: N/A
• Web Platform Tests: In progress (will be added under https://wpt.fyi/results/window-management)
• Security/Privacy Questionnaire: https://github.com/w3c/window-management/blob/main/security_and_privacy_always_on_top.md (in flight at https://github.com/w3c/window-management/pull/169 / https://github.com/steimelchrome/window-management/blob/explainer-followup-and-security-questionnaire/security_and_privacy_always_on_top.md)

The specification

• Follows the Web Platform Design Principles.
• Includes Security and Privacy Considerations sections based on answers to the Security/Privacy Questionnaire.

Where and by whom is the work is being done?

• GitHub repo: https://github.com/w3c/window-management
• Primary contacts:
  • Tommy Steimel (@steimelchrome), Google, Author
  • Mike Wasserman (@michaelwasserman), Google, Editor
• Organization/project driving the specification: Google Chrome team
• This work is being funded by: Google
• Primary standards group developing this feature: Second Screen Working Group
• Incubation and standards groups that have discussed the design:
  • Second Screen WG - https://github.com/w3c/window-management/issues/10, https://github.com/w3c/window-management/pull/163

Feedback so far

• Active horizontal reviews:
• Multi-stakeholder feedback:
  • Chromium comments: Prototyping behind chrome://flags/#window-open-always-on-top (Intent to Prototype: https://groups.google.com/a/chromium.org/g/blink-dev/c/1hrQn7ACjhI)
  • Mozilla comments:
    • Creating Always-On-Top Windows - https://github.com/mozilla/standards-positions/issues/1478
    • Window Management (host spec) - https://github.com/mozilla/standards-positions/issues/542
  • WebKit comments:
    • Creating Always-On-Top Windows - https://github.com/WebKit/standards-positions/issues/737
    • Window Management (host spec) - https://github.com/WebKit/standards-positions/issues/117
• Major unresolved issues with or opposition to this specification: None
• Status/issue trackers for implementations:
  • ChromeStatus: https://chromestatus.com/feature/5200904761507840
  • Chromium tracking bug: https://crbug.com/546631275

You should also know that...

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