[w3ctag/design-reviews] Incubation: Filterable select (Issue #1264)

josepharhar created an issue (w3ctag/design-reviews#1264)

### Explainer

https://open-ui.org/components/filterable-select.explainer/

### The explainer

- [x] Includes the information requested by the [Explainer Explainer](https://w3ctag.github.io/explainer-explainer/#introduction).
- [x] Follows the [Web Platform Design Principles](https://www.w3.org/TR/design-principles/).
- [x] Includes or links to answers to the [Security/Privacy Questionnaire](https://www.w3.org/TR/security-privacy-questionnaire/).
- [x] Describes user research you did to validate the problem and/or design.

### Where and by whom is the work is being done?

- GitHub repo: https://github.com/openui/open-ui
- Primary contacts:
  - Joey Arhar @josepharhar Google
- Organization/project driving the design: Google
- This work is being funded by: Google
- Incubation and standards groups that have discussed the design:
  - https://github.com/openui/open-ui
  - https://github.com/whatwg/html/issues/12050
- Standards group(s) that you expect to discuss and/or adopt this work when it's
  ready: WHATWG


### Feedback so far

- Multi-stakeholder feedback:
  - Chromium comments: We are proposing this feature
  - Mozilla comments: none
  - WebKit comments: Some feedback in https://github.com/whatwg/html/issues/12050
  - https://x.com/JosephArhar/status/2077060267192799277
  - https://bsky.app/profile/josepharhar.bsky.social/post/3mqmlaapxts26
- Major unresolved issues with or opposition to this design:

### You should also know that...

We still need to choose one of the API shape options, but the HTML parser changes in option B are opposed by developers and participants of OpenUI

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Received on Wednesday, 12 August 2026 20:41:56 UTC