css.properties.appearance.base-select - Firefox shown as completely incompatible but it actually is

[yuliyanvladimirov]

What type of issue is this?

Incorrect support data, Firefox shown as incompatible

What information was incorrect, unhelpful, or incomplete?

The information about the firefox compatibility was incorrect.

What browsers does this problem apply to, if applicable?

Firefox

What did you expect to see?

Firefox 150.0.1 is compatible with the base-select functionality

Did you test this? If so, how?

I'm developing a website that uses the base-select funtionality so I had to test it on Firefox

Can you link to any release notes, bugs, pull requests, or MDN pages related to this?

No response

Do you have anything more you want to share?

No response

MDN URL

https://developer.mozilla.org/en-US/docs/Learn_web_development/Extensions/Forms/Customizable_select

MDN metadata

MDN page report details

• Query: css.properties.appearance.base-select
• Report started: 2026-05-04T08:43:49.981Z