css.at-rules.media - no data available for `scan` value in BCD

What type of issue is this?

Missing compatibility data

What information was incorrect, unhelpful, or incomplete?

For the following features there is no BCD data:

• content/files/en-us/web/css/@media/scan/index.md
• content/files/en-us/web/css/doublecolon-moz-meter-bar/index.md
• content/files/en-us/web/css/calc-keyword/index.md
• content/files/en-us/web/css/calc-sum/index.md
• content/files/en-us/web/css/gradient/index.md
• content/files/en-us/web/css/image/image/index.md
• content/files/en-us/web/css/time-percentage/index.md
  ,

What browsers does this problem apply to, if applicable?

No response

What did you expect to see?

Above features tracked in BCD.

Did you test this? If so, how?

no

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

No response

MDN metadata

No response

Review the listed MDN feature pages, especially @media/scan/index.md, calc-keyword/index.md, and gradient/index.md, then compare nearby compatibility-data entries to understand the expected coverage. Verify browser support for each unchecked feature from authoritative sources and update the corresponding BCD data; done means the listed features have accurate tracked compatibility data.