Outdated compatibility tables for the Permissions-Policy "execution-while-*" directives

[arxenix]

MDN URL

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-not-rendered

What specific section or headline is this issue about?

Browser Compatibility

What information was incorrect, unhelpful, or incomplete?

the execution-while-not-rendered and execution-while-out-of-viewport permission policy directives no longer exists in any Chromium-based browsers. It appears to have been removed several years ago. MDN docs say it exists behind the --enable-blink-features=ExperimentalProductivityFeatures flag, but this is incorrect.

What did you expect to see?

There is no support for this directive in any browsers as of the current date, even behind any CLI flags.

Do you have any supporting links, references, or citations?

chromium/chromium@375de76

chromium support for this directive, and the appears to have been removed ~4 years ago, in this commit.

Do you have anything more you want to share?

No response