[3.x] Add Htmlable to getDescription method in HasDescription contract #18912
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Description
Adding Htmlable to the return type for the getDescription method in the HasDescriptions contract, to allow returning HtmlString from enum descriptions.
This should not cause any BC issues, as existing concrete getDescription methods using ?string as the return type would be covariant (more specific), which PHP is happy with.
Visual changes
Functional changes
composer cscommand.