Open Bug 1636315 Opened 4 years ago Updated 4 years ago

Don't list compatibility issue when issue is avoided or mitigated


(DevTools :: Inspector: Compatibility, enhancement)



(Not tracked)


(Reporter: sebo, Unassigned)


(Blocks 1 open bug)


If a compatibility issue is solved by providing alternatives or fallbacks, the issue shouldn't be listed in the panel or only those browsers that are not covered them.


  • If column-gap is used together with grid-column-gap in a CSS rule for grid layout, basically all browsers are covered, so it neither column-gap (as not supported by all browsers) nor grid-column-gap (deprecated) should be listed.
  • If background-clip and -webkit-background-clip are specified in a CSS rule, all browsers are covered and they shouldn't be listed.
  • If width: max(20vw, 200px); is specified together with width: 20vw and min-width: 200px;, the latter two cover older browsers while the former declaration covers the newer ones, so max() shouldn't be listed. (It isn't anyway, but that's because of bug 1636301.)

Of course those rules would have to be created and maintained manually and may quickly get complicated, though this ensures that only valuable information is shown to authors and avoids cluttering the UI.


Type: defect → enhancement
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