Unverified50% confidenceFactExact time
Firefox had removed Compact Mode in the Firefox 89 redesign codenamed Proton.
1
Sources
50%
Confidence
Long-term
Relevance
9/29/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedAfter Proton removed Compact Mode, Firefox retained it as a hidden option under community pressure, requiring manual activation in about:config.68% similarUnverifiedChrome has supported offset-path since version 46 in 2015 (using the motion-path prefix at the time), Firefox has supported it since version 72, and Safari has fully supported it since version 16.59% similarUnverifiedFirefox目前仍支持完整的Manifest V2，这是安全社区推荐Firefox作为隐私浏览器的重要原因之一58% similarUnverifiedBrowserSkill currently officially supports Chrome and Edge; other Chromium-based browsers are only expected to work, and Firefox support is still in the planning stage.56% similar
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