Reposting https://github.com/google/fonts/issues/358#issuecomment-463322909 here: Hi all, I want to take this opportunity to point to a potential issue with `@font-feature-values` I came across this tweet: https://twitter.com/pjchrobak/status/1059229076987301888 It seems removing semicolon in `font-display` in `@font-feature-values` breaks Firefox CSS below that for older versions. > Keep in mind, that if you add > `@font-feature-values FontName { font-display: whatever; }` without semicolon after value (what minifiers do), older versions of Firefox stop render whole CSS after this descriptor 🤯 I tested this on Browserstack with Firefox 56 in MacOS Mojave and the tweet seems right!  Firefox 57 onward fine but this raises questions about the syntax. -- GitHub Notification of comment by vijayaraghavanramanan Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/2973#issuecomment-463323859 using your GitHub accountReceived on Wednesday, 13 February 2019 19:01:32 UTC
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