KaiOS forked FirefoxOS back in ~2016. I wonder how closely they've tracked security fixes from Mozilla's upstream Gecko over the last two years. Mozilla removed

KaiOS forked FirefoxOS back in ~2016. I wonder how closely they've tracked security fixes from Mozilla's upstream Gecko over the last two years. Mozilla removed a lot of B2G code from Gecko, so merging fixes will require more work than just applying patches.