This is how it spreads. Google normalizes “web apps” that are really just Chrome apps. Then others follow. We’ve been here before, y’all. Remember IE? Browser hegemony is not a happy place.https://twitter.com/yaroslav/status/1112707497083785216 …
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We're investing heavily in Web Platform Tests to make it easier for lagging engines to catch up: https://wpt.fyi But no amount of cowpath-paving can address other engines fundamentally under-investing, and that's the situation we're in.
And WRT to IE6, I think we can investigate the history with a bit of distance. I was a web developer at the time (and for many years after), and the common story about what went wrong in that era is...missing nuance.
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