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@wagerfield @dominickng @samthor @Paul_Kinlan @aerotwist @DasSurma Yep. Spec says (w3c.github.io/manifest/#icon-masks): "If the icon contains transparent pixels, the user agent MUST composite the icon onto a solid color (eg. white) of the UA's choice". There is even a note: "It is suggested that designers avoid using transparent pixels in maskable icons".Permalink On twitter.com
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@wagerfield @dominickng @samthor @Paul_Kinlan @aerotwist @DasSurma @samthor's PWACompat library does this: "CreatesOn twitter.com
apple-touch-iconimages, adding the manifest background to transparent icons: otherwise, iOS renders transparency as black".—developers.google.com/web/updates/2018/07/pwacompat