> On Apr 18, 2016, at 09:56, Milan Sreckovic <msrecko...@mozilla.com> wrote: > > What’s the “XP tax”? Graphics usually tries to simplify the playing field as > much as possible, but I can’t say that XP has been causing any trouble, or > that we have been getting too many XP specific problems (certainly fewer than > Windows 10 :)
Well as we still have to compile for XP there are certain API’s which we can’t use like here: https://dxr.mozilla.org/mozilla-central/source/media/mtransport/third_party/nICEr/src/stun/addrs.c#228 The good news is that dxr does not find anything using IsXPSP3OrLater(). But this looks like we have a bit of version specific code in our tree: https://dxr.mozilla.org/mozilla-central/search?q=XP_WIN&redirect=false&case=true And on top of that come the costs for maintaining XP machines as part of the treeherder setup. So it is not easy to quantify, but there is a “XP tax” we pay. Regards Nils
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