Reply 160 of 288, by CookiePLMonster
Right, by now I'm pretty sure VSync can never work, at least with patch 1.4 - r_VSync configuration option is not even read in time, by the time it gets read D3D device is long created and can't be changed without resetting!
This is nasty but I'm pretty sure I can work it around. Won't be as clean of a fix as I hoped it would be (not a fan of hacking things around and hoping they will not fall apart), but finding original VSync proved to be very tiresome (how complex can enumerating display modes be!?). Workaround I have in mind is going to be relatively safe too, so very unlikely any side effects will show up.
While I'm at it, any info about mouse being allegedly broken? I'm yet to encounter it on Win10, but from what I heard it's a fairly widespread issue.