Actually, twitter was already there, didn't realise add new was greyed out, was just showing where the setting was
I think that the builds are still rolling out to Insiders in WU. Please keep calm and search in a hour or two. In my case (spanish build) they appears with more delay than the en-US build. (30 minutes/1 or 2 hours)
Issues with the photo app. Imagine you have an image with black text illustrations. Open in photos app and tell me where you can read the text. Its dark on dark. if MS is gonna make it the default photo app, then I suggest that it should also have light theme as well.
I'm thinking they want people using Windows 10-specific drivers for the best feedback. Wouldn't really do too good to have people running older drivers and not testing out and giving feedback on the new stuff And considering most hardware vendors aren't publicly releasing Windows 10 drivers yet... what better place to get them than WU?
That's none of MS's business. Furthermore, there ARE official drivers for Win10. ASUS just released them today FFS!
did you just said ASus released its Win10 drivers today? am on ASUS and didnt see any, only updated mine using driver packs. If yes, could you share?