Header layout with broke with last discourse (9fdea6c)

[Falco]

Better cross post here:

Help us test the new header code!

I’ve just merged another client side performance improvement for Discourse. Our site header has been re-written using the widget code that gave us a huge performance increase within topics. The site header is present on every page and our benchmarks showed that it often took up 1/4 of the initial rendering time of a Discourse page. With the new code, it renders roughly 8x faster than before, which should be a significant improvement on android devices. Since this is a major re-write, the odds …

I don’t have a Mac to test, so please post there so @eviltrout can fix!