James Richardson

### Steps to reproduce There is likely to be a native surface (CALayer) in the tree, drawing video content, when this occurred. ``` libsystem_kernel 0x1ef39b08c __psynch_cvwait libsystem_pthread 0x20318f6e0 _pthread_cond_wait Flutter...

Start to address very poor performance of flutter test

1

The base issue is #168268 - Tests run extremely slowly, and it can be seem that the parallelism is very low - even on performant hardware Baseline: Test suite takes...

Indicate http version used for connection/response

5

### Request Statement When receiving an http response from upstream server it would be really handy to know which http version served the response. E.g. http1.1 / http2 This is...