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Issue performance warning if chromeFlags includes --headless #2675
referenced this issue
Aug 9, 2017
This was referenced
Dec 6, 2017
We did some testing on Friday. Turns out headless chrome now supports network throttling! It wasn't 100% clear from that bug.
Headless supports throttling as of Chrome 63. We're updating the warning to only complain when you use headless on an older version. See #4021.