To add to what I said about @ChromeDevTools last night:
- devtools docked in main browser window: perfectly usable
- devtools in separate window on same monitor: slower, but usable
- devtools in separate window on different monitor: almost entirely unusable + high CPU
#wtf
Any of these issues similar to what you're seeing? https://bugs.chromium.org/p/chromium/issues/list?can=2&q=component%3APlatform%3EDevTools+slow&colspec=ID+Pri+M+Stars+ReleaseBlock+Component+Status+Owner+Summary+OS+Modified&x=m&y=releaseblock&cells=ids …