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Better Incognito DevTools

Some appearance preferences are now persisted through to incognito windows

It's worth going incognito when debugging (nice clean slate, no extensions).

DevTools will now persist your appearance preferences (docking position, size, pane layout, etc) and devtools settings (disable cache, etc) into the incognito window.

More information: https://bugs.chromium.org/p/chromium/issues/detail?id=376788#c58

Now in Chrome Canary