@csswizardry This is so useful 
Using Local Overrides to test performance hypotheses:https://youtu.be/UOn0b5kn3jk
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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Great video. Really nice to have func like this within the browser
Thanks. Twitter will use this to make your timeline better. UndoUndo
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I wish Chrome played back security settings/headers for local overrides (especially CORS headers). This way you could locally override fonts, which currently fail
Thanks. Twitter will use this to make your timeline better. UndoUndo
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