6👍
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Update: Ghostery got back to me quickly and have fixed this and released the updated version.
This is caused by the recent version of Ghostery. I have submitted a bug report to company and will update this answer once the bug has been fixed and the fix is released.
In the meantime, the only workaround I have found is disabling the extension while using dev tools. To make this more manageable, you may want to install Chrome Canary for dev work, since it can be installed in parallel with Chrome Stable.
Source:stackexchange.com