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Google maps 'corruption'

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Any ideas why I am seeing these strange rectangles on Google maps?

Confirmed not caused by an extension as I still see them in Private window and do not see them when using Brave.

They don't stay in the same geographical location when zooming in and out.

Any ideas why I am seeing these strange rectangles on Google maps? Confirmed not caused by an extension as I still see them in Private window and do not see them when using Brave. They don't stay in the same geographical location when zooming in and out.
Attached screenshots

Chosen solution

That is canvas fingerprinting protection, you can let the site access the canvas from the icon in the address bar at the expense of exposing your browser fingerprint.

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Chosen Solution

That is canvas fingerprinting protection, you can let the site access the canvas from the icon in the address bar at the expense of exposing your browser fingerprint.

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@zeroknight Thanks!