How to disable 'canvas blocking'?

Browser Support Web Compatibility
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1

A client-side encryption web app needs ‘canvas blocking’ to be disabled for uploading to the cloud.

How does one do that – preferably without having to go ‘all shields down’?

Thanks.

2

Fingerprinting protection, as far as I’m aware of. cc @fanboynz

3

Yeah allowing fingerprinting on a site will help with the Canvas blocking.