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Is Firefox 64 beta or coming release set to block third party cookies by default ?

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I validated on Firefox 64 Beta version and third party tracking server added on our website is getting blocked by default. Is this a part of upcoming release ?

I validated on Firefox 64 Beta version and third party tracking server added on our website is getting blocked by default. Is this a part of upcoming release ?

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Starting with Firefox 63, all desktop versions of Firefox include an experimental cookie policy that blocks cookies and other site data from third-party tracking resources. This new policy provides protection against cross-site tracking while minimizing site breakage associated with traditional cookie blocking.

More details in this Blog: Firefox 63 Lets Users Block Tracking Cookies