SameSite cookie issue brokes preview

Hello.

We are facing the issue that previewing stopped working on macs.
Stopped working - means on changes in prismic nothing happens in the app (but it worked some time before).
Chrome and Safari.
I am not the only one who can't get it working on my mac, although, here are details:

macOS Big Sur Version 11.4
MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports)

Google Chrome is up to date
Version 91.0.4472.114 (Official Build) (x86_64)

Safari Version 14.1.1 (16611.2.7.1.4)

Chrome through the following issue:

From what me and my colleagues investigated - the issue is that prismic (we are not sure how) set those cookies the wrong way.

Any help/ideas/questions are appreciated.

Hey Team,

So this is related to Chrome doing updates to how it handles SameSite cookies I believe.

Can you try allowing cookies for Prismic websites as described here:

If this doesn't work, let me know. I'm passing this current information you've sent to the devs to see if there's been recent updates in Chrome.

Thanks.

A PR has been pushed to work with the latest Chrome updates.

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