I manage an Electron application where authorization is provided by a JWT cookie set from my server and have recently noticed the Reading cookie in cross-site context will be blocked in future Chrome versions.

The explanation makes sense:
Cookies with the SameSite=None; Secure and not Partitioned attributes that operate in cross-site contexts are third-party cookies. In future Chrome versions, reading third-party cookies will be blocked. This behavior protects user data from cross-site tracking. and Google provides the following article for more info: https://developers.google.com/privacy-sandbox/3pcd, however it does not mention the use of cookies in Chromium/Electron.

The only cookies in use are set by my back end server. If my code were a webpage, it’d be fine, but because Chromium is running in my Electron app, is it true that any and all cookes will be cross-site?

What strategies should we be considering to handle this for the near future?

Thanks in advance Stack Overflow community.