Issue Summary

Multiple customers have reported issues authenticating via SSO in the Trello desktop app. This is happening in both the Mac and Windows versions, and at least three distinct (Azure, Shibboleth, Okta) Identity Providers are experiencing the same problem.

Steps to Reproduce

1. Being using SSO to login
2. Attempt to authenticate through IdP

Expected Results

Expect the desktop app to pass DeviceID parameter in authentication Token

Actual Results

Trello desktop app is unable to pass the DeviceID details to the authentication token, so the CA policy filter is not met and blocks authentication. This results in being stuck on the pictured authentication step:

Workaround

Currently, the workaround is to use the web client