Learn365 web parts not loading in SharePoint (updated)

We are pleased to inform you that the issue affecting access to Learn365 web parts has been fully resolved.
Our monitoring confirms that Learn365 is now operating normally, with no further disruptions observed.
We sincerely apologize for any inconvenience this may have caused to your daily operations and appreciate your patience during this time. If you encounter any lingering issues, please reach out to our support team.

We are continuing to monitor for any further issues.

We have deployed the fix to all production regions and are currently monitoring its impact.

We have deployed the fix to the US and Australia regions and are currently monitoring its impact.

We have deployed the fix to the UK region and are currently monitoring its impact. Initial reports indicate that service has been restored. Once we confirm full recovery and stability, we will proceed with deploying the fix to other regions.

We are continuing to work on a fix for this issue.

After thorough investigation, we have identified that the issue stems from the process of updating the MSAL version in SharePoint, which is being gradually rolled out by Microsoft across tenants in different regions. The version of the library implemented for affected clients is causing an authentication loop in our web parts.

Based on the nature of this issue, we anticipate that more customers may be affected over time, regardless of the type of their Azure AD. Rest assured, we are taking all possible measures on our end to prevent the issue from escalating further.

We are in contact with Microsoft's support team and are actively working to find a solution to the problem as quickly as possible. We sincerely apologize for any inconvenience caused and appreciate your patience and understanding during this time.

We are actively investigating an issue that appears to be affecting our clients. Initial findings indicate that the problem may impact all hybrid setups supported by Entra Connect. Our team is working to identify the root cause and assess the scope of the impact.

As a temporary solution, users can utilize the Teams desktop app or the mobile app to access functionality while the issue is being investigated and resolved.