Login issue with Microsoft accounts

As of today my app that worked fine started having login issues with Microsoft accounts:

Basically when trying to use:
anvil.microsoft.auth.login()

I get:
Exception: No method in multimethod 'jwk->public-key' for dispatch value: null

Here is the link to an app that reproduces issue
https://anvil.works/build#clone:PCQQLRXFXVYMNGRL=X6G6YF2H6IUZ5PHPV7NHWEJF

This looks like Anvil bug. Anybody has a workaround?

I had the same issue, but it has cleared up now.
I believe it was related to a major Microsoft incident that affected Azure Active Directory.

The current incident status is here:
https://status.azure.com/en-us/status

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