Having problems with SAML auth on IdP version 4.1.3

[Rod Widdowson]

> So, now I'm trying to upgrade to 4.1.3, but I've run into problems. Basically, Shibboleth isn't liking the reply from AzureAD any
more -
> ever.


It's a regression: [1] 

> Unfortunately it contains a regression that breaks the SAML proxying support. 
> An update will be issued in the immediate future to fix the regression, but deployers
> using the proxy support will need to stick with V4.1.2 for the moment.


[1] https://shibboleth.atlassian.net/wiki/spaces/IDP4/pages/1265631499/ReleaseNotes#4.1.3-(July-23,-2021)

Rod