Instances on 20.8 can become unresponsive with threads stuck doing work in SessionDatabaseManager
Disconnect doesn't show up immediately
SAML can throw "sequence contains more than one element"
SAML throws with "malformed reference element"
CreateSessionOld throws with contract mismatch
Server is leaking memory in linked cancellation token sources
2k8 and 2k12 servers unresponsive after upgrading to 20.7
HttpModules defined in extensions do not work in 20.7+
Extension Module does not set Extension context when calling http modules
Require email address in setup wizard security panel for the Administrative account
Services don't start as expected
Customer support service by UserEcho