@stsp That's strange cause digest is the standard way. I'll look into it---I have an android and will see what nonsense it performs.
@kristapsdz It looks like kcaldav is sending 401 but caldav never tries to authenticate in response to this. Instead it sends another PROPFIND to another URI (.well-known/caldav). This is from the 'Add account' window in davdroid.
@kristapsdz Looks like this is the client-side code which fails: https://gitlab.com/bitfireAT/davdroid/blob/master-ose/app/src/main/java/at/bitfire/davdroid/ui/setup/DavResourceFinder.kt#L157
The propfind request results in an "UnauthorizedException" which isn't caught by this code.
Not sure if caldav's expectation to be able to find a "principal" without authorization makes sense.
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