Today I learned that the host-meta spec that I thought was completely abandoned when #webfinger was picked up by standardisation by another group than @blaine – that host-meta standard, which is published as #RFC6415 (https://datatracker.ietf.org/doc/html/rfc6415) seems to actually be fully supported by Mastodon in addition to fully supporting the host-meta less webfinger #hostmeta
https://mastodon.social/@voxpelli/113288832327053547
RFC 6415: Web Host Metadata

This specification describes a method for locating host metadata as well as information about individual resources controlled by the host. [STANDARDS-TRACK]

IETF Datatracker

@[email protected]

"template" is defined in IETF #RFC6415 (i.e., Web Host Metadata / #hostMeta ).

https://www.rfc-editor.org/rfc/rfc6415.html

#WebFinger 's IETF #RFC7033 mentions that here:

"The JSON Resource Descriptor (JRD), originally introduced in RFC 6415"

RFC 6415: Web Host Metadata

Using Web Host Metadata's #XRD & #JRD to figure out where #WebFinger is seems unnecessarily complex to me.

(This is used by some #Fediverse software.)

...

/.well-known/host-meta

/.well-known/host-meta.json

...

#RFC6415 #RFC7033

If you are developing software for the #Fediverse then —

You need to understand #RFC6415

IETF RFC-6415 — Web Host Metadata
https://www.rfc-editor.org/rfc/rfc6415.html

.I.e.,:

/.well-known/host-meta

.

RFC 6415: Web Host Metadata