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Matt Cengia@mattcen@aus.social (2026-06-14 08:29:25)
I remember reading previously that one shouldn't switch an #ActivityPub server between implementations (e.g. from #Mastodon to #GoToSocial), but never understood why. I know a fair bit about AP but haven't read the full spec.
Can somebody please tl;dr this for me? Is it primarily due to the private keys used to sign activities, or something more complex?
---Reply---
silverpill@silverpill@mitra.social (2026-06-14 21:03:21)
@mattcen This is primarily due to implementation quirk of GoToSocial:

https://codeberg.org/superseriousbusiness/gotosocial/issues/3197

AFAIK, Mastodon had a similar limitation in the past, and also was overly strict with actor ID -> webfinger relationships, but the situation has improved since then.