Der Mastodon 4.0 Release wurde übrigens teilweise von der Europäischen Kommission finanziert.
"Some of the features in this release have been funded through the NGI0 Discovery Fund, a fund established by NLnet with financial support from the
@EU_Commission Next Generation Internet programme"
https://github.com/mastodon/mastodon/releases/tag/v4.0.0
