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Grant
Theme fund: NGI0 Commons Fund
Start: 2025-02
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Interoperability of Events in the Fediverse

A common approach to using the ActivityPub Event object type

Events are at the heart of social life and deserve to be treated accordingly in the Fediverse. Although events are already supported by many ActivityPub applications, they often lack standardised implementation, which limits interoperability within the network. A fundamental milestone of this project is therefore to finalise and refine the current Fediverse Enhancement Proposals (FEPs) for events, in particular FEP-8a8e, and to investigate enhancements for advanced features such as super/child events, recurring events and RSVP actions. In addition, we will investigate the Fediverse Auxiliary Service Provider Specifications (FASPs) for discoverability and filtering of public events. Other aspects include further development of the Event Bridge for the ActivityPub WordPress plugin, working with GatherPress to make it a comprehensive ActivityPub event solution for WordPress, and contributing to other Fediverse projects on a case-by-case basis to align their event implementations. This may also include improving event support in applications that currently have very limited support. In addition, the project will serve as a knowledge hub and facilitate communication between developers working on events in ActivityPub. This includes hosting presentations to raise public awareness about the progress and (social) potential of events in the Fediverse.

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This project was funded through the NGI0 Commons Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 101135429. Additional funding is made available by the Swiss State Secretariat for Education, Research and Innovation (SERI).