Matrix Conference 2024

DMA, MIMI, (D)MLS, Linearized Matrix and more…
09-20, 16:15–17:00 (Europe/Berlin), LAB 3

There has been lots of work in 2024 around Matrix and the EU Digital Markets Act, and other interoperability initiatives like the IETF’s More Instant Messaging Interoperability Working Group. This talk will give all the latest updates on the various approaches to wider interoperability, including use of interoperable encryption via the Double Ratchet and Decentralised MLS.


The EU Digital Markets Act has now taken effect, requiring designated messaging gatekeepers to provide interoperable messaging - but only WhatsApp and Facebook Messenger are subject to its regulation so far. We’ll explain where things are at, and what approaches are available for interop with DMA gatekeepers; how Matrix relates to the IETF MIMI working group; and how Matrix
may evolve in future when utilising MLS or Decentralised MLS for encryption.

Pronouns: he/him

Travis is the Foundation's Director of Standards Development, Trust & Safety (T&S) technical lead, Spec Core Team (SCT) member, Senior Software Developer at Element, and Owner/Operator of t2bot.io in addition to being a hobbyist Matrix developer in his spare time.

Travis was first introduced to Matrix through his local makerspace in 2016, and has been contributing ever since. In 2018 Travis was hired by Element to facilitate the release of Matrix 1.0, work on Element Web (then Riot), and develop early moderation tooling for the Matrix ecosystem. Travis' role today is dedicated to the Foundation's Trust & Safety team with a subfocus in protocol interoperability through his Standards Development hat.

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