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ESS - Element’s distribution for Matrix deployments (matrix-conf-2025)

In this talk we will provide insights on the new Element Server Suite (ESS) editions which provide an Element-supported way to deploy Matrix stacks. ESS is available in three editions - [ESS Community](https://github.com/element-hq/ess-helm) - the free Matrix distribution from Element for small-/mid-scale, non-commercial community use cases - [ESS Pro](https://element.io/server-suite) - the commercial Matrix distribution from Element for professional use - [ESS TI-M](https://element.io/server-suite/ti-messenger) - a special version of ESS Pro focused on the requirements of TI-Messenger Pro and ePA We will dive deep into each edition, explain how they're meant to be used, shed light on the components they...
Luxchat(4gov) (matrix-conf-2025)

      Presentation of the Luxembourg efforts to establish a sovereign instant messaging ecosystem for the public and private sector for Luxembourg. 
More details to follow.
Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/
about this event: https://cfp.2025.matrix.org/matrix-conf-2025/talk/GEEKMY/
Video:matrix-conf-2025-72917-eng-Luxchat_4gov_hd.mp4
How Matrix is becoming the communication standard for Public Sector (matrix-conf-2025)

      Matrix was built to become the open communication of the web and serve everyone. But, as the Internet and email did, its network effect started with governments. Today, and as proven by the audience in the room,  most European governments and several others are either using it or looking at implementing it for their communications. This talk will tell the story of how we got there and why.
Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/
about this event: https://cfp.2025.matrix.org/matrix-conf-2025/talk/CAUAHD/
Video:matrix-conf-2025-74985-eng-How_Matrix_is_becoming_the_communication_standard_for_Public_Sector_hd.mp4
MatrixRTC - The key sharing problem (matrix-conf-2025)

Why is having large encrypted group calls difficult? How do other providers solve this? The future? Demos! Why are large encrypted group calls difficult to host? Specifically, we will go into the details about key sharing, how we can use some tricks to optimize it and how they are also a very big footgun. We will also see how other providers like jitsi, zoom, discord and cloudflare handle this. And then show off the new Famedly Call project! There will also be some mentions of MLS and how it fixes this problem and some caveats, therefore attending...
The Element update: Shininess, scalability and sustainability (matrix-conf-2025)

      A whistle stop tour of Element’s progress over the last year! Highlights include Element Server Suite Community, the latest on Element X, Spaces, Threads and Element Call. There’s also Element Server Suite Pro, Synapse Pro and the launch of Element Pro; the Element app specifically for the workplace!
Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/
about this event: https://cfp.2025.matrix.org/matrix-conf-2025/talk/WEASKJ/
Video:matrix-conf-2025-81476-eng-The_Element_update_Shininess_scalability_and_sustainability_hd.mp4
Secure and Sovereign communications for United Nations International Computing Centre and its Partners (matrix-conf-2025)

      Secure communication leveraging the Matrix protocol for UNICC and its partners
Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/
about this event: https://cfp.2025.matrix.org/matrix-conf-2025/talk/WM9WAE/
Video:matrix-conf-2025-81513-eng-Secure_and_Sovereign_communications_for_United_Nations_International_Computing_Centre_and_its_Partners_hd.mp4
The Matrix SDK No One Talks About (matrix-conf-2025)

Trixnity is rapidly emerging as a powerful, flexible, and fully asynchronous SDK for building Matrix applications using Kotlin Multiplatform. What many don't realize: Trixnity is already in widespread use - potentially powering apps usable by over 50 million people. It’s embedded in multiple Matrix-based messengers, though you’d only know it by digging into app license disclosures. This talk shines a light on Trixnity’s hidden but significant role in the Matrix ecosystem and why more developers should pay attention. This session also presents the current state of Trixnity in 2025, highlighting key milestones, recent developments,...
Eventually Consistent Access Control: Practical Insights on Matrix from Decentralized Systems Theory (matrix-conf-2025)

Access control is the core of any system's security, but usually provided by a single, centralized server. However, access control in a Matrix room is decentralized: every participating server *independently* decides *who* is authorized to send and receive *which* events, without consulting any other server. To the surprise of many, these decisions are still *eventually* consistent even if all but one server is malicious, but seeing *why* requires a new way of thinking about access control. I will explain the necessary design patterns from decentralized systems science, and show how they can be...
Element X and Pro Updates (matrix-conf-2025)

We will provide you with the latest updates on Element X mobile apps, as well the plan to sunset our classic Element apps. This includes both the current state, as well as a look into what to expect during the next couple of months and details about specific features like threads and spaces that many people are looking forward to on Element X. In the second part we’ll cover the intent and purpose behind the Element Pro apps - who are these for and why, and as part of it, look into how we’re...
The Role of the Matrix Protocol within Germany’s Sovereign and Secure Health Messenger Solution – A Loyal Player Embracing the Evolution of Secure Architectures (matrix-conf-2025)

Germany’s digital health infrastructure has long been built on the principles of sovereignty, open standards, and interoperability. With the electronic patient record (ePA) and KIM for secure data and document exchange, Germany established a federated ecosystem using standards such as FHIR and OIDC with sectoral identity providers. The recent introduction of the TI-Messenger (TIM) extends this ecosystem to real-time communication — now connecting over 25 million insured citizens through the RISE TI-Messenger, directly integrated into their ePA app (ePA FdV). Matrix serves here not as the foundation of sovereignty, but as a loyal enabler within...