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Important: We've just released a critical security update for ESS Community. Please update as soon as possible:

GitHub

Release 25.12.2 · element-hq/ess-helm

ESS Community Helm Chart 25.12.2 (2025-12-19) Security Fix critical security issue tracked as ELEMENTSEC-2025-1670. This release is a critical se...

. ESS Classic and other Synapse installations are not affected.

At #MatrixConf2025 we showed how Element Call brings secure, federated and scalable conferencing to Matrix - from 1:1 calls to large group video meetings! Demos, history & what’s next: 👇

Element Blog

Element Call: Redefining conferencing for privacy, scale and sovereignty

At Matrix Conference 2025, Florian, Aaron and Timo showcased how Element Call is bringing secure, federated, and scalable real-time communication t...

We’re sponsoring the EU Open Source Policy Summit 2026 (Brussels, 30 Jan), hosted by @npub1mjtw...pvyd. The theme is “Digital Sovereignty Runs on Open Source." @npub1p826...v0qt will be talking about the importance of interoperability and open standards.

The EU Open Source Policy Summit – The only conference bringing Open Source and policy together.

Giom at [@osxp_paris](

Mastodon

Open Source Experience (@osxp_paris@mastodon.social)

315 Posts, 262 Following, 470 Followers · MEETING WITH THE EUROPEAN OPEN SOURCE COMMUNITY #OSXP2025: Dec. 10/11 2025 #Paris.

) today where we're part of the European Village. Come and say 👋 If you're there, don't miss our talks today: 🕒 14:50–15:10 — A blueprint for implementing CRA in an open source business: Element’s journey with @npub1p826...v0qt & @npub1jmd9...k8fz 🕒 17:10–17:30 — Public Money for Public Code: selling open source software to government in Europe with @npub1p826...v0qt

🇨🇭 How does a country turn open source technology into a national strategy? At #MatrixConf2025, @npub1zfgx...ahj9 shared Switzerland’s journey towards recognising open source software as a key enabler of digital sovereignty. @npub1m9z3...whzq is highlighted as a driving example — also used at the Swiss Institute of Public Sector Transformation — while projects like @npub1u0ld...wvvv’s openDesk (including Element as the chat component) are being trialled in Switzerland’s public administration.

🇩🇪 How do you build and roll out a messaging platform for an entire nation’s public administration? At #MatrixConf2025, Kai A. Hiller from @npub1lqen...rdf9 shared the evolution of BundesMessenger — Germany’s sovereign public sector messenger, built on the @npub1m9z3...whzq open standard, and based on Element. It serves municipalities and federal agencies, offering a sovereign alternative to consumer messaging apps.