The Matrix.org Foundation
@matrix.org
Matrix is an open network for secure, decentralised communication. Please support at matrix.org/support
A new member in the Foundation, server-wide anti-spam in continuwuity, and a matrixRTC-SDK...
That and more happened This Week in Matrix!
matrix.org/blog/2026/01...
That and more happened This Week in Matrix!
matrix.org/blog/2026/01...
This Week in Matrix 2026-01-09
Matrix, the open protocol for secure decentralised communications
matrix.org
January 9, 2026 at 7:30 PM
A new member in the Foundation, server-wide anti-spam in continuwuity, and a matrixRTC-SDK...
That and more happened This Week in Matrix!
matrix.org/blog/2026/01...
That and more happened This Week in Matrix!
matrix.org/blog/2026/01...
A 39C3 debrief, getting ready for FOSDEM, and new developments in the Rust servers area. That and more happened over the year end holidays!
matrix.org/blog/2026/01...
matrix.org/blog/2026/01...
This Week in Matrix 2026-01-05
Matrix, the open protocol for secure decentralised communications
matrix.org
January 5, 2026 at 8:51 PM
A 39C3 debrief, getting ready for FOSDEM, and new developments in the Rust servers area. That and more happened over the year end holidays!
matrix.org/blog/2026/01...
matrix.org/blog/2026/01...
Going to FOSDEM? Matrix enthusiast? There will be plenty of opportunity to see us!
Between the Decentralised Comm Devroom, our booth, and our hackathon, we will be here in full force!
matrix.org/blog/2025/12...
Between the Decentralised Comm Devroom, our booth, and our hackathon, we will be here in full force!
matrix.org/blog/2025/12...
FOSDEM Update
Matrix, the open protocol for secure decentralised communications
matrix.org
December 31, 2025 at 2:45 PM
Going to FOSDEM? Matrix enthusiast? There will be plenty of opportunity to see us!
Between the Decentralised Comm Devroom, our booth, and our hackathon, we will be here in full force!
matrix.org/blog/2025/12...
Between the Decentralised Comm Devroom, our booth, and our hackathon, we will be here in full force!
matrix.org/blog/2025/12...
Getting started in open source can be intimidating: everything is public! Don't go alone, take one of our mentors with you and start contributing to Matrix on 30 January, in HSBXL right before FOSDEM!
matrix.org/blog/2025/12...
matrix.org/blog/2025/12...
Find us at FOSDEM
Matrix, the open protocol for secure decentralised communications
matrix.org
December 29, 2025 at 2:01 PM
Getting started in open source can be intimidating: everything is public! Don't go alone, take one of our mentors with you and start contributing to Matrix on 30 January, in HSBXL right before FOSDEM!
matrix.org/blog/2025/12...
matrix.org/blog/2025/12...
You want to fix that one bug in your Matrix client, but didn't get a chance to dive into it?
Participate in our Matrix Hackathon on 30 Jan in Brussels, and get help from our mentors to make your feature happen!
Details and free registration on our blog
matrix.org/blog/2025/12...
Participate in our Matrix Hackathon on 30 Jan in Brussels, and get help from our mentors to make your feature happen!
Details and free registration on our blog
matrix.org/blog/2025/12...
Find us at FOSDEM
Matrix, the open protocol for secure decentralised communications
matrix.org
December 26, 2025 at 10:00 AM
You want to fix that one bug in your Matrix client, but didn't get a chance to dive into it?
Participate in our Matrix Hackathon on 30 Jan in Brussels, and get help from our mentors to make your feature happen!
Details and free registration on our blog
matrix.org/blog/2025/12...
Participate in our Matrix Hackathon on 30 Jan in Brussels, and get help from our mentors to make your feature happen!
Details and free registration on our blog
matrix.org/blog/2025/12...
It’s the 2025 Matrix Holiday Special!! Come read all about what went right and what went wrong in 2025 and what the future holds for 2026. Thanks for flying Matrix, and happy holidays! 🎄☃️⛷️🦑 matrix.org/blog/2025/12...
The 2025 Matrix Holiday Special
Matrix, the open protocol for secure decentralised communications
matrix.org
December 24, 2025 at 5:50 PM
It’s the 2025 Matrix Holiday Special!! Come read all about what went right and what went wrong in 2025 and what the future holds for 2026. Thanks for flying Matrix, and happy holidays! 🎄☃️⛷️🦑 matrix.org/blog/2025/12...
Missing a feature in Matrix? There's a rough edge you would like to file?
Come join us and the mentors at the Matrix Hackathon on 30 January in Brussels, and take the matter in your hands with their help!
📌 HSBXL, Brussels
📆 30 Jan
matrix.org/blog/2025/12...
Come join us and the mentors at the Matrix Hackathon on 30 January in Brussels, and take the matter in your hands with their help!
📌 HSBXL, Brussels
📆 30 Jan
matrix.org/blog/2025/12...
Find us at FOSDEM
Matrix, the open protocol for secure decentralised communications
matrix.org
December 23, 2025 at 3:30 PM
Missing a feature in Matrix? There's a rough edge you would like to file?
Come join us and the mentors at the Matrix Hackathon on 30 January in Brussels, and take the matter in your hands with their help!
📌 HSBXL, Brussels
📆 30 Jan
matrix.org/blog/2025/12...
Come join us and the mentors at the Matrix Hackathon on 30 January in Brussels, and take the matter in your hands with their help!
📌 HSBXL, Brussels
📆 30 Jan
matrix.org/blog/2025/12...
Important: admins of Conduit-derived homeservers (Conduit, Continuwuity, Grapevine and Tuwunel) should update immediately to address a critical bug in the federation implementation that is being actively exploited: github.com/continuwuity...
Unintended Proxy or Intermediary ('Confused Deputy') and Improper Input Validation in Conduit-derived homeservers
### Impact
This vulnerability allows a remote, unauthenticated attacker to force the target server to cryptographically sign arbitrary membership events. The flaw exists because the server fails...
github.com
December 23, 2025 at 2:19 AM
Important: admins of Conduit-derived homeservers (Conduit, Continuwuity, Grapevine and Tuwunel) should update immediately to address a critical bug in the federation implementation that is being actively exploited: github.com/continuwuity...
Reposted by The Matrix.org Foundation
The Holiday Special Matrix Live, open sourcing the policy server, and a security release for ESS.
This concludes This Week In Matrix for this year!
matrix.org/blog/2025/12...
This concludes This Week In Matrix for this year!
matrix.org/blog/2025/12...
This Week in Matrix 2025-12-19
Matrix, the open protocol for secure decentralised communications
matrix.org
December 19, 2025 at 8:12 PM
The Holiday Special Matrix Live, open sourcing the policy server, and a security release for ESS.
This concludes This Week In Matrix for this year!
matrix.org/blog/2025/12...
This concludes This Week In Matrix for this year!
matrix.org/blog/2025/12...
Reposted by The Matrix.org Foundation
Important: We've just released a critical security update for ESS Community. Please update as soon as possible: github.com/element-hq/e.... ESS Classic and other Synapse installations are not affected.
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 security update to address an issue affecting all ve...
github.com
December 19, 2025 at 4:37 PM
Important: We've just released a critical security update for ESS Community. Please update as soon as possible: github.com/element-hq/e.... ESS Classic and other Synapse installations are not affected.
We've just released Matrix spec v1.17 (hopefully our last release before v2.0!) including a few new MSCs and some exciting usability improvements for the spec website!
Read about it in the blog post: matrix.org/blog/2025/12...
Read about it in the blog post: matrix.org/blog/2025/12...
Matrix v1.17 specification released
Matrix, the open protocol for secure decentralised communications
matrix.org
December 18, 2025 at 5:24 PM
We've just released Matrix spec v1.17 (hopefully our last release before v2.0!) including a few new MSCs and some exciting usability improvements for the spec website!
Read about it in the blog post: matrix.org/blog/2025/12...
Read about it in the blog post: matrix.org/blog/2025/12...
Reposted by The Matrix.org Foundation
Can we say we are truly digitally sovereign?
@amandine.bsky.social tackles the question in the latest blog: europeanopensource.academy/news/achievi...
Amandine Le Pape is also our first host of the #EOSAMasterclass series, "Building and Sustaining Open Source Impact": youtu.be/6Gt_VwvS9yw?...
@amandine.bsky.social tackles the question in the latest blog: europeanopensource.academy/news/achievi...
Amandine Le Pape is also our first host of the #EOSAMasterclass series, "Building and Sustaining Open Source Impact": youtu.be/6Gt_VwvS9yw?...
December 17, 2025 at 10:07 AM
Can we say we are truly digitally sovereign?
@amandine.bsky.social tackles the question in the latest blog: europeanopensource.academy/news/achievi...
Amandine Le Pape is also our first host of the #EOSAMasterclass series, "Building and Sustaining Open Source Impact": youtu.be/6Gt_VwvS9yw?...
@amandine.bsky.social tackles the question in the latest blog: europeanopensource.academy/news/achievi...
Amandine Le Pape is also our first host of the #EOSAMasterclass series, "Building and Sustaining Open Source Impact": youtu.be/6Gt_VwvS9yw?...
Calls in Extera Next, Matrix helping users in Northern Virginia and Matrix meetups at CCC in Hamburg. This and more happened This Week in Matrix! matrix.org/blog/2025/12...
This Week in Matrix 2025-12-12
Matrix, the open protocol for secure decentralised communications
matrix.org
December 12, 2025 at 6:15 PM
Calls in Extera Next, Matrix helping users in Northern Virginia and Matrix meetups at CCC in Hamburg. This and more happened This Week in Matrix! matrix.org/blog/2025/12...
Reposted by The Matrix.org Foundation
@roost.tools isn't just openly licensing our tools, but also openly developing them. We just released an initial draft of the ROOST tooling roadmap, but it's just that -- a draft. If you're interested in OSS trust and safety tools, now's the time to shape what gets built! github.com/orgs/roostor...
ROOST Project Roadmap now available: share your feedback! · roostorg · Discussion #44
Hey ROOSTers, community members, partners, and other Internet friends! The ROOST Project Roadmap is now publicly available—and in true open source fashion, it's hosted right here on GitHub, on our ...
github.com
December 11, 2025 at 7:25 PM
@roost.tools isn't just openly licensing our tools, but also openly developing them. We just released an initial draft of the ROOST tooling roadmap, but it's just that -- a draft. If you're interested in OSS trust and safety tools, now's the time to shape what gets built! github.com/orgs/roostor...
📚️ Join us for a collaborative hackathon before FOSDEM!
Our team of scientists created tools to help us fight Big Silo. But we need your help to unlock the crate they sent!
Come learn, mentor, and contribute, and earn (sur)prizes!
📆 Jan 30
🗺️ HSBXL, Brussels
matrix.org/blog/2025/12...
Our team of scientists created tools to help us fight Big Silo. But we need your help to unlock the crate they sent!
Come learn, mentor, and contribute, and earn (sur)prizes!
📆 Jan 30
🗺️ HSBXL, Brussels
matrix.org/blog/2025/12...
Find us at FOSDEM
Matrix, the open protocol for secure decentralised communications
matrix.org
December 9, 2025 at 6:15 AM
📚️ Join us for a collaborative hackathon before FOSDEM!
Our team of scientists created tools to help us fight Big Silo. But we need your help to unlock the crate they sent!
Come learn, mentor, and contribute, and earn (sur)prizes!
📆 Jan 30
🗺️ HSBXL, Brussels
matrix.org/blog/2025/12...
Our team of scientists created tools to help us fight Big Silo. But we need your help to unlock the crate they sent!
Come learn, mentor, and contribute, and earn (sur)prizes!
📆 Jan 30
🗺️ HSBXL, Brussels
matrix.org/blog/2025/12...
Movie you've watched more than six times with a gif. Hard mode: no Stars (Wars nor Trek), LOTR, or Marvel, Disney Animated or Pixar.
December 8, 2025 at 9:48 PM
Movie you've watched more than six times with a gif. Hard mode: no Stars (Wars nor Trek), LOTR, or Marvel, Disney Animated or Pixar.
🧑🎨 Hackers, artists, project managers, writers wanted!
Joins us as we fight against Big Silo in our Brussels hackathon right before FOSDEM. Come learn, contribute, and help our mighty scientists as we tinker our way to a free world.
📆 Jan 30
🗺️ HSBXL, Brussels
matrix.org/blog/2025/12...
Joins us as we fight against Big Silo in our Brussels hackathon right before FOSDEM. Come learn, contribute, and help our mighty scientists as we tinker our way to a free world.
📆 Jan 30
🗺️ HSBXL, Brussels
matrix.org/blog/2025/12...
Find us at FOSDEM
Matrix, the open protocol for secure decentralised communications
matrix.org
December 8, 2025 at 9:14 AM
🧑🎨 Hackers, artists, project managers, writers wanted!
Joins us as we fight against Big Silo in our Brussels hackathon right before FOSDEM. Come learn, contribute, and help our mighty scientists as we tinker our way to a free world.
📆 Jan 30
🗺️ HSBXL, Brussels
matrix.org/blog/2025/12...
Joins us as we fight against Big Silo in our Brussels hackathon right before FOSDEM. Come learn, contribute, and help our mighty scientists as we tinker our way to a free world.
📆 Jan 30
🗺️ HSBXL, Brussels
matrix.org/blog/2025/12...
Element X Android getting a boost, a hackathon right before FOSDEM, and a brand new Flutter client.
That and much happened This Week in Matrix!
matrix.org/blog/2025/12...
That and much happened This Week in Matrix!
matrix.org/blog/2025/12...
This Week in Matrix 2025-12-05
Matrix, the open protocol for secure decentralised communications
matrix.org
December 5, 2025 at 8:26 PM
Element X Android getting a boost, a hackathon right before FOSDEM, and a brand new Flutter client.
That and much happened This Week in Matrix!
matrix.org/blog/2025/12...
That and much happened This Week in Matrix!
matrix.org/blog/2025/12...
⌨️ Don't miss your chance to team up with people and scratch your Matrix itch!
We organize a hackathon on Fri 30 Jan in Brussels right before FOSDEM. Come help us save the Federation from Big Silo that wants to take over the world!
matrix.org/blog/2025/12...
We organize a hackathon on Fri 30 Jan in Brussels right before FOSDEM. Come help us save the Federation from Big Silo that wants to take over the world!
matrix.org/blog/2025/12...
Find us at FOSDEM
Matrix, the open protocol for secure decentralised communications
matrix.org
December 5, 2025 at 9:21 AM
⌨️ Don't miss your chance to team up with people and scratch your Matrix itch!
We organize a hackathon on Fri 30 Jan in Brussels right before FOSDEM. Come help us save the Federation from Big Silo that wants to take over the world!
matrix.org/blog/2025/12...
We organize a hackathon on Fri 30 Jan in Brussels right before FOSDEM. Come help us save the Federation from Big Silo that wants to take over the world!
matrix.org/blog/2025/12...
🧑🏫 This year again, we will have a massive presence at FOSDEM!
Between our hackathon on Friday, our booth during FOSDEM, and the Decentralised Comms Devroom on Sunday, you'll have plenty of opportunities to meet the team and get involved!
matrix.org/blog/2025/12...
Between our hackathon on Friday, our booth during FOSDEM, and the Decentralised Comms Devroom on Sunday, you'll have plenty of opportunities to meet the team and get involved!
matrix.org/blog/2025/12...
Find us at FOSDEM
Matrix, the open protocol for secure decentralised communications
matrix.org
December 4, 2025 at 12:29 PM
🧑🏫 This year again, we will have a massive presence at FOSDEM!
Between our hackathon on Friday, our booth during FOSDEM, and the Decentralised Comms Devroom on Sunday, you'll have plenty of opportunities to meet the team and get involved!
matrix.org/blog/2025/12...
Between our hackathon on Friday, our booth during FOSDEM, and the Decentralised Comms Devroom on Sunday, you'll have plenty of opportunities to meet the team and get involved!
matrix.org/blog/2025/12...
Hot off the press in TWIM! 🔥 🧯
The public hosted slack bridge is being retired, Draupnir gains previews for Policy Room Subscriptions, Synapse dropping Postgres 13 support.
That and more happened This Week in Matrix!
Check it out at matrix.org/blog/2025/11... !
The public hosted slack bridge is being retired, Draupnir gains previews for Policy Room Subscriptions, Synapse dropping Postgres 13 support.
That and more happened This Week in Matrix!
Check it out at matrix.org/blog/2025/11... !
This Week in Matrix 2025-11-28
Matrix, the open protocol for secure decentralised communications
matrix.org
November 28, 2025 at 7:05 PM
Hot off the press in TWIM! 🔥 🧯
The public hosted slack bridge is being retired, Draupnir gains previews for Policy Room Subscriptions, Synapse dropping Postgres 13 support.
That and more happened This Week in Matrix!
Check it out at matrix.org/blog/2025/11... !
The public hosted slack bridge is being retired, Draupnir gains previews for Policy Room Subscriptions, Synapse dropping Postgres 13 support.
That and more happened This Week in Matrix!
Check it out at matrix.org/blog/2025/11... !
Decentralization is more than code. It’s governance, resilience, and community.
If you’re building something that empowers users, we want to hear from you at the Decentralised Communication devroom.
Submit your proposal before Sunday night!
fosdem.org/submit
#FOSDEM #CommunityTech
If you’re building something that empowers users, we want to hear from you at the Decentralised Communication devroom.
Submit your proposal before Sunday night!
fosdem.org/submit
#FOSDEM #CommunityTech
FOSDEM 2026
Schedule, talks and talk submissions for FOSDEM 2026
fosdem.org
November 28, 2025 at 8:55 AM
Decentralization is more than code. It’s governance, resilience, and community.
If you’re building something that empowers users, we want to hear from you at the Decentralised Communication devroom.
Submit your proposal before Sunday night!
fosdem.org/submit
#FOSDEM #CommunityTech
If you’re building something that empowers users, we want to hear from you at the Decentralised Communication devroom.
Submit your proposal before Sunday night!
fosdem.org/submit
#FOSDEM #CommunityTech
Love building things that don’t rely on a single platform? So do we.
Bring your ideas, your experiments, your victories (and failures!) to the Decentralised Communication devroom.
Our CfP is open until the end of the week, be quick!
fosdem.org/submit
#FOSDEM #decentralization #standards
Bring your ideas, your experiments, your victories (and failures!) to the Decentralised Communication devroom.
Our CfP is open until the end of the week, be quick!
fosdem.org/submit
#FOSDEM #decentralization #standards
FOSDEM 2026
Schedule, talks and talk submissions for FOSDEM 2026
fosdem.org
November 27, 2025 at 9:26 AM
Love building things that don’t rely on a single platform? So do we.
Bring your ideas, your experiments, your victories (and failures!) to the Decentralised Communication devroom.
Our CfP is open until the end of the week, be quick!
fosdem.org/submit
#FOSDEM #decentralization #standards
Bring your ideas, your experiments, your victories (and failures!) to the Decentralised Communication devroom.
Our CfP is open until the end of the week, be quick!
fosdem.org/submit
#FOSDEM #decentralization #standards
Developers, researchers, protocol nerds: the Decentralized Communication devroom at FOSDEM wants YOU!
Got something to share about federated systems, p2p protocols, self-sovereign tech, or resilient comms?
Submit your proposal now, our CfP ends on Sunday!
#FOSDEM #Decentralized #Federation
Got something to share about federated systems, p2p protocols, self-sovereign tech, or resilient comms?
Submit your proposal now, our CfP ends on Sunday!
#FOSDEM #Decentralized #Federation
November 25, 2025 at 8:11 AM
Developers, researchers, protocol nerds: the Decentralized Communication devroom at FOSDEM wants YOU!
Got something to share about federated systems, p2p protocols, self-sovereign tech, or resilient comms?
Submit your proposal now, our CfP ends on Sunday!
#FOSDEM #Decentralized #Federation
Got something to share about federated systems, p2p protocols, self-sovereign tech, or resilient comms?
Submit your proposal now, our CfP ends on Sunday!
#FOSDEM #Decentralized #Federation