An exciting Postgres detective story, the Matrix Community Summit next week in Berlin, and the Matrix-based TI-Messenger available to those with German health insurance - this and more happened This Week in Matrix! Get the fresh report on the blog:

This Week in Matrix 2025-07-25

Matrix, the open protocol for secure decentralised communications

Here's the full postmortem of the nightmare postgres corruption on matrix.org which caused room corruption over the last few weeks:

How we discovered, and recovered from, Postgres corruption on the matrix.org homeserver

Matrix, the open protocol for secure decentralised communications

We'd like to apologise to everyone who got bitten by the incident.

An update to the upcoming security release, vodozemac Python bindings updated, and automated accessibility audits — read all about what's new This Week in Matrix!

This Week in Matrix 2025-07-18

Matrix, the open protocol for secure decentralised communications

IMPORTANT: We're pre-disclosing two high severity CVEs in Matrix's federation protocol, which will require a coordinated upgrade on July 22nd of all servers running in untrusted federations. Client developers may need to make minor changes too. Please see

Pre-disclosure: Upcoming coordinated security fix for all Matrix server implementations

Matrix, the open protocol for secure decentralised communications

New room versions on the horizon, Element Call turning your phone into a... phone? and your choice out of 536,558 (over half a million!?!) different individual community summit T-shirts - that and so much more happened this week in Matrix!

This Week in Matrix 2025-07-11

Matrix, the open protocol for secure decentralised communications

You can now find the latest details about the Matrix Conf 2025 on our new website 🥳 Last year, more than 200 people attended in Berlin (we were totally sold out!) and this year, we’re taking the conference to new heights in Strasbourg! Check out the website for more information about: 🎟️ Purchasing a ticket 🎉 Grabbing the last sponsorship package 💪 Volunteering for a free ticket (and a limited edition zipper hoodie)

The Matrix Conference

Come along to see the latest and greatest progress in the Matrix world! From huge government deployments to the latest innovations, hang out with y...