https://freedom.tech/project/matrix-synapse/ Every Matrix Synapse release and update tracked by Freedom.Tech. en Freedom.Tech is a Foundation project. https://foundation.xyz Freedom.Tech, a Foundation project (https://foundation.xyz) https://freedom.tech/posts/2026-07-28-matrix-synapse-1-157-2/ https://freedom.tech/posts/2026-07-28-matrix-synapse-1-157-2/ Tue, 28 Jul 2026 13:37:55 GMT Synapse 1.157.2 patches six high-severity vulnerabilities affecting federated homeservers and those with untrusted local users https://freedom.tech/posts/2026-07-15-matrix-synapse-1-157/ https://freedom.tech/posts/2026-07-15-matrix-synapse-1-157/ Wed, 15 Jul 2026 16:50:39 GMT Removes deprecated MSC3861 experimental auth delegation; Check upgrade notes before deploying https://freedom.tech/posts/2026-06-16-matrix-synapse-1-155-0/ https://freedom.tech/posts/2026-06-16-matrix-synapse-1-155-0/ Tue, 16 Jun 2026 14:59:50 GMT Next release drops Debian 12 packages. Migrate before upgrading if on Bookworm https://freedom.tech/posts/2026-05-13-cve-2026-45076/ https://freedom.tech/posts/2026-05-13-cve-2026-45076/ Wed, 13 May 2026 13:49:38 GMT Synapse 1.152.1 fixes CPU starvation denial-of-service and pagination bugs affecting federated chat servers