Matrix Synapse

Version: 1.152.0
Required minimum memory: 512MB
Last updated 30 Apr 2026

Recent Changes

  • Update synapse to 1.152.0

  • Full Changelog

  • No significant changes since 1.152.0rc1.

  • For deployments using workers, please note that this version introduces a new quarantined_media_changes stream writer, which may require configuration changes.

  • Please see the the relevant section in the upgrade notes for details.

  • Without configuring this new stream writer, only the main process will be able to handle the /media/quarantine admin API endpoints for quarantining media.

This package only provides the Matrix backend. A variety of clients are available here. Riot is a popular web frontend for Matrix and is available as a separate app.

About

Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP.

Matrix specifies a set of pragmatic RESTful HTTP JSON APIs as an open standard, which handle:

  • Creating and managing fully distributed chat rooms with no single points of control or failure
  • Eventually-consistent cryptographically secure synchronisation of room state across a global open network of federated servers and services
  • Sending and receiving extensible messages in a room with (optional) end-to-end encryption[1]
  • Inviting, joining, leaving, kicking, banning room members
  • Managing user accounts (registration, login, logout)
  • Using 3rd Party IDs (3PIDs) such as email addresses, phone numbers, Facebook accounts to authenticate, identify and discover users on Matrix.
  • Placing 1:1 VoIP and Video calls

What is Synapse?

Synapse is a reference "homeserver" implementation of Matrix from the core development team at matrix.org, written in Python/Twisted.


Install Matrix Synapse in a few minutes on your server with Cloudron. To install Cloudron first, follow our setup steps.
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