Bug fixes

• Fixed an issue which could cause Dendrite to crash on startup if the room state lacked a create event.

Bug fixes

• Fixed an issue which could cause Dendrite to become unresponsive for minutes at a time. (contributed by viviicat)
• Fixed an issue which prevented joining v12 rooms in some circumstances.
• Fixed an issue which prevented sending invites to v12 rooms.
• Fixed an issue which prevented some clients from syncing v12 rooms.
• Fixed an issue where a single badly formed PDU would block entire transactions of PDUs being processed. See element-hq/synapse#7543 for the related issue on Synapse.

⚠ Important

This is a security release, adding support for room version 12.

Features

• Add support for MSC4163.
• Add support for MSC3967.
• Add support for room version 12.

Bug fixes

• Refactored NATS JetStream code to gracefully handle more potential errors. (contributed by neilalexander)
• Refactored NATS startup and readiness checking. (contributed by neilalexander)
• Updated NATS to 2.11.7. (contributed by neilalexander)
• Fixed an issue which could cause Dendrite to become unresponsive for minutes at a time. (contributed by viviicat)
• Order events when backfilling to reduce the amount of unecessary /state_ids requests.
• Gracefully handle incorrect sync filter JSON.
• Fixed an issue which prevented device deletion working correctly. (contributed by robinsdan)

⚠ Important

This is a security release, gomatrixserverlib was vulnerable to server-side request forgery, serving content from a private network it can access, under certain conditions.

Upgrading to this version is highly recommended.

Security

• Support for blocking access to certain networks, fixing CVE-2024-52594 and GHSA-4ff6-858j-r822

Fixes

• Speed-up loading server ACLs on startup, this is mostly noticeable on larger instances with many rooms.

Dendrite Matrix Homeserver

This is the first release after forking matrix-org/dendrite, this repository is now licensed under AGPLv3.0.

Upgrading to this version is highly recommended, as it fixes several long-standing bugs which could lead to state resets.
It also improves performance and memory usage.

Features

• The required Go version to build Dendrite is now 1.22
• Support for listening and connecting to I2P and Onion services was added (contributed by eyedeekay)
• Add via parameter on join room requests as per MSC4156 (contributed by Johennes)
• Support for fallback keys has been added (contributed by neilalexander)
• Dendrite now supports MSC4225
• Updated dependencies
  • Internal NATS Server has been updated from v2.10.20 to v2.10.23 (contributed by neilalexander)
  • gomatrixserverlib has been updated, which includes several performance improvements

Fixes

• Correctly respond to OPTIONS requests on authed media endpoints (contributed by arenekosreal)
• A long-standing bug which could lead to state resets has been fixed (contributed by neilalexander)
  • Note: While state resets should happen less frequently, they are still part of the Matrix protocol, so they are not entirely fixed.
  • Also, rooms which have been utterly broken may take some time to reconcile, it may be worth to leave, purge and rejoin such rooms.

Dendrite Matrix Homeserver