element-hq/dendrite

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Dendrite is a second-generation Matrix homeserver written in Go!

Stars: 965
Forks: 101
Open beginner issues: 0
Indexed issues: 232

Dominant language: Go
License: AGPL-3.0
Last GitHub push: May 20, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

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232 open issues indexed

More efficient query of if server can see event Open

C-Roomserver T-Task X-Performance

element-hq/dendrite#215 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Check room alias isn't taken when creating new room Open

C-Client-API S-Tolerable T-Defect

element-hq/dendrite#269 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
FInd more efficient way to check room memberships for appservices Open

C-App-Services T-Task X-Performance

element-hq/dendrite#468 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Send typing EDUs to application services Open

C-App-Services C-Client-API T-Defect

element-hq/dendrite#578 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement filtering Open

are-we-synapse-yet C-Sync-API good first issue T-Enhancement

element-hq/dendrite#587 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement missing media APIs Open

C-Media-API new-endpoints T-Enhancement

element-hq/dendrite#621 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Special case /register for application services Open

C-App-Services C-Client-API good first issue spec-compliance T-Enhancement

element-hq/dendrite#630 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement Third Party Lookups Open

are-we-synapse-yet C-App-Services new-endpoints T-Enhancement

element-hq/dendrite#633 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Dendrite needs to care about login flow ordering Open

C-Client-API good first issue spec-compliance T-Defect

element-hq/dendrite#708 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Refactor *Updater structs in roomserver Open

C-Roomserver T-Task

element-hq/dendrite#890 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Refactor and add unit tests for roomserver/query/query.go Open

C-Roomserver T-Task tests

element-hq/dendrite#929 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
syncserver: double-check backfills for duplicates Open

C-Sync-API T-Defect

element-hq/dendrite#932 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Assertions needed to catch zero NIDs Open

C-Roomserver T-Defect

element-hq/dendrite#955 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Move db-level SQL statements to the file which implements the storage interface Open

good first issue T-Task

element-hq/dendrite#963 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
We should not use depth in the sync API Open

C-Sync-API T-Defect X-Needs-Discussion

element-hq/dendrite#967 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Inform syncapi about holes in DAGs Open

C-Roomserver C-Sync-API T-Defect X-Needs-Discussion

element-hq/dendrite#1006 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Caching design Open

design:scaling T-Task X-Fix-With-Monolith X-Needs-Discussion X-Performance

element-hq/dendrite#1102 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Much of eventutil should be in gomatrixserverlib Open

T-Task

element-hq/dendrite#1123 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Updating latest events is sensitive to event ordering Open

C-Roomserver T-Task X-Needs-Discussion

element-hq/dendrite#1170 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Problems when hitting max parameter count in SQLite Open

C-SQLite T-Defect

element-hq/dendrite#1223 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Quality of Service Open

long term T-Enhancement X-Performance

element-hq/dendrite#1280 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement SSO for logins Open

are-we-synapse-yet C-Client-API F-Registration long term T-Enhancement

element-hq/dendrite#1297 · 34 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement registering with an email support Open

are-we-synapse-yet C-Client-API F-Registration T-Enhancement

element-hq/dendrite#1298 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Fix registration sytests Open

are-we-synapse-yet C-Client-API F-Registration help wanted T-Defect

element-hq/dendrite#1300 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement failing media API tests Open

are-we-synapse-yet C-Media-API T-Enhancement

element-hq/dendrite#1303 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Remaining room upgrade tests Open

are-we-synapse-yet help wanted T-Enhancement

element-hq/dendrite#1304 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Reject rooms v6 invites with invalid JSON Open

are-we-synapse-yet help wanted T-Defect

element-hq/dendrite#1313 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Expire ephemeral events Open

are-we-synapse-yet help wanted T-Enhancement

element-hq/dendrite#1319 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement account erasure Open

are-we-synapse-yet C-Federation T-Enhancement

element-hq/dendrite#1321 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement archived rooms Open

are-we-synapse-yet C-Client-API T-Enhancement

element-hq/dendrite#1323 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Fix failing /sync tests Open

are-we-synapse-yet C-Sync-API help wanted T-Defect

element-hq/dendrite#1324 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement missing user directory features Open

are-we-synapse-yet C-Client-API help wanted T-Defect

element-hq/dendrite#1330 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add tests for state snapshot/block/groups Open

C-Roomserver T-Task tests

element-hq/dendrite#1359 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Room version and NID caches should be replaced with RoomInfo caches Open

C-Roomserver T-Task X-Fix-With-Monolith X-Performance

element-hq/dendrite#1433 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Refactor cross-boundary error handling Open

C-Polylith T-Task X-Fix-With-Monolith

element-hq/dendrite#1441 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Move to jsoniter Open

T-Task X-Performance

element-hq/dendrite#1467 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Move to zerolog Open

good first issue T-Task X-Performance

element-hq/dendrite#1468 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Hitting /profile after receiving a membership event races Open

C-Client-API T-Defect X-Needs-Info

element-hq/dendrite#1489 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement sending ephemeral events to appservices (MSC2409) Open

C-App-Services long term T-Enhancement

element-hq/dendrite#1566 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Implement QoS measures Open

design:components security T-Task X-Needs-Discussion

element-hq/dendrite#1622 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Profile updates (avatar/display name) occasionally clobber other profile elements Open

C-Client-API T-Defect

element-hq/dendrite#1658 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Left from room after changing profile Open

C-Federation T-Defect

element-hq/dendrite#1662 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Device list updates can cause tremendous federation traffic Open

C-Federation T-Task X-Performance

element-hq/dendrite#1663 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Access forbidden when trying to access `/_matrix/client/r0/account/whoami` as an AS user Open

C-App-Services C-Client-API T-Defect

element-hq/dendrite#1674 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
appserviceIsInterestedInEvent should be cached Open

C-App-Services T-Task X-Performance

element-hq/dendrite#1682 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Regenerate thumnails if they can't be found in media store Open

C-Media-API T-Defect

element-hq/dendrite#1693 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
We might fetch missing events over federation from before the server joined the room Open

C-Federation T-Defect

element-hq/dendrite#1697 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Migration process from Synapse Open

long term T-Other

element-hq/dendrite#1705 · 20 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Dendrite crashed, failing to start now with a 'duplicate key' error. Open

C-Sync-API T-Defect

element-hq/dendrite#1725 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
MSC2448: Blurhash Open

experimental T-Enhancement

element-hq/dendrite#1735 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026

element-hq/dendrite

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