matrix-org/matrix-js-sdk

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Matrix Client-Server SDK for JavaScript

Stars: 2.2k
Forks: 704
Open beginner issues: 0
Indexed issues: 239
Avg merge: 1d 20h
Merged PRs (30d): 40

Dominant language: TypeScript
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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239 open issues indexed

MSC1763 local retention is bypassed for events paginated into filtered timeline sets Open

T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 55/100

matrix-org/matrix-js-sdk#5481 · Opened Aug 13, 2026
Unclear tokenRefreshFunction documentation leads to errors and potential deadlocks Open

A-Documentation T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 42/100

matrix-org/matrix-js-sdk#5475 · Opened Aug 11, 2026
getExtendedProfileProperty() can return stale profile entries as it uses a cache without a TTL Open

A-Technical-Debt O-Frequent S-Minor T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 48/100

matrix-org/matrix-js-sdk#5402 · Opened Jul 7, 2026
matrix-js-sdk does not use the stable name for `state_after` Open

matrix-org/matrix-js-sdk#5362 · 2 comments · 1 assignee · Opened Jun 8, 2026
Allow set `extraHeaders` when calling `completeAuthorizationCodeGrant` Open

A-Developer-Experience O-Uncommon T-Enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

matrix-org/matrix-js-sdk#5259 · 1 comment · Opened Apr 2, 2026
After a refresh all expired sticky events get resurrected? Open

O-Occasional S-Major T-Defect

Difficulty 3/5 1-2 days Newbie friendliness 45/100

matrix-org/matrix-js-sdk#5206 · 1 comment · Opened Mar 3, 2026
Bug | Sticky event maps register several events for the same sticky key Open

O-Occasional S-Major T-Defect

Difficulty 3/5 1-2 days Newbie friendliness 45/100

matrix-org/matrix-js-sdk#5205 · 1 comment · Opened Mar 2, 2026
Null pointer crash in receiveSyncChanges via DehydratedDevices Open

A-Element-R O-Uncommon S-Critical T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#5187 · 1 comment · Opened Feb 11, 2026
Support for MSC4388 (part of 2025 version of MSC4108 Sign in with QR) Open

T-Task

Difficulty 4/5 3-5 days Newbie friendliness 38/100

matrix-org/matrix-js-sdk#5186 · 1 reaction · Opened Feb 9, 2026
Calling `initRustCrypto` Causes TypeError Open

A-Element-R O-Frequent S-Minor T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 38/100

matrix-org/matrix-js-sdk#5169 · 2 comments · Opened Jan 27, 2026
MSC4108 2024 version (Sign in with QR code): clock desynchronisation between client and homeserver causes rendezvous session to be immediately deleted and the login to fail Open

A-OIDC O-Uncommon S-Critical T-Defect

Difficulty 3/5 1-2 days Newbie friendliness 68/100

matrix-org/matrix-js-sdk#5141 · 5 comments · Opened Jan 13, 2026
Status message can't be cleared until client is restarted Open

A-Presence O-Occasional S-Minor T-Defect

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

matrix-org/matrix-js-sdk#5072 · Opened Nov 9, 2025
Inconsistent behavior with membership events in `state` for left rooms Open

O-Uncommon S-Minor T-Defect

Difficulty 3/5 1-2 days Newbie friendliness 42/100

matrix-org/matrix-js-sdk#5071 · 1 comment · Opened Nov 6, 2025
RoomMember powerLevel reset to 0 after sync reconnect Open

O-Uncommon S-Critical T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#5041 · 3 comments · Opened Oct 12, 2025
MatrixRTCSessionManager: Support arbitrarily many applications and slots Open

A-Developer-Experience A-VoIP T-Enhancement

Difficulty 5/5 Over a week Newbie friendliness 32/100

matrix-org/matrix-js-sdk#5035 · 1 reaction · Opened Oct 8, 2025
Add a general `NestedMap` solution to the sdk Open

A-Developer-Experience A-Technical-Debt T-Task

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#5033 · 1 comment · 1 reaction · Opened Oct 7, 2025
Check support for Matrix v1.16 and bump maximum supported version Open

T-Task

Difficulty 4/5 3-5 days Newbie friendliness 45/100

matrix-org/matrix-js-sdk#5014 · 2 comments · Opened Sep 18, 2025
Saving Sync Response Blocks Main Thread and Freezes UI Open

A-Performance O-Uncommon S-Major T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4961 · Opened Aug 14, 2025
drop support for `ICreateClientOpts.useAuthorizationHeader` Open

A-Developer-Experience A-Technical-Debt T-Task

Difficulty 3/5 1-2 days Newbie friendliness 45/100

matrix-org/matrix-js-sdk#4941 · Opened Jul 25, 2025
Chats are still presented after automated deletion of rooms (exists in different clients) Open

O-Uncommon S-Minor T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4915 · Opened Jul 10, 2025
Timelinesupport is not inherited from client Open

O-Uncommon S-Minor T-Defect

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

matrix-org/matrix-js-sdk#4880 · 3 comments · Opened Jun 18, 2025
Previous Sent Messages are Missing After Ignoring the User Open

A-Ignore O-Uncommon S-Minor T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 30/100

matrix-org/matrix-js-sdk#4864 · Opened Jun 6, 2025
Public room inconsistent invitation behavior after leaving. Open

O-Uncommon S-Minor T-Defect X-Needs-Investigation

Difficulty 4/5 3-5 days Newbie friendliness 45/100

matrix-org/matrix-js-sdk#4813 · 3 comments · Opened Apr 22, 2025
Sliding Sync RoomData overwrites notification counts Open

A-Notifications O-Occasional S-Minor T-Defect

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

matrix-org/matrix-js-sdk#4812 · 1 comment · Opened Apr 17, 2025
MatrixRTCSessionManager throws unknown room error on `m.room.create` event Open

O-Occasional S-Tolerable T-Defect

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

matrix-org/matrix-js-sdk#4808 · 2 comments · Opened Apr 16, 2025
Presence Status Reverts After Page Refresh Despite Correct Toggle State Open

A-Presence O-Occasional S-Minor T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 42/100

matrix-org/matrix-js-sdk#4791 · Opened Apr 9, 2025
Crypto store does not work on nodejs Open

A-E2EE O-Uncommon S-Major T-Defect

Difficulty 5/5 Over a week Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4769 · 4 comments · 8 reactions · Opened Mar 28, 2025
New MembershipManager simplification opportunities (Daves unaddressed feedback) Open

T-Task

Difficulty 5/5 Over a week Newbie friendliness 20/100

matrix-org/matrix-js-sdk#4743 · Opened Mar 7, 2025
`@matrix-org/matrix-sdk-crypto-wasm' does not provide an export named 'CollectStrategy'` when calling `client.initRustCrypto()` (Node) Open

O-Occasional S-Major T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4660 · 5 comments · Opened Jan 27, 2025
How to create a `MatrixClient` given a `loginResponse` Open

A-Documentation T-Task

Difficulty 3/5 1-2 days Newbie friendliness 38/100

matrix-org/matrix-js-sdk#4633 · 1 reaction · Opened Jan 20, 2025
VOIP example is broken Open

A-Documentation T-Task

Difficulty 3/5 1-2 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4630 · 1 comment · Opened Jan 19, 2025
Device list tracking is broken when using "full" syncs (using memory store) causing UTD's Open

A-E2EE O-Uncommon S-Major T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 38/100

matrix-org/matrix-js-sdk#4591 · 1 comment · Opened Dec 17, 2024
Support SQLite implementation for IStore Open

T-Other

Difficulty 5/5 Over a week Newbie friendliness 25/100

matrix-org/matrix-js-sdk#4570 · 5 comments · Opened Dec 3, 2024
`cryptoApi.isEncryptionEnabledInRoom` is slow in `decryption-failure-messages.spec.ts > decryption failure messages` Open

A-E2EE S-Major T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4557 · Opened Nov 26, 2024
Add an example of a client using E2EE Open

A-Developer-Experience A-Documentation O-Occasional S-Minor

Difficulty 3/5 1-2 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4535 · 1 comment · 7 reactions · Opened Nov 18, 2024
`MatrixClient.login` persists access token but not device ID, refresh token, etc Open

A-Developer-Experience O-Occasional S-Minor T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4502 · Opened Nov 6, 2024
Batching of requests from `KeyClaimManager.ensureSessionsForUsers()` Open

A-Element-R T-Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

matrix-org/matrix-js-sdk#4468 · Opened Oct 22, 2024
A simple example E2EE chat app with a recovery key. Open

A-Documentation T-Task

Difficulty 5/5 Over a week Newbie friendliness 25/100

matrix-org/matrix-js-sdk#4449 · 1 comment · 3 reactions · Opened Oct 15, 2024
Failing to read encrypted messages when integrating with Beeper Homeserver 🥲 Open

T-Other

Difficulty 5/5 Over a week Newbie friendliness 20/100

matrix-org/matrix-js-sdk#4360 · 2 comments · 1 reaction · Opened Aug 21, 2024
Export a proper public interface instead of a monolithic chunk Open

A-Developer-Experience T-Task

Difficulty 5/5 Over a week Newbie friendliness 25/100

matrix-org/matrix-js-sdk#4339 · 2 comments · Opened Aug 6, 2024
Delayed membership responses in /sync cause UTDs Open

A-E2EE O-Occasional S-Major T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4291 · 2 comments · Opened Jun 28, 2024
Check state key while parsing `m.call.member` state events. Open

O-Uncommon T-Task

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

matrix-org/matrix-js-sdk#4265 · Opened Jun 21, 2024
Indexed DB can have inconsistency in membership event content Open

T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4198 · 6 comments · Opened May 10, 2024
Add option for MatrixClient.initRustCrypto() to disable tracing Open

A-Developer-Experience A-Element-R T-Enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

matrix-org/matrix-js-sdk#4177 · 4 reactions · Opened Apr 26, 2024
getIgnoredUsers() only checks local cache and will often return wrong results Open

T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#4176 · Opened Apr 25, 2024
Unable to place Group call [audio] Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

matrix-org/matrix-js-sdk#4020 · Opened Jan 22, 2024
Rust crypto mini warts Open

A-Element-R T-Defect

Difficulty 4/5 3-5 days Newbie friendliness 38/100

matrix-org/matrix-js-sdk#3985 · 3 comments · Opened Jan 3, 2024
Relation event insertion breaks during backwards pagination if parent is on another page (if `supportsThreads: true`) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#3937 · Opened Dec 2, 2023
GroupCall/Conference example Open

A-Documentation

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matrix-org/matrix-js-sdk#3889 · 2 comments · Opened Nov 15, 2023
Typing Indicator Event for Room Admin Not Visible to Other Users Until Refresh or Relogin. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

matrix-org/matrix-js-sdk#3860 · 5 comments · Opened Nov 7, 2023

matrix-org/matrix-js-sdk

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