Owner

project-chip

10 indexed repositories · View on GitHub

connectedhomeip
Matter (formerly Project CHIP) creates more connections between more objects, simplifying development for manufacturers and increasing co...

C++ · 8950 stars
rs-matter
Rust implementation of the Matter protocol.

Rust · 582 stars
zap
ZAP stands for ZCL Advanced Platform. It is used to configure clusters, attributes and other entities for Matter and ZigbeePro applications.

ZAP · 170 stars
certification-tool
A test harness and tooling designed to simplify development, testing, and certification for devices, guided by the Connectivity Standards...

Shell · 82 stars
matter-handbook
This is the repository for the Matter Handbook, content is published at https://handbook.buildwithmatter.com

HTML · 29 stars
connectedhomeip-doc
Doxygen output from project-chip/connectedhomeip

HTML · 27 stars
matter-test-scripts
Test scripts related to Matter Certification

Python · 19 stars
certification-tool-backend
Backend code for the CSA Certification Harness and Tooling

Python · 12 stars
alchemy
Alchemy is a command line tool for modifying and transforming Matter spec documents.

Go · 10 stars
certification-tool-frontend
Frontend code for the CSA Certification Harness and Tooling

TypeScript · 6 stars

Beginner friendly Everything

Open All

camera-app: ProvideOffer is answered with a=setup:actpass, which an answer may not carry Open

bug cameras

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

project-chip/connectedhomeip#74310 · Opened Sep 19, 2026
[Microwave Oven Control] An explicit StartAfterSetting FALSE is rejected where omitting the field succeeds Open

Difficulty 4/5 3-5 days Newbie friendliness 65/100

project-chip/connectedhomeip#74309 · Opened Sep 19, 2026
[Operational Credentials] A device may advertise an ML-DSA DAC profile that 10.12 forbids, and the commissioner ignores it Open

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

project-chip/connectedhomeip#74308 · Opened Sep 19, 2026
[Push AV Stream Transport] MotionZones is required only for Motion, but the data model requires it for AmbientContext too Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#74307 · Opened Sep 19, 2026
[Group Key Management] A node reports Groupcast not adopted while GKM behaves as adopted, and a removed attribute is still generated Open

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

project-chip/connectedhomeip#74306 · 2 comments · Opened Sep 19, 2026
[Closure Dimension] The codegen XML still defaults Speed to Auto after the 1.7 spec removed that fallback Open

Difficulty 1/5 Under an hour Newbie friendliness 90/100

project-chip/connectedhomeip#74305 · Opened Sep 19, 2026
[BUG] [Crash Matter >=1.5] Process Abort When Writing DataVersion to a Disabled Endpoint Open

bug needs triage

Difficulty 3/5 1-2 days Newbie friendliness 66/100

project-chip/connectedhomeip#74304 · Opened Sep 19, 2026
[BUG] [Crash Matter >=1.5] Process Abort on Unexpected Message During Chunked List Write Open

bug needs triage

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

project-chip/connectedhomeip#74295 · Opened Sep 18, 2026
[CERT-TEST-FAILURE] TC-CNET-4.29 fails at Step 8 — TH cannot re-discover the DUT on the PDC operational network after ConnectNetwork Open

bug cert blocker needs triage

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

project-chip/connectedhomeip#74294 · 1 comment · Opened Sep 18, 2026
Add `Room Air Conditioner` device type to all-devices-app Open

gd-code-driven

project-chip/connectedhomeip#74293 · 1 assignee · Opened Sep 18, 2026
[CLI] Add commands to archive/unarchive a test run execution Open

CLI

project-chip/certification-tool#1120 · 1 assignee · Opened Sep 18, 2026
[CERT-TEST-FAILURE] TC-HSTAT-2.4 fails at Step 15 with InvalidCommand (0x85) for DisallowContinuous TestEventTrigger Open

bug cert blocker needs triage

project-chip/connectedhomeip#74292 · 1 comment · 2 assignees · Opened Sep 18, 2026
[TC-TSTAT-2.1] Yaml script has to be updated as per Test plan. Open

project-chip/matter-test-scripts#807 · 1 assignee · Opened Sep 18, 2026
[BUG] Identify.TriggerEffect does not validate EffectIdentifier: Reserved values answer SUCCESS and reach the delegate as kUnknownEnumValue Open

bug needs triage

Difficulty 3/5 1-2 days Newbie friendliness 74/100

project-chip/connectedhomeip#74288 · Opened Sep 18, 2026
Perf: end-of-test-case log replay + single end-of-run DB commit cause long tail latency on constrained hosts (e.g. Raspberry Pi) Open

Backend CLI Enhancement

project-chip/certification-tool#1119 · 1 assignee · Opened Sep 17, 2026
[BUG] data_model device-type XML: Alchemy drops Device Type Requirements tables (22 of 27) and Descriptor element requirements (3 of 4) Open

Difficulty 4/5 3-5 days Newbie friendliness 70/100

project-chip/connectedhomeip#74276 · Opened Sep 17, 2026
[nrf] Nordic nRF54L15 build failure — Zephyr SDK version mismatch between SDK source and NCS toolchain Open

needs triage platform

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

project-chip/connectedhomeip#74275 · Opened Sep 17, 2026
Alchemy and ZAP disagree on where attribute fabric-sensitivity lives in the XML Open

project-chip/connectedhomeip#74274 · 1 assignee · Opened Sep 17, 2026
[BUG] data_model vs zap-templates: per-element qualities, conformance and constraints diverge across ~26 clusters (revisions and privileges are clean) Open

darwin

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

project-chip/connectedhomeip#74273 · 1 comment · Opened Sep 17, 2026
[BUG] [1.6] [Fan][Air Purifier] FanControlCluster uses hardcoded percent thresholds for FanMode and does not correctly recalculate SpeedSetting based on SpeedMax Open

bug needs triage

Difficulty 4/5 3-5 days Newbie friendliness 68/100

project-chip/connectedhomeip#74272 · Opened Sep 17, 2026
[BUG] OffWithEffect in OnOffLightingCluster: EffectVariant unvalidated, reserved EffectIdentifier answers INVALID_COMMAND, and nothing is validated when GlobalSceneControl is FALSE Open

lighting

Difficulty 3/5 1-2 days Newbie friendliness 70/100

project-chip/connectedhomeip#74271 · Opened Sep 17, 2026
[BUG] SmokeCoAlarmCluster: seven nonVolatile attributes are not persisted, plus four state-machine defects Open

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

project-chip/connectedhomeip#74270 · Opened Sep 17, 2026
[BUG] LevelControlCluster (code-driven server) loses six Level Control behaviors the ember path implements Open

lighting

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

project-chip/connectedhomeip#74269 · 2 comments · Opened Sep 17, 2026
[Fabric Sync] The two XML sets disagree on EcosystemDeviceStruct, dynamic endpoint allocation has no policy in the core, and ROCW bypasses AdministratorCommissioningLogic Open

fabric-sync

Difficulty 5/5 Over a week Newbie friendliness 28/100

project-chip/connectedhomeip#74267 · Opened Sep 17, 2026
[Commissioner Control] The fabric half of §11.26.6.5 is missing from the delegate interface, Label's max 64 is unenforced, and the ROCW response precedes a discarded ScheduleLambda result Open

fabric-sync

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

project-chip/connectedhomeip#74266 · Opened Sep 17, 2026
Thermostat `AtomicRequest` BeginWrite received over a group session is accepted instead of returning INVALID_COMMAND Open

spec

Difficulty 3/5 1-2 days Newbie friendliness 72/100

project-chip/connectedhomeip#74265 · Opened Sep 17, 2026
[Closure Dimension] data_model 1.6 and 1.6.1 declare Resolution and StepValue with default="0.01" on a uint16 type Open

App Clusters: Closures Closures

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

project-chip/connectedhomeip#74264 · 1 comment · Opened Sep 17, 2026
[Valve Configuration and Control] RemainingDuration is OpenDuration-1 after Open, the closing-time Q trigger is unreachable, OpenValve can abort the device, and Open.TargetLevel is unbounded Open

Difficulty 4/5 3-5 days Newbie friendliness 65/100

project-chip/connectedhomeip#74263 · Opened Sep 17, 2026
[Device Types] 42 of 112 device types declare a bare <clusters> element, so disallowed clusters are unenforced, and the closure exclusion check is gated on a 1.5 revision Open

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

project-chip/connectedhomeip#74262 · Opened Sep 17, 2026
[Closure Dimension] The §5.5.4 association is a TODO, the delegate's status is flattened to FAILURE, and SetTarget/Step validate after commanding motion Open

App Clusters: Closures Closures

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

project-chip/connectedhomeip#74261 · Opened Sep 17, 2026
[Closure Control] MoveTo skips the already-at-target rule, rejects feature-gated values only after commanding motion, and CountdownTime has no reporting policy flags Open

App Clusters: Closures Closures

Difficulty 4/5 3-5 days Newbie friendliness 64/100

project-chip/connectedhomeip#74260 · Opened Sep 17, 2026
wifi_container image (and other TH images) still build on Ubuntu 22.04 instead of 24.04 Open

project-chip/certification-tool#1122 · 1 assignee · Opened Sep 16, 2026
WiFiContainer.start() silently reuses stale fixture config when the container is already running Open

project-chip/certification-tool#1121 · 1 assignee · Opened Sep 16, 2026
[Pump Configuration and Control] Example configs: chef pump declares featureMap 0 with a feature-gated default, N-quality attributes are ram, and pumpStatus boots as Running Open

hvac

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#74243 · Opened Sep 16, 2026
[Pump Configuration and Control] The remote-sensor branch is unreachable and only ever clears the Remote* bits, Effective* are never derived at init, and setEffectiveModes has three unchecked reads Open

hvac

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

project-chip/connectedhomeip#74242 · Opened Sep 16, 2026
[Fan Control] ApplyFanModeSideEffects hard-codes percent/speed pairs instead of applying the mandated formulas, and feature support is derived from attribute registration Open

thermostat

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

project-chip/connectedhomeip#74241 · Opened Sep 16, 2026
[Thermostat] The reference suggestions delegate diverges from §4.3.7/§4.3.8 on four steps, and two §4.3 SHALLs are enforced nowhere Open

thermostat

Difficulty 4/5 3-5 days Newbie friendliness 52/100

project-chip/connectedhomeip#74240 · Opened Sep 16, 2026
[Thermostat] LocalTemperatureChange has neither the 60-second floor nor a significance filter, two event generators have no callers, and SetpointChange emits the OCC-gated field without OCC Open

thermostat

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

project-chip/connectedhomeip#74239 · Opened Sep 16, 2026
[Thermostat] SetActivePresetRequest stores the handle and never adjusts the setpoints, so the device reports a preset it is not running Open

thermostat

Difficulty 4/5 3-5 days Newbie friendliness 56/100

project-chip/connectedhomeip#74238 · Opened Sep 16, 2026
[Thermostat] SystemMode ignores ControlSequenceOfOperation, three preset uniqueness rules are unenforced, SetpointHoldExpiryTimestamp is never maintained, and the deprecated-attribute shim aliases endpoints Open

thermostat

Difficulty 5/5 Over a week Newbie friendliness 45/100

project-chip/connectedhomeip#74237 · Opened Sep 16, 2026
[Energy Preference] Persisted index restored without re-bounding, and TC_EPREF_2_1 checks the wrong list for the LPMS ordering rule Open

Energy Management

Difficulty 4/5 3-5 days Newbie friendliness 72/100

project-chip/connectedhomeip#74235 · Opened Sep 16, 2026
[Device Energy Management] kRevision is a bare 5 while data_model/1.6 says 4 — the rev-5 elements are provisional but the revision bump is not Open

Energy Management

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

project-chip/connectedhomeip#74234 · Opened Sep 16, 2026
[Device Energy Management] A second PauseRequest shortens the pause instead of extending it, and the Pause/Resume doc comments name FA instead of PAU Open

Energy Management

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

project-chip/connectedhomeip#74233 · Opened Sep 16, 2026
[Device Energy Management] Forecast is reported wholesale with no 10-second floor, and RemainingSlotTime is never advanced at all Open

Energy Management

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

project-chip/connectedhomeip#74232 · Opened Sep 16, 2026
[Device Energy Management] The reusable cluster emits no events, and the §9.2.8.8 opt-out cascade is an unfinished TODO in the example app Open

Energy Management

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

project-chip/connectedhomeip#74231 · Opened Sep 16, 2026
[Device Energy Management] Three command outcomes map to the wrong status, one of which reports a legitimate ESA refusal as a malformed request Open

Energy Management

Difficulty 3/5 1-2 days Newbie friendliness 72/100

project-chip/connectedhomeip#74230 · Opened Sep 16, 2026
[Device Energy Management] Peer-input validation: only constraints[0] is checked, two unguarded sums, adjacency rejected, three declared bounds unenforced Open

Energy Management

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

project-chip/connectedhomeip#74229 · Opened Sep 16, 2026
[Laundry Controls] LaundryWasherControls persists nothing while its sibling LaundryDryerControls persists — which is intended? Open

washers

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

project-chip/connectedhomeip#74227 · Opened Sep 16, 2026
[Energy EVSE] ChargingEnabledUntil defaults to null, which the delegate reads as charge-forever — the source carries a TODO saying so Open

energy evse

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#74226 · Opened Sep 16, 2026
[Energy EVSE] The §9.3.9 preconditions and the SupplyState/FaultState invariant live in the example delegate, and the mock reimplements them so the tests cannot see it Open

energy evse

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

project-chip/connectedhomeip#74225 · Opened Sep 16, 2026

Showing the newest 100

This page lists what was indexed most recently. Advanced filter has the whole inventory, narrowed by language, difficulty and how long a task takes.

Open advanced filter

project-chip

Showing the newest 100

Get new issues in your inbox