Matter Survey

Community-driven database of Matter device capabilities

The Software Diagnostics cluster (0x0034) is a Matter cluster that Reports software-related diagnostics including memory usage and thread metrics.. It defines 1 command and 4 attributes and is mandatory for 1 device type.

Last updated 25 Aug 2026

Software Diagnostics 0x0034

Global Cluster

Utility

Introduced in: Matter 1.0

Devices: 203

Reports software-related diagnostics including memory usage and thread metrics.

Spec History

This cluster's ClusterRevision across the Matter releases it has shipped in. Click a version to inspect the cluster as it existed in that release.

Matter 1.0 Matter 1.1 Matter 1.2 Matter 1.3 Matter 1.4 rev 1 Matter 1.5 rev 1 Matter master rev 1

Attributes 4

Commands 1

Features 1

Code	Name	Type	Flags
0x0000	ThreadMetrics	array	Optional
0x0001	CurrentHeapFree	int64u	Optional
0x0002	CurrentHeapUsed	int64u	Optional
0x0003	CurrentHeapHighWatermark	int64u	Optional

Code	Name	Direction	Parameters
0x00	ResetWatermarks Optional invoke: manage This command is used to reset the high watermarks for heap and stack memory.	client→server	None

Watermarks (WTRMRK) bit 0

Node makes available the metrics for high watermark related to memory consumption.

Device Types Using This Cluster

Device types in the Matter spec that reference this cluster

Optional Server

Devices Implementing This Cluster

203 devices in the survey implement this cluster

ANTELA Smart Plug

Square D Wifi Receptacle

Schneider Electric

Smart Mechanical Keyboard MK1

Matter On/off Plug-in Unit

Govee Neon Rope Light 2

Shenzhen Qianyan Technology

Aqara Light Switch H2

Shenzhen Qianyan Technology

Dendo SCM Matter Window Covering

Aqara Spatial Multi-Sensor FP400

Eve MotionBlinds

Eve Shutter Switch

Aqara Light Switch H2

Govee string lights

Shenzhen Qianyan Technology

Philips Smart TV

Top Victory Electronics

Govee Floor Lamp

Shenzhen Qianyan Technology

Anona Security Technology Limited

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