https://devzone.nordicsemi.com/f/nordic-q-a/128007/matter-concentration-measurement-cluster-issueHello, I am trying to add different ConcentrationMeasurement cluster types to my application (CarbonDioxide, VOC, Pm1, etc.) but have an issue with zap-gui not saving the feature flags for the attributes in these clusters. If I enable any feature flagen-USTelligent Community 13Mon, 04 May 2026 07:10:56 GMThttps://devzone.nordicsemi.com/thread/565802?ContentTypeID=1Mon, 04 May 2026 07:10:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2c3556a5-924c-4fba-9f51-2315bf9b3069Susheel Nuguru<p>Thanks for coming back and completing this thread with a steps you took to solve this.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/565793?ContentTypeID=1Mon, 04 May 2026 01:36:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5ae6951c-9635-47eb-bc43-e093ef579799Patrick<p>I may have jumped the gun a little in creating this ticket. After making the following changes the device operates as expected. Unfortunately, I changed everything at once and do not know what actually resolved the issue.</p> <ol> <li>Initialize the clusters in the matter work queue.&nbsp;<span style="color:#000000;white-space:pre;">chip::DeviceLayer::PlatformMgr().ScheduleWork([] (intptr_t) { mInstance-&gt;Init(); });</span></li> <li><span style="color:#000000;white-space:pre;">Add and initialize the Air Quality cluster.</span></li> <li><span style="color:#000000;white-space:pre;">Add and initialize an identify cluster for the endpoint.</span></li> </ol><div style="clear:both;"></div>