Unlit material now default?

ToreHolmem_AW

After upgrading to 2.2 all our integrated meshes that we stream in with the ArcGIS plugin to Unreal have unlit materials. Which breaks all our projects. 

1 - Why. Why was this implemented, what is this trying to achieve

2 - How do we fix it

MichaelBranscomb

Hi Tore,

Sorry to hear you've found what appears to be a behavior change. Couple of questions:

• Before updating to v2.2, were you using v2.1 (August 2025)?
• Does this only affect ArcGISIntegratedMeshLayer or do you see this for other layers too?
• Is the service you're using unlit?
• Do you see this in the editor or only in packaged projects/apps?
• Are you applying custom materials using the layer MaterialReference property?
• Are your projects failing to build/run or do they run and it is a visual difference?
• Can you provide a screenshot or video?
• Can you share details of the source service (if we can access)?

 

Thanks

 

Mike