Unreal Engine Issues

Material Particle SubUV Sample does not work with Tex Object

The Particle SubUV Sample node uses its own texture object reference instead of the one provided by the texture object node. [Link Removed][https://epicprosupport.epicgames.com/sfc/servlet.shepherd ...

Crash When Loading Cooked Material Assets in Editor Due to Shader Serialization

In Unreal Engine 5.6+, the new shader serialization logic in FShaderMapResourceCode::Serialize does not correctly handle cooked assets that are loaded back into the editor (e.g., from a mounted .pak ...

BP Debugger: Unable to inspect debug data for ForEachLoop ArrayElement, Array_Get and Break Struct output pins

Context The blueprint debugger allows you to trigger breakpoints and inspect the current state of variables, both member variables, local variables and persistent UberGraph variables. Problem The ...

Heterogeneous Volume Actor causes ensures to trigger in Debug builds

When a heterogeneous volume actor is used with a volume material in a debug build, the following ensures are triggered: Ensure condition failed: UniformBufferValue || EnumHasAnyFlags(AutomaticallyBo ...

Adding pin to CR node causes crash if input variable is assigned to one of the array element

When a node has a variable assigned to one of its pins. You will get a crash every time you add a pin. I am sure this goes for all nodes with with the "add pin" functionality [Link Removed] ...

Missing PSO Precaches in the engine

A licensee wanted to report some missing PSO Precaching they found, which they have fixed locally: 1. UCableComponent doesn't implement CollectPSOPrecacheData or call CheckPSOPrecachingAndBoostPri ...

Objects are culled prematurely in the right eye

HighResShot Alpha always 255

Expected behavior is that screenshot alpha should be 0 for pixels that did not have anything rendered into them. ...

LWC Function Usage View Mode shows unchanging results for Nanite meshes with different LWC usage

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bIncludeComponentLocationIntoBounds breaks bounds calculations

Bounds generation when bIncludeComponentLocationIntoBounds is active is broken. Both the calculation of the local bounds and the world bounds are incorrect (see screenshot). When that flag is acti ...