Unreal Engine Issues

Material Function with Texture Size Texture Property will cause a Crash

By accessing the texture property for texture size will cause a crash. Attached image for material graph. Tested in: 4.10.4 Texture Size Texture Property did not exist 4.11.- CL-2927265 4.12 Dev ...

Spot Lights Do Not Cast Dynamic Shadows If "Support PointLight WholeSceneShadows" is disabled

If you disable "Support PointLight WholeSceneShadows" spotlights stop casting shadows. This is working as expected in 4.20 CL# 4369336. Found in 4.21 CL# 4753647 and 4.22 CL# 4809892 This is a reg ...

Stationary directional light per-object shadows not working with origin rebasing

Not 100% clear if this is a bug or expected behaviour, but raising it as it needs looking it. Can't see it as fixed elsewhere. Confirmed broken in 4.24 too. ...

Commonly used blueprint conversion functions should be promoted to top level category

Many useful blueprint utility nodes are buried in the Utility category and are not very discoverable by users. This leads to them choosing other nodes that are much less convenient and efficient. Th ...

Mentioning "_Validate" suffix in code comments to function names causes Compiler error

When mentioning the _Validate Suffix in code comment, Visual Studio compiler throws an error. ...

Lighting not rebuilding. SWARM: "Error: A 32 bit processes cannot access modules of a 64 bit process."

Bluerpint nativization failed for calling TMap::Find function of a map container with an enum type key

Followings are nodes in the repro project. [Image Removed] Here's a generated code of the BPvoid ANewBlueprint_C__pf1010915279::bpf__NewFunction_0__pf() { uint8 bpfv__CallFunc_GetInt_NewParam ...

When editing a Niagara module an error can occur if using non-module functions, even with a correctly set usage bitmask

When editing the module the call to FHlslNiagaraTranslator::HandleDataInterfaceCall has the usage "Module", so it treads the module as if that was its stack context, even though the module's usage b ...

Crash in ProceduralMeshComponent when building lighting

Crash on build in editor with UProceduralMeshComponent 4.8 p2 ...

Collapse All/Expand All not functioning as expected

This is only happening in the Editor Preferences/Project Settings. Hitting the Collapse All option removes everything and leaves the window blank where all of the settings were. Expand all brings th ...