Unreal Engine Issues

Blueprint macro in a level blueprint causes memory leak

The level blueprint has a macro that references a level. FBlueprintNodeTemplateCache keeps holding this cashe at transition level. Unable to find source-code formatter for language: text. Available ...

[CrashReport] UE4Editor_Renderer!FMaterialShader::VerifyExpressionAndShaderMaps() [shaderbaseclasses.cpp:148]

This is a common crash occurring in the 4.16 release. It is spread out across many different CrashGroups with slight variations in Callstack. Additional information is not available at this time. ...

Third Person Character Package imports with linker errors

I was able to encounter these errors on the latest binary for 4.25.3 when doing a repro for a salesforce ticket. Here is the customers description:When importing the C++ ThirdPersonCharacter package ...

[CrashReport] Linux crash - FScopeContext::FScopeContext()

This is a somewhat common Linux crash occurring in 4.17.2. (there are a few older records in 4.16.2 and 4.17.1 also, but most occur in 4.17.2) Callstack from Log[2017.10.04-14.49.42:768][ 2]LogFi ...

Crash on attempt to clear(NullifyInstance) of duplicated Hierachial Instanced Static Mesh

When creating an C++ Actor with a Hierarchical Instanced Static mesh. when duplicating such an actor with mesh instances, the instances are not visible on the level. In this state, calling HISM comp ...

FPackedRGBA16N is divide by 32768 twice in NEON/FPU

Failure packaging for Android with Configure for deployment to Daydream enabled

Found on: 4.15 Binary CL-3247232 Unable to package for android when Configure for deployment to Daydream is selected. (Packaging without it enabled succeeds even with the same other settings, but c ...

Classes in TargetDenyList modules are still referenced from Components on BlueprintGeneratedClasses and cause runtime warnings

Other than the presence of the error and the performance cost of looking for a package on disk that does not exist, there are no behavioral problems. When running with legacy (non-iostore) pakfiles ...

[CrashReport] Assertion failed: !bIsReentrant - UE4Editor-UnrealEd.dylib!SaveWorld()

This is a common crash on Mac in 4.16 and has occurred since at least 4.14. User DescriptionsI added a character to a blank map and tried to save it. Callstack from LogLogEditorViewport: Clicking ...

Cached component instance data transform did not match! Warnings in Content Examples

Lighting is unbuilt in all levels in Content Examples. Multiple warnings appear in the log "Discarding cached lighting data which will cause lighting to be unbuilt" LogStaticMesh:Warning: Cached co ...