Unreal Engine Issues

Regression: "Object Position" node in Light Function materials did not compile up to UE 5.0. Starting with 5.1, it compiles but outputs garbage values

Up to UE 5.0, when the "Object Position" node is used in the Material Editor as part of a material with Light Function domain, attempting to compile the material results in the following error: "[SM ...

DefaultSceneRoot causes Get Actor Bounds to Return 128

When using the Default Scene Root component in a blueprint with no additional components, the box extent of the Get Actor Bounds node is returning 128,128,128 instead of the expected 0,0,0. If you ...

Unable to compile script plugins against 4.16.0

A bug in UBT is preventing the authors of SkookumScript from submitting their 4.16 plugin to the marketplace. ...

Vive Trackpad X and Y always return 0

Platform-specific input for pad axis in 4.24 leads to missing value in VIVE. in 4.23.1 this is not reproduced. ...

[CrashReport] UE4Editor_CoreUObject!FCompressedChunk::FCompressedChunk()

This is a common crash affecting users in 4.16 and the 4.17 Previews. The two descriptions provided by users say their crash occurred after updating their project from 4.13. User DescriptionsUpgra ...

Packaging with Nativize Blueprint Assets Causes Uninitialized Defaults

If you use "Set Array Elem" on a vector array but leave "Item" at the default value of (0,0,0) then you'll end up using a temporary uninitialised vector instead of (0,0,0) when it's nativized. Work ...

[CrashReport] UE4Editor_CoreUObject!FLinkerPlaceholderObjectImpl::FindRawPlaceholderContainer() [linkerplaceholderbase.cpp:161]

This is currently among the top 10 crashes coming out of the 4.17.2 hotfix, affecting a few unique users, and this specific callstack does not appear to have occurred in 4.17.1. This may be a regres ...

Crash when quick binding a function in a class that extends LevelSequenceDirector

The purpose was to create a Level Sequence Director inheritance class so that the same event could be reused in multiple sequencers. Attempting to quick-bind this base Level Sequence Director event ...

[CrashReport] UE4Editor_Engine!UAssetImportData::ExtractFilenames() [assetimportdata.cpp:156]

This is a common crash affecting users in 4.17 and 4.18. User DescriptionsI wasn't able to get my UCX collision to import. Clicked the yellow "return" arrow next to the asset import settings option ...

Post processing bloom threshold activates when the threshold is >0 instead of >-1.