Unreal Engine Issues
Unreal Engine Issues
Texture Artifacts on Cubemaps using Default Compression when Packaged for ASTC
UE - Platform - Mobile - Oct 26, 2016Cubemaps using Default texture compression (DXT1) and packaged for Android ASTC will render with artifacts on the seams where the DDS cubemap was stitched together. "Cubemaps set to HDR/HDR compre ...
Crash: Direct3DDevice->CreateBuffer failed at D3D11VertexBuffer.cpp with error E_INVALIDARG
UE - Graphics Features - Jul 6, 2017This is a common crash affecting users since at least the 4.14 release. It was previously associated with [Link Removed], however that has been marked as fixed. Source Context 221 void Veri ...
[CrashReport] UE4Editor_ClassViewer!TBaseMulticastDelegate<void>::RemoveDelegateInstance() [delegatesignatureimpl.inl:970]
Tools - Jul 14, 2017This is a common crash affecting users on Windows and Linux. It also appears related to an older Mac crash ([Link Removed]). Users have not provided any new descriptions. Source Context 959 ...
[CrashReport] Crash trying to destroy an uber graph frame because the RawPointer is still set
UE - Gameplay - Blueprint - Jul 21, 2017This is a trending crash in the 4.17 Preview. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2408 uint8 *Data = (uint8*)Dest; 2409 ...
[CrashReport] UE4Editor_CoreUObject!FMemoryWriter::Serialize() [memorywriter.h:42]
UE - Foundation - Core - Jul 24, 2017This is a common cook crash affecting users in 4.16. It is possibly the same issue as described in [Link Removed] for past engine versions. Source Context 33 virtual void Serialize(void* ...
Favorites category in the Palette Panel of a Widget is no longer appearing
UE - AI Workflows - UI Systems - UMG - May 26, 2023This is not a regression tested in //UE5/Release-5.1 CL23901901 When Favoriting a Component from the Palette panel of a Widget the Favorites category appears then disappears. For the brief moment i ...
Cook Warning "Saving FText which has been initialized from FString" when a user-defined BP structure contains a native C++ struct with an FText
UE - Framework - Blueprint - Sep 23, 2025Consider a C++ struct containing an FText. Now consider a used-defined BP structure containing that C++ struct. When cooking an asset that references such a user-defined BP structure, the following ...
Event Dispatchers do not update references when renamed
UE - Gameplay - Blueprint - Feb 23, 2016Event Dispatchers do not update event references when renamed if the green "+" is used to add the event in the Details Pane of an actor component. Note: Event Dispatchers appear to rename normally ...
Removing Pose from Blend by Enum causes compile error with float defining blend time
OLD - Anim - Sep 16, 2015Removing Pose from a Blend by Enum node can cause compile errors when a float is defining all of the blend times. ...
Compiler error on indirect blueprint component references when change is made to actorcomponent
UE - Gameplay - Components - Jul 10, 2015When blueprints associated with the actorcomponent are open and changes are made to the actorcomponent, once it's compiled there are compiler errors on the indirect blueprints. ...