Unreal Engine Issues
Unreal Engine Issues
Crash compiling a blueprint after changing a TMap value from Vector to Vector4
UE - Foundation - Core - UObject - Jun 29, 2020REGRESSION: Issue does not occur in 4.24 Crash occurs when the user changes a blueprint TMap value from Vector to Vector4 and then compiles the blueprint. This seems to only occur with TMaps, as ...
Crash when attempting to deform a landscape when Paint Layer has not been used - Assertion failed: !TargetProxy->HasLayersContent() || !InCanUseEditingWeightmap || EditingLayerGUID.IsValid() [LandscapeEdit.cpp Line: 5252]
UE - LD & Modeling - Terrain - Landscape - Sep 9, 2020The editor crashes when attempting to draw a weight blended texture to the landscape if it hasnt been used on that landscape yet. This crash can be completely avoided if the stone texture is painted ...
Duplicate level collections not being respected by UGameEngine::NetworkRemapPath
UE - Networking - Jan 5, 2021When NetworkRemapPath was refactored in 4.26 to support replay connections via the rep graph, the check for duplicate level id on the driver was lost in the new code path. This causes the demo driv ...
Binding Input Actions to Shift+F results in no input being detected
UE - Gameplay - Input - Aug 19, 2021From my testing, it appears that Shift+F is not detected by the editor. If you map the input action to either F or Ctrl+F, they both work correctly, so it seems specific to the Shift+F keyboard comb ...
RGB/UINT10 HDR Format not using ST.2084
UE - Rendering Architecture - RHI - Aug 23, 2021Specification here: [Link Removed] Which is mirrored in engine in FD3D12DynamicRHI::Init (for example): [Image Removed] However, FWindowsPlatformMisc::ChooseHDRDeviceAndColorGamut always returns ...
Marketplace plugins "missing precompiled manifest" on Mac
UE - Platform - Apple - Oct 12, 2021Summary This issue was reported by a licensee via UDN. It appears that all of the plugins generate a "missing precompiled manifest" error when packaging a project on Mac in UE4.26.2.Licensee Platfor ...
Editor crashing with density scaling is enabled on foliage being placed on a terrain.
UE - World Creation - Worldbuilding Tools - Foliage - Jan 3, 2022Created a new level and added a terrain. Added grass foliage and enabled density scaling located in the grass foliage settings mode. After placing foliage on terrain, the editor crashes. This is ...
Movie Render Queue Renders Black Frames when MultiSample Effects Are Disabled
UE - Anim - Sequencer - MRQ - Apr 25, 2022Occurs 5/5 times. When 'Disable Multisampling Effect' is enabled, the Render Warm Up is set to 0, and the Custom Playback Range is set to a small value, frames render out fully black. Regression d ...
Composite Decorator Graph nodes are not updating titles when changes are made to the properties of a node
UE - AI - BehaviorTree - May 5, 2022Composite Decorator Graph nodes are not updating titles. Upon closing and reopening the Composite Decorator Graph, the nodes do refresh to their properly set title. Repro Rate: 3/3 Tested this in ...
Crash when enabling r.PSOPrecache.Resources due to check() in FSkeletalMeshObjectGPUSkin::GetUsedVertexFactoryData
UE - Rendering Architecture - Dec 3, 2024The game crashes because of a nullptr SkinnedMeshComponent in FSkeletalMeshObjectGPUSkin::GetUsedVertexFactoryData when r.PSOPrecache.Resources is enabled and a skeletal mesh is loaded due to a new ...