Unreal Engine Issues
Unreal Engine Issues
Drag and Drop Import option allows folders with space in name
UE - Editor - Content Pipeline - Import and Export - Jul 7, 2017By using the drag and drop import feature, users can import files that contain spaces in the name. This causes an error in the editor where files inside it cannot save because of the name. Renaming ...
Unhovered event occurs twice with 3D Widget when button is pressed and held
UE - Editor - UI Systems - Jul 21, 2017When using a 3D Widget that is a button when you press and hold a button and move off of the widget and let go of the mouse the engine registers a second unhovered event. Engine Version tested 4.1 ...
[CrashReport] Mac crash - UE4Editor-SlateCore.dylib!SWindow::IsVisible()
UE - Platform - Apple - Oct 12, 2017This is a trending Mac crash coming out of the 4.18 previews. Most of the project titles experiencing this crash mention "AR" It is the exact same callstack and crashgroup as [Link Removed], but th ...
Material reroute node does not work with WorldAlignedTextures_Complex Inputs
UE - Rendering - Architecture - Materials - Oct 24, 2017There is an issue occurring with the Material reroute node as it does not work with WorldAlignedTextures_Complex when plugging into inputs. This issue appears to be similar to [Link Removed]. This i ...
Datasmith Importer stalls Editor when importing large Rhino files
UE - Editor - Content Pipeline - Datasmith - Importer - Oct 15, 2018Importing large Rhino files will cause the Editor to stall during the import process for a long time. When testing the attached file the Editor stalled close to an hour with no results. The attached ...
Crash using VisualizeTexture command with texture id
UE - Graphics Features - Jul 1, 2019Crash always occurs when executing Visualize Texture Command with Texture id. Looks like GVisualizeTexture.Mode doesn't affect correctly. Workaround: VisualizeTexturePresent.cpp FVisualizeText ...
Cloth jitters in Movie Render Queue renders when temporal sampling is enabled
UE - Anim - Sequencer - MRQ - Dec 6, 2022The Cloth simulation time step smoothing is interfering with the substepping fix for multi Temporal Samples by changing the very variable DeltaTime and causing some large errors in the cloth simulat ...
[Debug Tools][Crash] - Enabling au.editor.ForceAudioNonStreaming causes editor to crash the next time the user PIEs
UE - Audio - May 31, 2022Encountered while going through some debug commands. Repro 3/3. Crash Reporter Link: [Link Removed]Assertion failed: ChunkIndex != 0 [File:E:\User\Engine\Source\Runtime\Engine\Private\AudioStreaming ...
In-Memory replay checkpoints incorrectly deleted when stream length is less than TimeBufferHintSeconds
UE - Networking - Mar 18, 2024The buffer start time is calculated by subtracting the TimeBufferHintSeconds from the stream length: const uint32 BufferStartTimeMS = UE::LWC::FloatToIntCastChecked<uint32>(FoundReplay->StreamInfo.L ...
VT Material Instance Crash - "ProducerDesc.BlockHeightInTiles << MipBias == BlockHeightInTiles"
UE - Graphics Features - Oct 4, 2021Assertion failed: ProducerDesc.BlockHeightInTiles << MipBias == BlockHeightInTiles [Link Removed] [Line: 229] ...