Unreal Engine Issues
Unreal Engine Issues
TeleportTo result with Chaos is different from PhysX
UE - Simulation - Physics - Jun 25, 2021The result with Chaos is not wrong, rather it returns a correct correction vector, that vector is perfectly horizontal to the teleport buried against the landscape mesh. Therefore, teleportation wil ...
Expose light depth and position to Light Functions
UE - Graphics Features - Oct 14, 2019Users have requested that light depth and light position are made available to Light Function Materials.Light Depth We seem to be calculating the per-pixel distance from the light to the surface in ...
Gauntlet test warnings in QAGame Win64 Development BootTest
UE - Rendering Architecture - RHI - Sep 6, 2023QAGame Win64 Development BootTest: * Ensure: Ensure condition failed: oldValue == newValue [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Private\HAL\ThreadingBase.cpp] [Line: 311] oldVal ...
Prevent unnecessary rebuilds of windows resource files
UE - Foundation - Cpp Tools - UnrealBuildTool - Sep 20, 2023How Necessary are BUILT_FROM_CHANGELIST and BUILD_VERSION in Resource Files? We've been investigating ways to improve the speed of our iterative engine builds, and have found that the vast, vast maj ...
[CrashReport] UE4Editor_Engine!FTextureCacheDerivedDataWorker::BuildTexture() [texturederiveddata.cpp:772]
UE - Graphics Features - Feb 20, 2017Error message: Access violation - code c0000005 (first/second chance not available) Source Context:757 if (SourceMips.Num()) 758 { 759 FFormatNamedArguments Args; ...
Chaos Trailing Events not exposed to Blueprints and only accessible via Niagara Chaos DI
UE - Simulation - Visual - Apr 22, 2025Chaos Trailing Events not exposed to Blueprints and only accessible via Niagara Chaos DI. The licensee noticed that the Trailing event is not available to BPs. It's expected that the same data avail ...
Editor Utility Widgets: Asset creating nodes' output pins in uber graphs cause asset deletion warning
UE - Framework - Blueprint Runtime - Oct 8, 2024Editor Utility Widgets (EUW) can be used to script editor behavior. One use case is the automation of asset creation. A licensee has reported that when an EUW is used to create an asset, for as lon ...
In some situations, a Blueprint can become devoid of an Event Graph. While no graphs are present, multiple variables can be created with the same name.
UE - Framework - Blueprint Editor - Aug 26, 2024In some situations, a Blueprint can become devoid of an Event Graph, or be created without one from the start. For example, function "FKismetEditorUtilities::CreateBlueprint()" in UE 5.4 does not ca ...
Hot reload causes placed actor to lose variable references
UE - Foundation - Cpp Tools - Hot Reload - Nov 9, 2017Preforming a hot reload causes placed actors to lose code based variable settings. More repro steps: 1. Open UE4Editor.exe 2. Create a First Person Code project 3. Build the project for Developme ...
Given specific, non consistent, network connections, replication of some data can result in incorrect values
UE - Networking - Nov 2, 2016I appears to be possible to replicate a value and when the value gets to the client(s), it doesn't match what was sent from the server. In the project, ReplicatedActor is created by the Authority. ...