Unreal Engine Issues
Unreal Engine Issues
Translucent mesh dissapears when using masked shadows
UE - Graphics Features - Shadows - Jun 7, 2023This bug appears to be related to pass filtering. To observe correct behavior. In Project Settings->Rendering->Optimizations, set “Early Z-pass” to “Decide Automatically”, and disable “Mask materia ...
[Audio][Niagara] - Audio Spectrum only reacts to Channel 0, despite setting to another channel
UE - Audio - Submixes - Jun 6, 2023While doing some extra testing of the Submix Analyser fixes, I noticed there is a setting to set the channel of the submix to give the analyser. It always works for channel 0, but changing it to any ...
Check in SetNetPushIdDynamic fails when deriving object from class with no replicated properties
UE - Networking - Jun 5, 2023UHT will only emit the REPLICATED_BASE_CLASS macro and set the NeedsPushModelHeaders flag when the class has replicated properties. If a base class doesn't have any replicated properties, it will le ...
Material Function Instances do not show up in the Material Function Call node
UE - Rendering Architecture - Materials - Jun 5, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901. The Material Function Instance can be dragged and dropped into the Material Function Call. ...
Long thin spinning objects take too long to stop spinning
UE - Simulation - Core - Jun 5, 2023See the SpinningObjectStability test map in the Physics Sandbox. [Link Removed] It's not clear if this is a bug or a side effect of some of our solver shortcuts (e.g., omission of the precession te ...
Dormancy validation log warnings when COND_Never property changes
UE - Networking - Jun 2, 2023FRepLayout::DiffProperties doesn't check if the property's conditions is COND_Never or if the Parent Cmd's flags have the ERepParentFlags::IsLifetime flag (which FRepLayout::InitFromClass doesn't se ...
Cable Actor becoming stiff when bound to two dynamic objects
UE - Simulation - Core - Jun 1, 2023the cable actor does not dynamically deform when the cable actor's parent mesh moves. Instead, the cable actor becomes rigid between the meshes it's bound between. This bug does not occur in the fo ...
Allow Cinematic Control is reset to true when restarting the editor
UE - Editor - Workflow Systems - May 31, 2023When restarting the editor the viewport will have its Allow Cinematic Control flag reset to true. ...
Cooker Generated Packages: Actors can trigger the "load" of generated packages from linker load and load them incorrectly
UE - Foundation - Data Pipeline - Cooker - May 31, 2023Generated packages have to be constructed by the cooker via FGeneratorPackage::CreateGeneratedUPackage. Some fields on the UPackage are set and ICookPackageSplitter->PopulateGeneratedPackage is call ...
Visual Noise on Thin Translucent materials with a Directional Light
UE - Graphics Features - May 30, 2023Regression in testing This occurs with hardware and software ray tracing, as well as moveable and static lights This occurs regardless of anti aliasing. This was tested with DX12 ...