Unreal Engine Issues
Unreal Engine Issues
Optimization Viewmodes are not visible when Android Preview is enabled
UE - Platform - Mobile - Apr 11, 2019A user has reported that the Optimization Viewmodes menu does not appear with any options when the Preview Rendering Level is set to Android ES2 or ES3.1. Regression?: Yes This did not occur in 4.2 ...
Ray Traced Distance Field on OpenGL not working
UE - Graphics Features - Dec 1, 2015Are Ray Ttraced Distance Field Soft Shadows supported on OpenGL ES3.1 + Android Extension Pack platforms like the Shield Tablet or Shield Console? Since the ES3.1+AEP platform supports deferred ren ...
Crash After Reimporting Static Mesh With Added Material Slot
Tools - Jan 12, 2017After importing a mesh without any materials assigned, if you add a material slot and save the material. Reimporting this mesh will cause a crash. The only way to avoid this crash is to import a me ...
Crash upon using EComparisonMethod as a variable in a struct
UE - Gameplay - Blueprint - Jul 17, 2017Having a variable of the type EComparisonMethod inside of a struct causes the editor to crash. This could be due to the variable being as part of the Development folders in code. Attempting to repro ...
Switchboard Unable to Launch Multi-User Slate Server in Launcher Builds
UE - Virtual Production - Tools - Switchboard - Jan 14, 2023Switchboard is unable to launch the Multi-User Slate Server in launcher builds. This is because the default install location has "Program Files and "Epic Games" in the path (aka folders with spaces ...
IsOverlappingActor is always returning false
UE - Gameplay - Sep 23, 2015When you use the IsOverlappingActor node to determine whether or not something is overlapping another actor, it returns false regardless of whether or not you're actually overlapping another actor. ...
Path Tracing denoiser is not stable in animation
UE - Graphics Features - Nov 30, 2021When rendering an animation with the path tracer through MovieRenderQueue, at low sampling rates the denoiser produces splotchy results that flicker from frame to frame. The current denoiser (Ope ...
Swarm: Not able to set number of processors to use for Swarm from the UI
UE - Graphics Features - Aug 25, 2015There is a setting called "LocalJobsDefaultProcessorCount" in the Developer Settings tab in Swarm. After the change to make Lightmass build asynchronously while the user keeps working, this set ...
Navmesh seems to have buggy behavior when interacting with HISMCs that programmatically set mesh via SetStaticMesh.
UE - AI - Mar 6, 2020Both versions works correctly if HISMC is pre-placed (generated in ConstructionScript). Only when generated dynamically does it fails. The Navmesh isn't being updated after SetStaticMesh and AddInst ...
C# UHT fails to recognize delegates declared in another class's namespace
UE - Foundation - Cpp Tools - UnrealHeaderTool - Dec 14, 2022Repro Rate: 3/3 This issue occurs in the live build //UE5/Release-5.1 at CL 23058290. This issue has also been regression tested against //UE5/Release-5.0 at CL 20979098 and is confirmed to be a r ...