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 ...
Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling
UE - Editor - Workflow Systems - Jan 11, 2022This is a regression.This does not affect UE5. Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling. In 4.26 and UE5 the code compiles without issue, and the user ...
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 ...
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 ...
Print String does not print to the viewport screen from the Construction Script
UE - Gameplay - Blueprint - Aug 11, 2015Print String does not print to the viewport screen from the Construction Script, even if Print to Screen is enabled in the Print String node. Reproduced in 4.7.6 binary, 4.9 Preview 3, and Main (/ ...
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 ...
Frequent ensure opening meshes on Mac, locks up AMD machines
UE - Graphics Features - Jun 6, 2017REGRESSION No, I was able to reproduce the hard lock in 4.16.1. A frequent ensure occurs when opening static or skeletal meshes on Mac. Doesn't reproduce 100% of the time, but I've gotten it about ...
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 ...