Unreal Engine Issues
Unreal Engine Issues
Clicking the GameMode Override dropdown in the World Settings tab crashes the editor
Tools - Jun 25, 2015Clicking the GameMode Override dropdown in the World Settings tab crashes the editor. Also occurs with any of the sub-options for the GameMode. Does not appear to occur if there is not already an ex ...
Skylight has too much influence on Subsurface Scattering
UE - Graphics Features - May 9, 2017Users on the AnswerHub are reporting that Skylights have too much effect on Subsurface Scattering. The argument here seems to be Movable Skylights versus Static/Stationary and their results regardi ...
MaxChannels (Voices) is printed incorrectly to the Output Log on new projects
UE - Audio - Mar 16, 2022The Max Channels (voices) setting displays in the output log as 0 on new projects. Likely a result of [Link Removed]. Issue is in display only (there are 32 voices), but should ideally report the de ...
[AI] UE_MT_SCOPED_READ_ACCESS(NavElementAccessDetector) Fails in editor on fresh sync
UE - Runtime - Character - Jan 27, 2025Licensees have reported failed multi-thread access code for NavElementAccessDetector in complex levels that have not finished compilation of their static meshes. The eventual failed check is inside ...
FBX Export - StaticMesh export to FBX crashes if UVElements has more channels than VertexInstanceUVs
UE - Editor - Content Pipeline - FBX - Jan 22, 2026As indicated in the repro steps, we have a StaticMesh asset that, for some reason, has a mismatch in their serialized bulk data where:MeshDescription->GetNumUVElementChannels() == 2FStaticMeshConstA ...
Enabling Use Pawn Control Rotation on a SpringArm component does not set the rotation values to zero, and subsequent rotation is not allowed after the setting is disabled
UE - Gameplay - Player Movement - Jan 2, 2016Enabling Use Pawn Control Rotation on a SpringArm component does not set the rotation values to zero. Subsequently disabling Pawn Use Control Rotation make rotation of the component impossible until ...
Mac project being rejected from app store over read/write access
UE - Platform - Apple - Jan 20, 2016Game was rejected from the Mac App Store for attempting gain read/write access to directories which weren't permitted. Reporter of issue has proposed a possible fix on his AnswerHub post: These tw ...
Object Scale Not Working with Instanced Static Mesh
UE - Graphics Features - May 19, 2016Using Object Scale in your material with an Instanced Static Mesh does not change the color of the material if you scale the individual instances of the Instanced Static Mesh component. If you scal ...
Editor crashes when calling "Begin Draw Canvas to Render Target" on Event Tick
UE - Graphics Features - Aug 20, 2020The recent hotfix caused this workflow to begin crashing. User reports that it worked as intended in 4.25.2 (CL-13908680). We are unable to reproduce it in 4.24.3 (CL-11590370) either. Crash is ha ...
Dithered LOD Transition does not work on some mobile devices
UE - Platform - Mobile - Aug 27, 2019I tested with some mobile devices and Dithered LOD Transition did not work on Huawei P20 Pro. This problem does not occur with Snapdragon. This problem does not occur with Snapdragon like Pixel 3. ...