Unreal Engine Issues
Unreal Engine Issues
Blueprint Instanced static meshes generated in construction script do not bake lighting properly
UE - Graphics Features - Mar 12, 2015Blueprint's with an instanced static mesh that has instance components added via construction script will fail to build lighting correctly when the pivot is placed outside the lights radius. This ...
Root Motion from Everything doesn't accept Root Motion from Montages
OLD - Anim - Feb 18, 2016Root Motion from Everything doesn't accept Root Motion from Montages in 4.11. This works in 4.10. Can regress down the issue if needed. ...
Crash on Mac when adding Convex Collision to a mesh converted from a brush
UE - Platform - Apple - Jun 6, 2017This is one of the top Mac crashes occurring in 4.16. Caused by adding Auto Convex Collision to a mesh converted from a brush. Does not occur on Windows. User DescriptionsI was trying to add a conv ...
[CrashReport] ULevel::GetWorldSettings() - UMaterialInstanceThumbnailRenderer::Draw
Tools - Aug 29, 2017This is a common assertion that has occurred since at least 4.14 and affected nearly 100 users. The callstack is similar to [Link Removed], which was marked fixed for 4.14. User DescriptionsUndoi ...
Packaged Game Ensure Crash when GameInstance working with Async loading thread
UE - Foundation - Core - Jul 23, 2019In Engine 4.23 Preview, when AsyncLoadingThread is enabled and GameInstance is loaded from a Blueprint, the Engine will crash. ...
Physics replicates incorrectly on the Client-Side on sloped surfaces
UE - Simulation - Physics - Jul 30, 2019Replicated objects don't behave correctly on the client-side on slopes when not sleeping. By placing two cubes on one another and slightly rotating the bottom one to create a very gentle slope, the ...
UMG Editor Will Compile Incorrect Node And Crash When Called During Runtime
UE - Editor - UI Systems - Dec 26, 2019The UMG editor will compile as if the blueprints is valid if you make "Get Text" node from a TextBlock variable, delete it and create a EditableText variable with the same name. When running a scene ...
Niagara Systems Don't Scale With Skeletal Meshes When Called From a Montage
UE - Niagara - Jan 2, 2020When a Niagara System is called from a montage is doesn't scale with the skeletal mesh that uses the montage. Attached is an example project. Found in 4.24.1 CL#1077647 Reproduced in 4.23.1 CL# 9 ...
Reimporting sprite sheets does not work correctly if the editor has ever been closed and reopened since initial import
UE - Gameplay - Paper2D - Aug 1, 2020UPaperSprite::PostLoad() now sets BakedSourceTexture, BakedSourceUV, and BakedSourceDimension (if AtlasGroup is nullptr). There's nothing in reimport that sets them, so they are stale/latch to the ...
No sound plays when using Oculus Spatialization Plugin
UE - Audio - Spatialization - Nov 10, 2021The Oculus spatialization option is not producing sounds. In Test Rail I can see that the test related to this passed April 2021 in UE4. In UE5 it passed on Early Access in February 2021. ...