Unreal Engine Issues
Unreal Engine Issues
r.AllowOcclussionQueries causing "huge RenderQuery Result" wait time in VR
UE - Graphics Features - Dec 3, 2019Running r.AllowOcclusionQueries 0 command seems to set bWait = true, causing large wait times Tested: 4.22.3 CL#7053642 , 4.24P4 CL#10387632 , 4.25 CL#10479005 Link to the users video, which ...
Packed level blueprint does not behave as noted in documentation.
UE - Engine Scaling - Streaming - Nov 28, 2022In the documentation page: [Level Instancing in Unreal Engine | Unreal Engine 5.0 Documentation|https://docs.unrealengine.com/5.0/en-US/level-instancing-in-unreal-engine/] it is mentioned that: [ ...
Editor Crash when changing Default Properties of a TArray of UStucts containing an InlineEditConditionToggle property in Blueprint Parent Class
UE - Editor - Verse Class Editor - Apr 5, 2024This bug causes an editor crash. This crash occurs when changing the default values of a UStructs properties that are used as EditConditions, when they are set to InlineEditConditionToggle within a ...
Changing the mass for a Destructible asset does not affect it
UE - Simulation - Physics - Destruction - Nov 19, 2014DESCRIPTION: Changing the mass of a Destruction asset does not affect it. In comparison doing the same for a static mesh set to simulate physics will adjust accordingly. Forums Post: https://forum ...
Rear tires on vehicle in VehicleGame sample detach and drift back from axel as user accelerates
OLD - Anim - May 3, 2017This is a regression from 4.15 as it is unreproducible on a binary build in //UE4/Release-4.15 @ 3416026. Both my 4.15. and 4.16 versions were obtained from the EGL. The more the higher the speed t ...
Imported Texture shows up black in Content Browser
UE - Texture - May 13, 2022I'm trying to import a .exr texture created in Substance Painter and exported as a 32 bit linear exr file. The texture is to be used for roughness. However, I've stumbled upon the problem that users ...
delete_all_material_expressions_in_function Doesn't delete all expressions in one go.
UE - Rendering - Architecture - Materials - May 24, 2024UDN: https://udn.unrealengine.com/s/case/500QP000009NxNBYA0/deleteallmaterialexpressionsinfunction-doesnt-delete-all-expressions-in-one-go?fromCase=1 A UDN user is reporting that the delete_all_mat ...
Outliner freezes when searching in large maps
UE - Editor - Verse Class Editor - Jul 24, 2024This is because SSceneOutliner::FullRefresh is called every time the search text changes, which repopulates the whole tree. There's a few options to look into here (first two might be tricky with b ...
Fix PrimitiveComponent overlap indirection
UE - Simulation - Physics - Sep 27, 2016When doing overlap tests in PrimitiveComponent, UWorld->ComponentOverlapMulti is used. The callstack for that ends up looking like this (callstack is inverted, highest level on top): UWorld::Compo ...
Thumbnail of material is not previewed if FSoftObjectPath is used.
UE - Editor - Content Pipeline - Import and Export - Jun 11, 2018https://udn.unrealengine.com/questions/437463/%E3%83%9E%E3%83%86%E3%83%AA%E3%82%A2%E3%83%AB%E3%81%AE%E3%82%B5%E3%83%A0%E3%83%8D%E3%82%A4%E3%83%AB%E3%81%8B%E8%A1%A8%E7%A4%BA.html ...