Unreal Engine Issues
Unreal Engine Issues
Enabling wifi while a game is running causes the Lenovo S939 to freeze or crash
UE - Platform - Mobile - Jan 5, 2016When turning on the wifi connection on the device, the game either crashes on the device or it'll freeze for about 15 to 30 seconds. Devices: 5231_S939 (ARM Mali-450 MP4; 4.4.2) - occurs on 2894_G ...
[Stall] AudioMixerSourceManager::FlushCommandQueue when opening editor for asset
UE - Audio - Apr 7, 2022Live issue. Stall occurring for some users in the 5.0 Release. Currently hit 577 times by 500 users as of 2022-04-29 No specific project occurring on ...
Crash when renaming AnimGraph function in AnimBP
OLD - Anim - Apr 17, 2015When renaming the AnimGraph in an Animation Blueprint, the editor crashes after you hit enter. [Link Removed] [Link Removed] Occurs in: 4.7.5 Release CL:2503383 4.8 Main CL:2513846 ...
Blueprints with inherited Macros cannot save
UE - Gameplay - Blueprint - Feb 27, 2015Blueprints with inherited Macros cannot save. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...
No sound plays when using Built-In Spatialization or Simple ITD plugins
UE - Audio - Spatialization - Nov 10, 2021No audio can be heard when using the Built-In Spatialization plugin. This is a regression from 4.26. Occurs in 4.27 and 5.0. ...
Precomputed AO Mask is no longer working
UE - Graphics Features - Dec 23, 2015Precomputed AO Mask is no longer working in 4.11 Preview 1. This is a Regression from 4.10.x where this was working as intended. I've attached a zip file with the quick test that can be dropped in ...
Static Mesh Only enabled Foliage Actor causes serialization error in packaged game
UE - World Creation - Worldbuilding Tools - Nov 24, 2023The crash can be worked around by modifying FFoliageISMActor::Serialize as following code : void FFoliageISMActor::Serialize(FArchive& Ar) { #if WITH_EDITORONLY_DATA if (!Ar.IsCooking()) // ...
Creating Destructible with PhysXLabs and Fracture Tool in UE4 yield different results and same settings
UE - Simulation - Physics - Destruction - Feb 25, 2015When creating fracturing a mesh in PhysXLabs vs UE4 fracture tool with both using Voronoi fracture and set to 25 chunks will give different results. The mesh (Attached below along with reference i ...
Small UInstancedStaticMeshComponent::UpdateInstanceTransformById bug
UE - Graphics Features - Nov 20, 2024The call to UpdateInstanceTransform within UInstancedStaticMeshComponent::UpdateInstanceTransformById(..) sends bTeleport in place of bMarkRenderStateDirty that was added as part of Unreal Engine 5. ...
Instanced Static Mesh instance with negative scale has black lighting
UE - Graphics Features - Jun 11, 2019[Image Removed] The image above was the results after building lighting.The far right spheres all have negative scaling(-1 on Y) and reverse culling checked and are instanced.The middle set of sphe ...