Unreal Engine Issues
Unreal Engine Issues
RemoveAxisMapping() removes axis mappings of the same key regardless of Scale value
UE - Gameplay - Jun 26, 2019When you remove an axis mapping using a specific key it will remove all mappings even if they have separate scales. The user found a fix that I verified that worked. In "InputSettings.cpp", which i ...
Consolidate tool fails to replace unloaded references to Material Instances
Tools - Feb 20, 2018This issue is not a regression, it has been broken since the start of UE4. This bug may be related to [Link Removed] . Per licensee: We are trying to replace certain materials with material instan ...
Simulating physics overrides the ability to move Skeletal Mesh Actors in Editor after moving a child component
UE - Simulation - Physics - Jun 18, 2019Found in 4.22 CL#6574378 Reproduced in 4.21 CL#4753647, 4.24 Main CL#7062442 May be similar to [Link Removed], which was reported fixed in 4.13 The following warning is spammed when trying to mov ...
Ensure triggers when undoing change to newly created variable
UE - Gameplay - Blueprint - Sep 28, 2018Ensure will trigger when undo reverts text to default value. "This triggers an ensure because the undo ends up calling SKismetInspector::ShowDetailsForObjects(), which forces the keyboard focus to ...
Unable to Import Alembic Files in UE4
UE - Editor - Content Pipeline - Import and Export - Feb 25, 2020We have written a plugin for UE4 that allows Unreal users to import and set up Megascans assets into Unreal Engine. Recently we added Alembic files to our assets and also updated all our plugins to ...
Skeletal Meshes have physics collisions lag
UE - Simulation - Physics - Oct 2, 2019Skeletal mesh's physics collision lag behind the actual mesh. It didn't matter if there was just a root bone or multiple bones/constraints. This doesn't happen when using static meshes. The effect ...
Getting Fullscreen or Windowed Resolutions doesn't fully execute on Linux
UE - Rendering Architecture - RHI - Oct 28, 2019When using "Get Supported Fullscreen Resolutions" on UE when built with Vulkan, no values are printed out. This is an issue with any platform that builds UE with -vulkan, not just Linux. In Engine ...
Phaser module is malfunctioning
UE - Audio - Apr 9, 2019The phaser module that is part of the new Audio Engine causes audio from a Sound Cue to mute after playing for one second. The user states that the issue comes from the Phaser.cpp file producing a N ...
[CrashReport] UE4Editor_Persona!<lambda_e529d88d0657fbede17be1535bc6d479>::operator() [blendspacedetails.cpp:29]
OLD - Anim - Aug 14, 2017This is a trending crash coming out of the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack is very close to https://jira.it.epicgames ...
If "Update Position Eash Frame" of "Skel Vert/Surf Location" is enabled, the particle continues to rotate.
UE - Niagara - May 25, 2020It seems to have occurred since UE4.23, and the cause was the following part of "ParticleModules_Location.cpp".//From UE4.23 if (bOrientMeshEmitters) { //We have the mesh oriented to the normal o ...