Unreal Engine Issues
Unreal Engine Issues
[AI] StateTree can get stuck in a loop when a sub-tree returns Tree Succeeded
UE - AI - StateTree - May 30, 2023After a change to how StateTree handles Sub-trees returning succeeded, StateTree can now get caught in a loop when trying to transition out of the StateTree. Sub-tree completion and status should tr ...
Can't set "r.Shaders.Optimize" to false in UE5.4
UE - Rendering Architecture - Shaders - Jun 7, 2024The CVar "r.Shaders.Optimize" cannot be set to false from DefaultEngine.ini in the section "[ShaderCompiler]" as its help text describes. Also tested on UE5-Main, CL: 34200103 ...
Performance drop when spawning AI actors during runtime compared to placing them in world
UE - AI - Jan 9, 2019There is a performance difference between spawning and placing AI into a level. This is causing issues when spawning/despawning AI actors in a large open world, where 4-5ms of frame time quickly bui ...
Granular Synth Component does not generate sound on non-Force Inline assets
UE - Audio - Mar 7, 2022Granular Synth Component is not generating a sound as it previously did. ...
World partition mini map fails to build with an Unhandled Exception while using r.Raytracing.Nanite.Mode=1
UE - Graphics Features - Jan 31, 2023This is a regression. Tested in //UE5/Release-5.0 CL20979098 Build mini map fails with an Unhandled Exception while r.Raytracing.Nanite.Mode=1 is enabled in the DefaultEngine.ini. ...
Deleting an external actor without checking it out causes bad state
UE - Editor - Workflow Systems - Sep 26, 2024Randomize Without Replacement resets to WithReplacement on Sound Cue Loop
UE - Audio - Dec 8, 2022Reproduced 7/10 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...
Virtual Joystick + Swipe to Look = Choppy camera movement on newer iOS devices
UE - Platform - Mobile - Jan 10, 2020User Submitted Video: [Link Removed] User Description: "Swipe to look (with only the left virtual gamepad joystick) is undoubtedly the established gold standard for 3D First Person mobile games. ...
FBX Files Do Not Import After Using the Facial Anim Importer Unless Project is Reopened
UE - Anim - Runtime - Mar 20, 2018Project has to be restarter in order to import FBX files after using the Facial Anim Importer Screenshots below are of the error that occurs on FBX import prior to project being closed and reopene ...
Niagara Dynamic Parameters do not reflect layers in material instances.
UE - Niagara - Jan 19, 2022The names of dynamic parameters in material layers do not seem to update from material instances. ...