Unreal Engine Issues
Unreal Engine Issues
FAnimationRuntime::BlendPosesPerBoneFilter() causes an assertive crash when Skeletal Mesh LOD is changed
UE - Anim - Runtime - Nov 1, 2023The crash occurs from "check(BoneBlendWeights.Num() == NumBones);" This crash occurs when the following conditions are met;The skeletal mesh LOD is changed.The number of bones is difference between ...
Level LOD Mesh Generation does not take into account Landscape Component Forced LOD settings
UE - LD & Modeling - Terrain - Landscape - Jan 27, 2016When you generate a LOD Mesh for a Landscape Level in the Level Browser, the resulting Mesh does not take into account Landscape Components Forced LOD settings. Landscape with Forced LOD Components ...
Actor Dropped at Wrong Location During PIE
UE - Editor - Applied Usability - Apr 3, 2025When attempting to drag and drop an actor from the Content Browser into the level viewport during PIE, the actor is not placed at the mouse cursor location if the Player Controller is attached. Inst ...
Inconsistent warning with actor root component mobility setting
UE - Gameplay - Oct 27, 2016When an actor class sets the root component mobility to Static or Stationary, spawning an instance of the class (or child blueprint) during runtime will print a warning message in the output log of ...
Using Subversion results in a hanging attempt to sync to source control
Using Subversion on a Mac to connect to an online repository causes the Source Control settings window to hang indefinitely and never succeed in connecting ...
Sound cue will ignore sound mix settings if settings are called in game instance
UE - Audio - May 31, 2017When using a Game instance to modify the sound in the editor the sound will ignore settings made by game instance. This issue appears to be occurring only in the editor, as running the game in stand ...
Creating Widget at run time with an exposed variable causes Engine crash with Assertion
Tools - May 8, 2020If you are using the default values of the In Size the project will run fine, but changing the values will make the engine crash. This was reported and tested in 4.25 (CL-13144385) and reproduced i ...
The Niagara Staticmesh data interface node Random Tri Coords doesn't respect Emitter's Deterministic Settings
UE - Niagara - Aug 11, 2021From UDN: We are using the Cascade particle system and we want to render the same scene with multiple cameras, so multiple renders are required. In order to ensure that the result of the particle s ...
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. ...
Chaos Vehicle does not make them CCD
UE - Simulation - Physics - Jan 10, 2024AWheeledVehiclePawn class tries to use CCD in the constructor, but Mesh->BodyInstance.bUseCCD = true this code does not work to activate CCD because Physics Assets could not be available at this ...