Unreal Engine Issues
Unreal Engine Issues
Level Streaming - Always Loaded sublevel affected by streaming volumes
UE - World Creation - Worldbuilding Tools - Mar 19, 2024The docs mention: "When a streaming Level is set to Always Loaded, it is loaded together with the persistent Level. It also becomes visible at the same time as the persistent Level. It ignores strea ...
Branching Points in a Montage Affect the Rotation Outcome of Root Motion
UE - Anim - Runtime - Mar 28, 2025When playing Montages with Root Motion, the sub stepper extracts root motion transform in small increments. If a Branching Point exists within the interval being extracted, the extraction range is s ...
SetGamePause does not affect Sequencer pause if using audio clock as source
UE - Audio - Sequencer - Oct 24, 2025We’ve run into some unexpected behavior when combining SetGamePause(true) with Level Sequences. When calling SetGamePause(true) while a Level Sequence is playing, the visuals pause correctly, b ...
Wind affects cloth in scene when there is no Wind Directional Source actor placed
UE - Simulation - Physics - Character - Jun 22, 2015If a character with a cloth simulation or a mesh with a cloth simulation is in the scene there is wind force that is being applied to the cloth. The only way to remove this is by setting a Wind Dire ...
Collision on rolling ball template floor incorrectly affects player character
Docs - Samples - May 27, 2015In the rolling ball template, the new floor meshes cause the player character to jump when the player has not pressed any jump commands. It occurs more often if the players movement has been increas ...
Unable to save blueprint after Hot Reload that affects the class the blueprint is based on
UE - Gameplay - Blueprint - Sep 14, 2015After hot reloading a project, if the class a blueprint is based off of was edited, the blueprint is unable to be saved due to being referenced in Engine/Transient. Project for Repro: [Link Removed ...
r.Shadow.RadiusThreshold and r.Shadow.FadeResolution not affected by Scalability Settings
UE - Graphics Features - Apr 20, 2018r.Shadow.FadeResolution and r.Shadow.RadiusThreshold values in DefaultScalability.ini are not being applied ...
Regression: Skeletalmeshreproduction node do not show mesh when the mesh is not SK_Mannequin in 4.24
UE - Niagara - Jan 16, 2020SkeletalMeshReproduction node stopped showing meshes other than SK_Mannequin. ...
Unable to affect setting cubemap blend in skyLight and reflections on transluscent materials
UE - Rendering Architecture - Oct 17, 2023Attempting to blend SkyLight Cubemaps via the SetCubemapBlend function to blend between different Cubemaps to make the changes seamless is not reflected. As a workaround, in LumenTracingCommon.ush, ...
Teleport only affects static mesh of destructible meshes, collision remains at original location
UE - Simulation - Physics - Destruction - Sep 15, 2015Teleporting a destructible mesh only transports the mesh of the object, the collision remains where it was originally located. Further, if the player runs into the collision, the static mesh will re ...