Unreal Engine Issues
Unreal Engine Issues
Static Mesh's Simple Collision does not mirror collision orientation when mirrored
UE - Simulation - Physics - Dec 5, 2018Created Static Mesh Actor's Simplified Collision boxes do not mirror Collision Orientation when mirrored in the World/Editor. ...
[MetaSounds] - Input Parameter Settings revert to the default after a MetaSound becomes virtual
UE - Audio - MetaSounds - Sep 23, 2022On restarting from Virtualizing, any parameters set previously on a MetaSound are ignored and the MetaSound restarts with the default values. This does not behave this way with Sound Cues, in which ...
Scenecapturecomponent not including Niagara effect if custom renderpass is used
UE - Graphics Features - Mar 20, 2025When using an "FSceneRenderer::CustomRenderPasses", the View never has Distance Field textures assigned. Can it instead reuse the Distance Field clipmap from the main view? ...
New material translator: Switch statement not derivative aware
UE - Graphics Features - Jun 13, 2025Analytical Derivatives are not calculated properly when using UMaterialExpressionSwitch. Disjoint UVs in screen space result in large jumps in the derivatives, which can cause artifacts as the wrong ...
Creating a new Matinee Controller node only shows the Finished pin
UE - Gameplay - Blueprint - Dec 9, 2014Worked: P4 Main 4.7 CL:2375748 P4 Releases 4.6 CL:2369413 (Gold) Broken: Portal Binary 4.5.0 CL:2326478 After creating a matinee with event(s) in it, creating a Matinee Controller only shows the " ...
Engine crashes while attempting to resimulate procedural foliage volume with target layer set on landscape proxies
UE - World Creation - Worldbuilding Tools - Foliage - Apr 17, 2015If a procedural foliage volume attempts to use the "target layer" feature and resimulate while encompassing a landscape proxy, the editor will crash. Frequency: 3/3 Crash Report: [Link Removed] ...
Adding a Material Parameter track sets Parameter to Master Material defaults
UE - Anim - Sequencer - Aug 5, 2016In Sequencer, adding a Material Parameter track sets Parameter to Master Material defaults ...
Character animations are not played in sequence created from Recording First Person Template
UE - Anim - Sequencer - Aug 5, 2016Character animations are not played in sequence created from Recording First Person Template Follow-up to [Link Removed] ...
Function calls inside destructor are not called when expected.
UE - Gameplay - Blueprint - Jul 13, 2015Functions called in the destructor are not being called properly. Setting a call to AddOnScreenDebugMessage is displayed at the start of PIE rather than when the actor's destroy is called. ...
Some Niagara FX does not show up in MovieSceneCapture when AgeUpdateMode is DesiredAgeNoSeek
UE - Niagara - Cinematics - Sep 17, 2024CL23957356 changes how to calculate FrameOffset in FNiagaraSystemUpdateDesiredAgeExecutionToken::Execute(). After this change, DesiredAge + FrameOffset could be 0.0 for some a couple of initial fram ...