Cannot edit collision response details in SkeletalMesh components added via Blueprint.

UE - Gameplay - Blueprint - Aug 5, 2015

If the mesh component is added in Blueprint (i.e. in the Blueprint editor and/or through Construction Script), then it's not possible to edit the collision response details for an instance of the co ...

Static Mesh's Simple Collision does not mirror collision orientation when mirrored

UE - Simulation - Physics - Dec 5, 2018

Created 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, 2022

On 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, 2025

When using an "FSceneRenderer::CustomRenderPasses", the View never has Distance Field textures assigned. Can it instead reuse the Distance Field clipmap from the main view? ...

Nanite UV switch seams

UE - Graphics Features - Jun 13, 2025

Analytical 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, 2014

Worked: 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 " ...

Struct array variables interpret multiple Structs as the same if they have the same values

UE - Gameplay - Blueprint - Jul 7, 2015

Struct array variables interpret multiple Structs as the same if they have the same values. This does not occur if the values in the Structs added to the array are different. Test project in 4.8.1 ...

Adding a Material Parameter track sets Parameter to Master Material defaults

UE - Anim - Sequencer - Aug 5, 2016

In 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, 2016

Character animations are not played in sequence created from Recording First Person Template Follow-up to [Link Removed] ...

Using Tortoise SVN causes the engine's source control to be inconsistent

Tools - Jun 16, 2015

If a user decides to use Tortoise SVN, the error messages given for needing to have things checked out is inconsistent. If there is a blueprint which references another blueprint, and the reference ...