Unreal Engine Issues
Unreal Engine Issues
Fix deadlock between sk component and sk build or import
UE - Editor - Open File Formats - Import and Export - Nov 27, 2024Fix deadlock when skeletal mesh component is shown in the detail panel with physics body section category open and the skeletalmesh is re-importing or doing any other asyc task that need the game th ...
Fix up GPU breadcrumb labels for Intel performance analysers
UE - Rendering - RHI - Jun 13, 2025A licensee has brought up that the GPU breadcrumbs are incorrectly displayed with traces taken on the Intel GPU Analyzer tools (see screenshot). It looks like the format string is being passed on in ...
Append node appears to flicker when placing ~3 spaces in a pin
UE - Gameplay - Blueprint - Aug 22, 2016Append node appears to flicker when placing ~3 spaces in a pin. The pin does not appear to be able to choose a size and so it flickers randomly between them ...
Spectral Analysis Delegates Do Not Behave As Expected If 3 Or More Are Attached To The Same Submix
UE - Audio - Submixes - Aug 19, 2022When attaching 3 or more Spectral Analysis Delegates to the same Submix, some delegates start returning only zero values. If this is a known limitation of Spectral Analysis Delegates, we should prob ...
Setting Fixed Frame Rate Prevents Particle Collision In PIE, Standalone, and Packaged Game
UE - Graphics Features - Oct 12, 2016If you set the project to use a fixed frame rate, particle collision no longer works. ...
Convex hull generation fails when first 3 verts are colinear
UE - Runtime - Simulation - Dec 9, 2025The licensee identified a number of cases where loading assets will trigger convex hull generation warnings:If the first 3 verts in the set are colinear (in which case IsPlanarShape() returns true b ...
Player Character does not collide with landscape
UE - LD & Modeling - Terrain - Landscape - Mar 8, 2015UPDATE: 3/9/2015 Additional Information: User on thread https://answers.unrealengine.com/questions/186928/landscape-collison-issues-recreatelandscapecollisi.html reported workaround did not fix e ...
Sequencer - When a subsection has negative play rate, any nested sub-subsections fail to evaluate
zComponent - Archive - Jul 3, 2025Consider a sequence hierarchy with more than two layers. If the top-level sequence uses a negative timescale on a sub-sequence, the contents inside it animate as expected, but any nested sub-sequenc ...
mobile scenedepth issues on 4.25 with ES 3.1 Preview
UE - Platform - Mobile - Jul 1, 2020We have a problem with the SceneDepth related features on the mobile after migrated to 4.25.1 from 4.23SceneDepth node output issue in translucent materialsDepthFade node output issue in translucent ...
Water reflections and GI flicker in 5.4 and 5.3 (fine in 5.2)
UE - Rendering - Features - Mar 7, 2024Since 5.3 customers have been reporting flicker with water surfaces, demonstrating that in 5.2 this flicker is not present. [Link Removed] ...