After attach a component to a simulated component by socket miss collisions

UE - Simulation - Physics - Jun 9, 2023

If attaches a StaticMeshComponent with collision active to another actor with a SkeletalMeshComponent simulating physics by socket name the StaticMeshComponent miss collision for simulation. Chec ...

JumpForce replicated ability task not always cleaned up properly

UE - Gameplay - Gameplay Ability System - Jul 19, 2024

See [Link Removed] for original report.  UAbilityTask_ApplyRootMotionJumpForce has a slightly different flow than other Root Motion Source ability tasks. It is the only one that allows EndTask to b ...

Intermittent Crash in Pose Search during Cook

UE - Anim - Gameplay - Jan 27, 2025

User reports that they've been running into an intermittent crash in Pose Search during Cook. Pose Search attempts to index data outside the bounds of an array. Based on the logs, each asset seems t ...

Change of rotation axis when switching solver

UE - Simulation - Physics - Apr 17, 2025

This alteration was introduced in the 'Found CL' field - and is likely an unintentional side effect of adding SIMD to the solver. There is a repro project attached, open up 'TestMap' and run to see ...

When exporting a level sequence (with its associated level) to USD, the asset paths for the reference are different from 5.5 and older

UE - Editor - Content Pipeline - USD - Jul 21, 2025

In 5.6, a referenced asset path looks something like         prepend references = @../../../../../Data/USD/Exports/FN-Main/ExportFolder/Assets/Sphere.usda@ instead of         prepend references = ...

Editor crashes upon PIE unless tick is disconnected and reconnected

UE - Gameplay - Blueprint - May 14, 2015

Project crashes if user presses compile or PIE unless they first disconnect and reconnect event tick within blueprint component BP_BuildStage. Frequency: 4/4 CrashReporter: [Link Removed] ...

Typing "Custom" in Blueprint Search Menu No Longer Brings Up Add Custom Event by Default

UE - Gameplay - Blueprint - Sep 2, 2016

When typing the word "Custom" into a blueprint search field, Add Custom Event is no longer the first node that appears. This is inconsistent with behavior in previous versions, as typing in "custom ...

Crash when using Crtl+Z after wrapping and selecting padding field

UE - Editor - UI Systems - Feb 22, 2017

Editor crashes when clicking in to a padding field after wrapping a widget and then trying to undo the change. ...