Importing specific Alembic geometry cache fails

UE - Editor - Content Pipeline - Import and Export - Oct 3, 2018

According to Licensee this problem seems to be caused by the time to sample the data. By changing the time to frame number, the import seems to be successful. \Engine\Plugins\Experimental\AlembicI ...

[CrashReport] UE4Editor_SlateCore!FHittestGrid::FindFocusableWidget<<lambda_3a8b364273a2882da220e6e492096c17>,<lambda_d0075a811a928600995d1b2de6795365>,<lambda_105424556dbaeebf7f5bf9bed3e2f737> >() [hittestgrid.cpp:397]

UE - Editor - UI Systems - Jun 18, 2018

No user comments in crash group 394 for (StrideCellPoint[StrideAxis] = StrideAxisMin; StrideCellPoint[StrideAxis] <= StrideAxisMax; ++StrideCellPoint[StrideAxis]) 395 { 396 ** ...

AddForce behaves inconsistently between PIE and Standalone Game / Build

UE - Simulation - Physics - Apr 23, 2020

This example consists of a simple BP Actor, containing a Collision Sphere and Static Mesh (Sphere). The BP has Simulate Physics Ticked on, the Mass in KG is 1 and collision preset is set to Block Al ...

[Audio Gameplay Volumes][Google Resonance] - Resonance Plugin Reverb Settings do not work on AGVs

Audio-Gameplay-Engineering - Oct 18, 2022

Resonance Reverb Effects are not working on Audio Gameplay Volumes. They are working on legacy Audio Volumes.  ...

Color picker widget auto-closes unnecessarily

UE - Editor - Aug 3, 2026

A licensee reports that the color picket widget in Unreal Editor closes whenever a blueprint actor (map placed instance of an actor blueprint) receives a property changed event, even if the change e ...

Bone names of ~100 characters or longer crash the editor when baking to control rig

UE - ACT Character - Control Rig - May 15, 2025

This is an issue with inconsistencies over rig names and how control names are generated. We expect that a control name will be appended with _CONTROL or _CURVE_CONTROL. But because URigHierarchy: ...

Custom Blend Graph cleared after switching Blend Logic

OLD - Anim - Apr 15, 2015

User is not happy that the Custom Blend Logic Graph is cleared out if you accidentally switch the Blend Logic back to Standard ...

Implementing an interface in a blueprint does not show interface functions until interface is opened and compiled

UE - Gameplay - Blueprint - Aug 3, 2015

If an interface is implemented within a blueprint, the initial function in the blueprint interface cannot be called in the actor. The function will be populated after compiling the blueprint interfa ...

Foliage does not spawn on Hierarchical Instanced Static Mesh Components

UE - World Creation - Worldbuilding Tools - Foliage - Jul 3, 2015

Foliage does not spawn on Hierarchical Instanced Static Mesh Components ...

Landscape Physical Material always registers default

UE - Simulation - Physics - Mar 7, 2015

Physical materials on landscapes always return DefaultPhysicalMaterial, even when the surface type is changed. ...