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] ...

Hot reload breaks code based struct array used in blueprints

UE - Gameplay - Blueprint - Mar 21, 2016

When an array of a struct, defined in code, is used in a blueprint, preforming a hot reload after making changes to the class with the struct will cause the blueprint nodes relating to the struct be ...

Crash on Mac on exit.

Media Framework - Aug 17, 2020

A licensee reported trouble with a crash on exit on Mac. They discovered that the file AvfMediaPlayer.cpp, on the function Open there is this piece of code:// Force the AV player to not be able to ...

Waking both of a constraint's rigidbodies re-enables collisions between constrained actors that were disabled by a Physics Constraint Actor

UE - Simulation - Physics - Solver - Apr 12, 2022

Waking both of a constraint's rigidbodies re-enables collisions that were disabled by the physics constraint You can also get this issue to occur by either shooting the two cubes around a bit, or by ...

Editor crashes when the "Find in Blueprints" dialog runs its indexing task after any SlowTask was canceled by the user

UE - Framework - Blueprint - Sep 17, 2024

If any SlowTask is canceled by the Editor's user, and later on the "Find in Blueprints" dialog is opened and needs to perform its async indexing task, the Editor crashes on thread FAsyncSearchIndexT ...

External Data Layers in level not removed when Game Feature Action is Removed or set to None

UE - World Creation - Worldbuilding Tools - Jan 9, 2025

When using External Data Layers in conjunction with Game Feature Plugins and World Partition levels, removing a Game Feature Action or changing its type to "None" does not remove the associated Exte ...

Regression: Selected Virtual Production Roles are saved but not loaded from Saved/Config/WindowsEditor/UserVPRoles.ini, unless file DefaultUserVPRoles.ini exists (even if completely empty)

UE - Virtual Production - Tools - Mar 7, 2025

When the "Virtual Production Utilities" plugin is enabled, the Editor makes available a list of "Virtual Production Roles", which can be created and individually selected in a "VP Roles" dropdown on ...

Crash when loading array of UStructs containing Instanced property

UE - Gameplay - Blueprint - Jan 26, 2022

The editor crashes with a failed assertion when opening a blueprint actor that contains a structure with instanced objects. ...

Reset to default behavior for arrays is inconsistent about updating customized struct headers

UE - Editor - Workflow Systems - Jun 22, 2023

The behavior for resetting the default for customized struct properties is inconsistent and needs to be reviewed and fixed. Currently we see this behavior:In non-array properties, the header will be ...

ControlRig & Sequencer: FindControlRigs returns rigs even if their track have been removed

UE - Anim - Rigging - Jun 5, 2024

Constraint Actor to Rig with Editor Utility Widget is working for the first time adding to the Sequencer. However if it was deleted and added to Sequencer again, run Scripted Actor Action shows Err ...