Unreal Engine Issues
Unreal Engine Issues
Building Geometry Stops UTickableWorldSubsystem Ticking
UE - Gameplay - Jan 31, 2025Can be mitigated by reopening the Level. There is a repro project provided by the licensee on the case ticket. ...
Cannot export a Datasmith scene to the Unreal Engine project root folder on MacOS.
TM - Interoperability - Oct 29, 2024This is mac specific. I could do the export normally on Windows with the same Twinmotion CL and UE version (5.5 preview). It is also a regression specific to 5.5, since I've been able to export a d ...
Crash when compiling Blueprint Function containing a connected Set Variable node for a local variable named after a replicated Actor property
UE - Framework - Blueprint - Nov 5, 2025Creating a local variable inside a Blueprint Function with the same name as a replicated property of AActor (for example, “Role” or “RemoteRole”) and then using a connected Set Variable node for it ...
Mover plugin: Crash on UFloorQueryUtils::ComputeFloorDist() and other utility functions that assume the pawn uses a UCapsuleComponent
UE - Gameplay - Player Movement - Mover - Dec 4, 2025The following functions have been found to perform unchecked casts of the pawn's "UpdatedComponent" to class UCapsuleComponent, possibly resulting in crashes:UFloorQueryUtils::ComputeFloorDist()UGro ...
Performance will drop in PIE if simulate physics is toggled rapidly on an actor with attached components
UE - Gameplay - Nov 3, 2015Performance will drop in PIE if simulate physics is toggled rapidly on an actor with attached components User Description: Simulating physics for Primitive components causes severe performance dr ...
Opening a project that contains an actor in viewport with a child actor component of type TextRenderActor crashes the editor
UE - Gameplay - Blueprint - Jan 12, 2016If a blueprint with a child actor component of type TextRenderActor is added to a level and the editor is saved, closed, and reopened, the project will crash with the following assert: Assertion ...
Custom Component class does not show up in Add Component list
UE - Gameplay - Blueprint - Mar 5, 2015Creating a code component class and marking the UCLASS() macro with meta=(BlueprintSpawnableComponent) does not allow the component to be used inside blueprints. Workaround: Adding ClassGroup=( [Gr ...
Cannot Rename or Delete Event Dispatchers if they are named "color"
UE - Gameplay - Blueprint - Jul 21, 2015Event Dispatchers cannot be renamed or deleted after being created if the name used is "color". ...
Comment boxes no longer allow pinning/unpinning of comment bubbles
UE - Gameplay - Blueprint - Jun 24, 2015Comment bubbles above comment boxes no longer have an option to pin/unpin comment bubbles. This functionality allowed users to choose whether or not to show the comment bubble, which was useful for ...
Instanced meshes spread further apart as size increases
Tools - Jun 22, 2015As the size increases on instanced static meshes, they spread further apart, causing unwanted breaks in tiling. This increase is proportionate to the increase of size. Note: Despite the collision ...