Unreal Engine Issues
Unreal Engine Issues
Niagara color picker user parameter preview no longer updates until confirmation
UE - Niagara - Apr 18, 2025Starting with UE 5.4, the Color Picker Tool no longer updates preview values in real time for certain editor windows like Niagara when working with User Parameters. This behavior is a regression fr ...
Blueprint Diff tool does not mark changed properties as having been changed if they are in a custom nested category
UE - Gameplay - Blueprint - Jun 12, 2018The Blueprint Diff tool does not highlight properties that have been changed from a previous version of the Blueprint if those properties are contained in a custom nested category. REGRESSION: No. ...
Crash when loading array of UStructs containing Instanced property
UE - Gameplay - Blueprint - Jan 26, 2022The editor crashes with a failed assertion when opening a blueprint actor that contains a structure with instanced objects. ...
[MetaSounds][Voice Management] - MetaSounds set to Restart do not virtualize correctly when the Attenuation Shape is not a Sphere
UE - Audio - MetaSounds - Aug 17, 2022When using Attenuations with MetaSounds, if the Attenuation Shape is Sphere it works as expected. However, other shapes do not work correctly. The sound either becomes deactive or sometimes the soun ...
ControlRig & Sequencer: FindControlRigs returns rigs even if their track have been removed
UE - Anim - Rigging - Jun 5, 2024Constraint 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 ...
Blueprint Class functions are overridden in packaged shipping project.
UE - Gameplay - Blueprint - Mar 14, 2015When using a child blueprint that calls a parent blueprints tick and its functions, The event is not being called if you package the project for shipping Win (32-Bit) Pictures of the Parent BP are ...
The 'Set Constrained Components' node doesn't set the physics constraint components correctly if used in the Construction Script
UE - Simulation - Physics - Jan 20, 2015The 'Set Constrained Components' node doesn't set the physics constraint components correctly if used in the Construction Script. ...
Destructible Mesh component doesn't show in bp viewport until the bp is reopened
UE - Simulation - Physics - Destruction - Jun 10, 2016Destructible Mesh component doesn't show in bp viewport until the bp is reopened User Description: Mesh dont appears in viewport after add DestructibleComponent and set "Destructible Mesh". After ...
The Left Mouse Button Pressed event is not firing when Input Mode Game Only is set and Show Mouse Cursor is true
UE - Editor - UI Systems - Slate - Sep 20, 2019The Left Mouse Button Pressed event is not firing when Input Mode Game Only is set and Show Mouse Cursor is true. Attached is an example project (4.23) that demonstrates the issue. Found in 4.23.0 ...
Fixup Redirectors doesn't work in the editor
Tools - Apr 28, 2015Fixup Redirectors doesn't work in the editor when showing redirectors using the filter and then choosing Fixup. The maps that reference the redirectors aren't being checked out and fixed. I'm just g ...