Unreal Engine Issues
Unreal Engine Issues
Transitions broken after deleting a state and hitting undo
OLD - Anim - Apr 14, 2015In a State Machine, deleting a state and hitting undo causes any transitions that were attached to that state to become broken. They appear as the circular transition node icons, but aren't connect ...
Changing the Resolution scale in Engine scalability can cause actors to be offset when ejected from the player controller
UE - Graphics Features - Nov 30, 2015If the user turns down the Resolution scale, plays in editor, and then ejects from the currently controlled pawn The actors in the scene will be hard to click on because they appear to be offset fro ...
Cannot Add Elements to AIPerceptionStimuliSource's Register as Source on an Instance in the Level
UE - AI - Jun 7, 2016When attempting to add an element to the Register as Source for Senses on an instance of a blueprint in the level, the + button has no effect. Clicking the button does not add an element. This work ...
Default name 'None' for TextureSampleParameter2D blocks overriding in the material instance.
Named 'None' in the material editor, TextureSampleParameter2d is not overridden in the material instance. ...
Niagara: Losing focus when editor is open
UE - Anim - Sequencer - Apr 5, 2019Reported by a user from Reflector. ...
Blueprint Functions Aren't Listed in the Profiler Tool
UE - Foundation - Core - Sep 19, 2019Blueprint functions aren't showing up in the Profiler Tool. Found in 4.23.0 CL#8386587 Reproduced in 4.24.0 Main CL#8781358 ...
UIScaleCurve float-point value in BaseEngine.ini lacks precision
UE - Editor - UI Systems - Slate - Jun 4, 2020The screenshots below display 1920x1080pixel widget button. First one with Default DPIScaleCurve shows extra borders on the right and bottom. Next one with more precision shows no extra boundary. [ ...
InstanceOnly UProperties accessible in Blueprint
UE - Framework - Blueprint Editor - Nov 30, 2022Reproduced 3/3 times. Issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. ...
Memory stomp in UTexture2DArray::SetPlatformData
UE - Texture - May 30, 2024A crash from bad memory access can happen when clearing the textures in a Texture2DArray asset. This appears to be because the order of operations when deleting the platform data is: ``` if (Privat ...
Building Geometry Stops UTickableWorldSubsystem Ticking
UE - Gameplay - Jan 13, 2025Can be mitigated by reopening the Level. There is a repro project provided by the licensee on the case ticket. ...