Destructible attached with a Physics Constraint ignores Start Awake on play

UE - Simulation - Physics - Destruction - Jul 26, 2016

Destructible attached with a Physics Constraint ignores Start Awake on play The Destructible component is set to simulate physics, but on play physics is not simulated unless the destructible is to ...

Preview Rendering Levels Do Not Display Supported Optimization Viewmodes in Viewport Dropdown

UE - Platform - Mobile - Apr 2, 2019

When attempting to set an optimization viewmode while using a Preview Rendering Level other than Shader Model 5, the Optimization Viewmodes dropdown is missing all of its options and instead display ...

When welding a procedural mesh component to a non-physics simulated static mesh that overlap they collide continuously

UE - Simulation - Physics - Jul 18, 2019

When attaching a Procedural Mesh Component with a copied static mesh to a static mesh component the two meshes collide and "push" each other (go flying on play). Weld is to be used for simulated ph ...

Blueprint class's property is overridden by parent blueprint class

UE - Gameplay - Components - Nov 2, 2020

I did some research. The problem is caused in CoreNative.cpp. In Function GetInstancedSubobject (Line 126) We should check if instance is runtime instance first. If it is runtime instance, just us ...

Anim Curve Data Does Not Appear in Montages When Using Animation Modifier, MotionExtractorModifier

UE - Anim - Runtime - Apr 28, 2022

Occurs 5/5 times Regression does not occur as the MotionExtractorModifier appears to be new with UE5.  Curve data is not displayed in an Animation Montage when Animation Modifier, MotionExtractorM ...

Selected tool using ScriptableTool might get closed when selecting an exposed property.

UE - Graphics Tools - Modeling Tools - May 21, 2024

When using a created tool of the ScriptableTool plugin, and setting an InstanceEditable variable, the tool might get close. For this to happen, we need to have a ToolPropertySet attached to the too ...

Context sensitive actor list retrieves temp folder data in blueprints while using source control

UE - Gameplay - Blueprint Editor - Nov 12, 2015

If a project uses source control and a blueprint has been diffed against previous revisions, the revisions will appear within the temp folder. This temp folders contents appear in context sensitive ...

Blueprint Interfaces cannot pass by reference between two blueprints

UE - Gameplay - Blueprint - Feb 25, 2015

Pass by reference variables do not work when called from a blueprint interface between two blueprints. Workaround: Use direct communication to pass by reference between two blueprints. ...

Android sessions do not appear in Session Frontend

UE - Platform - Mobile - Aug 29, 2016

Projects are failing when Content/Pak folders are added outside of the saved folder

UE - Platform - Mobile - Oct 13, 2016

When the Content/Pak file is outside of the Saved Folder, it'll crash with an internationalization error. But when the Content/Pak file is inside of the Saved folder, there is not a crash. ...