Crash in Standalone when using a Blueprint Library Function inside a Macro from a Macro Library

UE - Gameplay - Blueprint - Jan 9, 2015

Using a Function from a Blueprint Library inside a Macro from a Macro Library will cause a crash when using Standalone Game for PIE. The same setup will function as expected when Playing in Selected ...

ChildActor Component with physics spawns at the wrong location

UE - Gameplay - Jul 16, 2015

ChildActor Component spawns at the wrong location as long as the actor that the ChildActor is referencing has the StaticMesh set as the root and simulating physics. User Description: Basically I h ...

Static Mesh's Simple Collision does not mirror collision orientation when mirrored

UE - Simulation - Physics - Dec 5, 2018

Created Static Mesh Actor's Simplified Collision boxes do not mirror Collision Orientation when mirrored in the World/Editor. ...

Creating a new Matinee Controller node only shows the Finished pin

UE - Gameplay - Blueprint - Dec 9, 2014

Worked: P4 Main 4.7 CL:2375748 P4 Releases 4.6 CL:2369413 (Gold) Broken: Portal Binary 4.5.0 CL:2326478 After creating a matinee with event(s) in it, creating a Matinee Controller only shows the " ...

Level Sequences in Level Instances

UE - World Creation - Worldbuilding Tools - Level Instances - Mar 20, 2023

Workaround is to specify Binding Overrides on the LevelSequenceActor through its Details panel as such (while editing the LI). ...

Creating a code project named Test will fail the initial compile and every hot reload in Binary

UE - Foundation - Build - Farm - Jul 21, 2016

When a C++ project is named Test on a Binary version of the editor, the project will fail to compile. I'm assuming this is from the editor seeing a precompiled header from another file in the engine ...

Hot reload can prevent code components from being accessible in blueprints

UE - Foundation - Cpp Tools - Hot Reload - Sep 29, 2017

When a class is edited / hot reload preformed, code based components are sometimes removed from the MyBlueprint > Variables section and cannot be dragged from the Components tab into the graph with ...

[Submix][Recording] - Existing Sound Wave to Overwrite option has no effect

UE - Audio - Submixes - Jul 29, 2021

This is an old bug that looks like it never made its way into JIRA. Adding for documentation.  ...

Making changes to a Camera Shake while previewing the Camera Shake triggers a crash

UE - Anim - Sequencer - May 23, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL 18319896  Making changes to a Camera Shake while previewing the Camera Shake triggers an Assertion upon compiling. ...

Crash Occurs When Using Move Component To and Overlap Event

UE - Gameplay - Jan 29, 2016

When using move component to to move a component, and then calling Destroy Actor when the actor overlaps another actor, a crash occurs. In this case, the user was attempting to move their static m ...