Failed Import Error Message Appears on Components in Child Blueprints

UE - Gameplay - Components - Dec 2, 2015

Creating a C++ class based on actor and adding components to it will build successfully and work as expected. However, creating two child blueprints of a parent that is based on that C++ class and p ...

Using Show Mouse Cursor and Ejecting Prevents Actors from Being Moved

Tools - Mar 31, 2016

When you have the mouse cursor set to show in game, if you use shift+f1 to unlock the mouse, eject, and then attempt to click and move an actor using the transform gizmo, you are unable to do so. S ...

Calling RestartGame Function causes a crash when exiting PIE

UE - Gameplay - Jul 7, 2015

If the Restart Game function is called in blueprints or code then the editor will crash when exiting PIE [Link Removed] ...

[CrashReport] UE4Editor_DetailCustomizations!`FBrushDetails::CustomizeDetails'::`2'::Local::OnClassPicked() [brushdetails.cpp:172]

Tools - Aug 29, 2017

This is a common crash that has occurred since at least 4.15 and affected more than 100 users. The callstack shares some similarities to [Link Removed], which was not resolved. User DescriptionsGo ...

Blutility button not working after editing blueprint - need to reopen window

UE - Gameplay - Blueprint Editor - Feb 28, 2018

Blutility buttons are broken if graph is edited while panel is open. User reported bug Video repro attached ...

Incorrect values filled for nativized struct arrays when resized and packaged

UE - Gameplay - Jun 4, 2018

When packaging a resized structure array it changes the array value to a large incorrect number. Testing the struct in PIE yields expected results. ...

Child Animation Blueprints Do Not Get Recompiled Correctly

UE - Gameplay - Jan 7, 2020

The child of an animation blueprint is not properly recompiled when the it's parent is compiled. Found in 4.24.1 CL#10757647 ...

Importing camera FBX into subsequence loses focal length

UE - Anim - Sequencer - Mar 27, 2020

Importing a camera FBX into a sub sequence will not copy focal length animation.  ...

[MetaSounds][Ladder Filter] - Ladder Filter Produces Incorrect Output when the Sample Rate is not 48kHz

UE - Audio - MetaSounds - Oct 30, 2023

When the Sample Rate of the Audio Mixer or device is not 48kHz, the Ladder Filter output is not correct on PIE. It is Silent at 20000Hz, and other frequencies also sound wrong.  ...

[MetaSounds][Biquad Filter] - Biquad Filter Produces Incorrect Output when the Sample Rate is not 48kHz

UE - Audio - MetaSounds - Oct 30, 2023

When the Sample Rate of the Audio Mixer or device is not 48kHz, the Biquad Filter output is not correct on PIE. It is Silent at 20000Hz, and other frequencies also sound wrong. See [Link Removed] ...