Using RawInput plugin with game pad. Sometimes input may not arrive.

UE - Gameplay - Input - Jun 5, 2018

Xinput display is available Xinput has no problem. xbox360 controller is no problem. Would you please try it with PS4 controller etc. https://udn.unrealengine.com/questions/435106/rawinput%E3%8 ...

Crash when duplicating an UMG Animation and not renaming the Duplicate

UE - Anim - Sequencer - Dec 19, 2018

Crash when duplicating an UMG Animation and not renaming the Duplicate Hitting Enter correctly warns the user you have an existing Animation by that name, and doesn't crash Reproduced in //UE4/Rel ...

Crash when changing window resolution with AMD GPU, D3D11 and renderoffscreen

UE - Rendering Architecture - RHI - Apr 9, 2025

Context A crash can be induced with running Unreal Engine with DirectX11, a AMD GPU and running -renderoffscreen flag, and the main window is resized. This issue was first observed with the PixelStre ...

Crash launch application adding .umap url

UE - Foundation - Core - Aug 6, 2020

The application crashes when adding ".umap" to the launch map at application launch. If not specify ".umap", it will be able to launch application. There appears to be a failure to parse the URL. Th ...

Plugins need to support localization

UE - Editor - UI Systems - Localization - Jul 29, 2013

Plugins need to support localization. Also requested by this licensee: https://udn.unrealengine.com/questions/280012/%E7%8B%AC%E8%87%AA%E3%81%AE%E3%83%95%E3%83%A9%E3%82%AF%E3%82%A4%E3%83%B3%E3%83% ...

[CrashReport] UE4Editor_UnrealEd!TSet<FEditorUndoClient * | SActorDetails::~SActorDetails

Tools - Sep 20, 2017

This is a somewhat common crash coming out of 4.16 and 4.17. Users have not provided any description of their actions when the crash occurred. The top line of the callstack and the source context ...

Sequencer fails to play anim sequences on linked anim instances when an Additve/Layered FKControlRig track is active

UE - Anim - Anim in Engine - Mar 2, 2024

Animations can't be played with Sequencer via slot nodes in linked anim graphs when an additive/layered FK Control Rig is active.  This is because adding an FK Control Rig changes the anim instance ...

[CrashReporter] Crash in FAnimNode_StateMachine::Evaluate()

OLD - Anim - Aug 22, 2016

This JIRA was created as a result of it being one of the top crashes occurring in 4.13 Preview 2 Error message: Access violation - code c0000005 (first/second chance not available) Source Context ...

Destructible mesh does not trigger overlap event for objects/pawns that are not moving

UE - Simulation - Physics - Destruction - Dec 12, 2014

DESCRIPTION: When using the generate overlap events for a destructible mesh with Static Mesh or skeletal mesh that is not moving will not generate an overlap event to be triggered. So long as the me ...