Unreal Engine Issues
Unreal Engine Issues
Instanced Static mesh does not LOD at the same screen distance as standalone mesh
UE - Graphics Features - Nov 11, 2014DESCRIPTION: When using instanced static mesh component in a blueprint that has LODs the normal distances for LODs are not reflected for the instanced static mesh component. AH Post: https://answe ...
Actor Sequence Component Not Working While Playing in Standalone
UE - Anim - Sequencer - Jun 6, 2017When using an Actor Sequence Component in an actor blueprint, the sequence will not play in Standalone. In the test, a cube was used and was increasing its scale using the sequence. When playing in ...
SetOneWayInteraction functionality has no effect on the simulation
UE - Simulation - Physics - Nov 11, 2022Calling SetOneWayInteraction on a BodyInstance has no effect within the physics engine. The state of the flag is passed in to Chaos but nothing actually uses the value once it is there. It is expe ...
Electra video playback fails if project or package is under multibyte characters path
UE - Media Framework - Sep 16, 2022The URL parser encodes the input path to a URL-encoded path even if it is local, so if the path contains unicode characters (such as Japanese Kanji ), the media file cannot be read. Following worka ...
A Client connected to a Server that then destroys the session and rejoins will be disconnected after a short time
UE - Networking - Dec 8, 2015A Client connected to a Server that then destroys the session and rejoins will be disconnected after a short time. Unable to reproduce in a new project, however this has been reported multiple times ...
Fail to compile with Added AIController class
UE - Foundation - Core - Jan 14, 2015User fails to compile code template after adding AIController code to project. Regression: Not a regression happens in 4.6.1 CL-2386410 Setting up Mono Building MyProjectEditor... Compiling game m ...
Linux Native Toolchain depends on libninfo5 which is not bundled
UE - Platform - Linux - Sep 6, 2019libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 (0x00007fc27cf4d000) bschaefer@bschaefer-Precision-T7600:bin$ ldd ./clang linux-vdso.so.1 => (0x00007ffceefe3000) libpthread.so.0 => /lib/ ...
Crash when attempting to change the parent of a material instance constant through editor scripting
UE - Rendering Architecture - Materials - Apr 9, 2025The built-in class "UMaterialEditingLibrary" provides various editor scripting functions related to creating and editing materials and material instances. One of these functions, UMaterialEditingLib ...
Hitting S while Alt + Dragging a BSP and then Stopping PIE will crash the editor
Tools - Mar 1, 2015Hitting S while Alt + Dragging a BSP and then Stopping PIE will crash the editor. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) Crash Report: [Link Removed] Call Stack:< ...
[CrashReport] UE4Editor_Kismet!SBlueprintEditorSelectedDebugObjectWidget::GenerateDebugObjectNames() [sblueprinteditorselecteddebugobjectwidget.cpp:454]
UE - Gameplay - Blueprint - Dec 9, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...