Unreal Engine Issues
Unreal Engine Issues
Combined Translate and Rotate Mode broken when using Local Space
UE - Editor - Workflow Systems - Dec 22, 2023From UDN: When using the Combined Translate and Rotate Mode we run into an issue where the rotation arrow moves twice as fast as the coordinate frame. The object itself rotates correctly, but if we ...
Vulkan leaks memory when opening and closing windows
UE - Rendering Architecture - RHI - Nov 22, 2019As described here: https://udn.unrealengine.com/questions/532725/index.html (1) Start Prebuilt Vanilla 4.23.1. with Vulkan enabled (2) Create a new project (3) Drag and drop the Sphere from “modes ...
Using GENERATED_BODY() instead of GENERATED_UINTERFACE_BODY() in an Interface code class results in a UHT crash when trying to build the project.
UE - Foundation - Core - Mar 3, 2015Replacing GENERATED_UINTERFACE_BODY() with GENERATED_BODY() in 4.7.0 or above results in an Unreal Header Tool crash and build failure in Visual Studio. This was working in 4.6.1, but when tested i ...
Adding SmartObjectZoneAnnotationComponent to a blueprint actor causes a crash when building the package
UE - AI - SmartObject - Jan 30, 2025If placing an actor with SmartObjectZoneAnnotationComponent added to blueprint actor in a level, it will crash when the level open. As a workaround, adding SmartObjectZoneAnnotationComponent to the ...
[Audio Synesthesia] - Setting a Synesthesia NRT's settings to None crashes editor
UE - Audio - Nov 7, 2022Setting an Audio Analysers NRT settings to None crashes the editor. Assertion failed: nullptr != LoudnessSettings [File:D:\SMoyls_UE5_Release-5.1\Engine\Plugins\Runtime\AudioSynesthesia\Source\Audio ...
Leaving engine open for an extremely long time builds up memory usage, eventually crashing upon any activity
Tools - May 26, 2015Edit MattK: Not reproducible yet If the editor is open and used for a long period of time without being closed, it stores memory use. After building up a significant amount of resources building us ...
Crash when trying to export unsupported Paragon Skeletal Mesh asset in 4.23
UE - Editor - Content Pipeline - Import and Export - Sep 11, 2019When the user tries to export the Skeletal Mesh of TwinBlast (a paragon character that can be purchased off the marketplace) in 4.23. As of the time of logging this bug it is not supported in 4.23, ...
Non-Uniform Mobile Content Scale Values Render Black Screen when Launching to Mobile Device
UE - Platform - Mobile - Mar 3, 2015When attempting to set the configuration for mobile devices within the Engine/Config/DefaultDeviceProfiles.ini, any value that is non-uniform like 1.2 or 1.6 will render a black screen after deployi ...
Blueprint icon flashes when hovered over
UE - Editor - Content Pipeline - Content Browser - Mar 24, 2015Blueprint icon flashes constantly when mouse is hovering over it; this only occurs with a specific type of blueprint class. . Branch: Binary, from Launcher . Build Version: 4.7.3 . Description: T ...
iOS: No game sound after answering incoming call on iOS
UE - Platform - Mobile - Nov 28, 2016When an iOS device receives and answers a call that interrupts a UE4 game, the game will no longer have audio after the call in completed. Expected: End of call returns to gameplay with audio. Actu ...