Unreal Engine Issues
Unreal Engine Issues
A warning is needed for turning off "Update Navigation Automatically", large nav meshes can cause crashes
UE - AI - Jul 7, 2015A warning is needed before allowing users to uncheck update Navigation Automatically. A user has done so and then created a nav mesh that was 1,000,000 by 1,000,000 in size and they can no longer op ...
UMG: Drag-drop widgets get stuck at (0, 0)
UE - Editor - UI Systems - UMG - Nov 7, 2022Reported on the dev forum, drag-drop widget is broken in the 5.1 Preview.https://forums.unrealengine.com/t/unreal-engine-5-1-preview/662523/221 Anyone else having problems with UUserWidget::SetPosi ...
MoveToActor doesn't update AI's path on goal actor's move
UE - AI - Mar 16, 2015A number of issues with MoveToActor have been observed in 4.7.2, including: 1. Not updating path on goal actor's move 2. hitting obstacles after path updating ...
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 ...
Material attribute layers issue with texture sample and VT lookups
UE - Rendering Architecture - Materials - Nov 14, 2024When using material attribute layers in a material layer setup, there is a potential discrepancy in the number of VT Lookups presented in the material instance's Platform Stats. When the same textur ...
COM Media Type error in video writer on 8K videos
TM - Rendering - Dec 12, 2024360 videos set to 8K resolution will fail to render in Twinmotion 2024.1.2 and newer Render attempts will end abruptly shortly after being initiated with the following error message ion the logs L ...
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 ...
[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 ...