Unreal Engine Issues
Unreal Engine Issues
Memory Leak during video playback when main thread blocks
Media Framework - Apr 17, 2018Video frames are stored in a queue that keeps growing until the main thread ticks again. Can also be reproduced by playing video then clicking the import file button and leaving the file import dial ...
Asynchronous Image Loading from Disk Documentation leads to memory leak
Docs - Sep 18, 2019The documentation example to create your own asynchronous image load from disk results in a memory leak that is noticeable using the task manager. ...
Editor Crash when trying to get Color data from Vertex buffer
UE - Graphics Features - Nov 6, 2019When attempting to get the vertex color of an instance of of a static mesh that is painted after placing it in the World Viewport. The Editor crashes returning an "Unhandled Exception". The cause o ...
Branching Point Invalidates looping section settings
UE - Anim - Runtime - Nov 25, 2019Lighting channels on static mesh doesn't change correctly at runtime
UE - Graphics Features - Aug 28, 2020If call SetLightingChannels in blueprint to set a static mesh's lighting channels at runtime, the mesh in the viewport seems can't update to the new lighting channel setting. A weird thing is, if ...
Disabling Shadow Denoiser causes raytraced shadows from Rect Lights to disappear
UE - Graphics Features - Lumen - Nov 6, 2020Disabling Shadow Denoiser causes raytraced shadows from Rect Lights to disappear ...
Oculus Hand Components trigger a crash when Hand Tracking Support is changed
UE - Platform - XR - May 9, 2022Oculus Hand Components trigger a crash while playing in editor when Hand Tracking Support is changed to Hands Only. ...
Incorrect transforms when breaking a packed level actor
UE - World Creation - Worldbuilding Tools - Level Instances - Aug 14, 2023See "Steps to Reproduce" ...
Shadow in Sky Reflections
UE - Graphics Features - Lumen - Nov 10, 2023It looks like the DistantScreenTrace(...) in LumenScreenTracing.ush reports a false positive hit in the dark regions. Using screen trace visualization reports the distance in these regions as 65535. ...
UE5.4 Preview 1 produces rendering artifacts on Landscape with World Position Offset
UE - Graphics Tools - Terrain - Landscape - Mar 28, 2024A material on a landscape with WPO will cause major ghosting, even if that WPO is a dynamic {0,0,0} ,such as from a black texture. ...