Unreal Engine Issues
Unreal Engine Issues
Crash in Vulkan when changing Source Texture for Rect Light
UE - Rendering Architecture - RHI - Jan 5, 2023Regression: Tested in UE5/Release-5.0, no crash occurs so this is a regression No crash occurs in 5.0, but the rect light's light does not change based on the Source Texture. Rect lights function a ...
Pawn Blueprint cannot have variables default value set in Engine ini
UE - Gameplay - Blueprint - Jun 1, 2017When using a pawn blueprint, you cannot modify the value of a variable in the config files. This issue does not affect other kinds of blueprints, as this issue does not affect actor blueprints. Re ...
Animation Sharing Plugin Removes Mesh Collision
OLD - Anim - Jun 11, 2019The referenced documentation does not state anywhere about collision being affected by animation sharing nor is the user expecting it to be affected. Even when the Collision Preset is overridden to ...
[CrashReport] CastChecked<UAnimBlueprint,UBlueprint>()
OLD - Anim - Jul 14, 2017This is a common crash affecting users in 4.16. Users have not provided additional information. Source context not available ...
Low-level memory tracking has negative values for "FMallocUnused" and "Untracked"
UE - Foundation - Core - Oct 6, 2020"FMallocUnused" is immediately bellow 0. "Untracked" is reported to go below 0 after very long playtimes (over 36 hours). Reported in version 4.25.3(CL 13942748). Tested and found negative values f ...
open asset in editor crash (Objects have the same fully qualified name but different paths)
UE - Gameplay - Blueprint Compiler - Sep 15, 2022in 4.27 open this asset could not crash ,but 5.0.2 could get crashed ...
Changing value on float input pin does not automatically provide decimal point
UE - Gameplay - Blueprint Editor - Jun 8, 2017Entering a whole number value to a float input does not create a ".0" at the end. This was noticed as it causes a small quality of life issue with orphaned pins, where the user can't simply type th ...
UE5.4 Preview 1 produces rendering artifacts on Landscape with World Position Offset
UE - LD & Modeling - 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. ...
Crash upon launching packaged game with Share Material Shader code enabled
UE - Graphics Features - Oct 27, 2017When launching a packaged game that has Share Material Shader Code enabled, the process will crash before opening. Regression?: Yes This issue does not occur in 4.17.2-3658906+++UE4+Release-4.17 Th ...
When adding the UIRenderer to the Movie Render Queue, the rendering output is a difference in PIE and MRQ.
UE - Anim - Sequencer - MRQ - Dec 5, 2023UI rendering in PIE and UIrenderer rendering in MRQ produce different output results. This is because when dealing with fades in the UI, the rendering results should not be different. Workaround ...