Unreal Engine Issues
Unreal Engine Issues
RecreateLandscapeCollision console command regenerates collision over landscape holes
UE - LD & Modeling - Terrain - Landscape - Feb 13, 2015Using console command 'RecreateLandscapeCollision' resets collision in areas that landscape hole materials have been placed. Workaround: paint new hole material to re-remove collision from areas w ...
Root Bone Rotated Incorrectly in Default Animations
UE - Anim - Rigging - Sep 18, 2015In the Mannequin's default third person animations, the root bone is rotated Z forward/Y down resulting in IK's for hands and feet not aligning correctly. The result being that the joints that are ...
Visual discrepancy appears with local position offset while mipmaps are enabled
UE - Graphics Features - Oct 20, 2017There is a visual discrepancy appears with the local position offset while mipmaps are enabled, when using a custom node that takes information from the local position node, with a texture that cont ...
[CrashReport] UE4Editor_SlateCore!FSlateElementBatcher::AddElements() [elementbatcher.cpp:52]
UE - Editor - UI Systems - Slate - Nov 21, 2017This is an infrequent crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Based on affected project names, this may be a VR is ...
The FNetNameMapping::GetUniqueName function appends numerical values to the end of the previous name instead of replacing the previous name's numerical value
UE - Gameplay - Blueprint Compiler - Feb 23, 2018The GetUniqueName() function attempts to make sure that all node names are unique. For nodes that are used a large number of times, it adds a numerical value to the end of the name. Prior to 4.18, t ...
DrawDebugString display wrong position in PIE when changed display scale
Tools - Sep 16, 2020The display position of the text in DrawDebugString is affected by the scale of the display. Should refer to the Project() of DebugCanvas (not Canvas). - Suggest Code void AHUD::DrawDebugTextL ...
No sound plays when using Built-In Spatialization or Simple ITD plugins
UE - Audio - Spatialization - Nov 10, 2021No audio can be heard when using the Built-In Spatialization plugin. This is a regression from 4.26. Occurs in 4.27 and 5.0. ...
Mesh Paint mode's Texture Paint has obvious artifact with UV seams
UE - Rendering Architecture - Oct 8, 2024Mesh Painting Texture Paint tool can miss some pixels along UV seams, even with "Enable Seam Painting" set to True. This appears to be because of the difference between rasterization and sampling. ...
TInstancedStruct used in native actor class loses reference to Instanced UObject after BP recompilation
UE - Framework - Blueprint Compiler - Jun 25, 2025When a TInstancedStruct contains a UObject marked with EditInlineNew and DefaultToInstanced, the reference is lost after compiling the Blueprint but only when the struct is part of a native Actor cl ...
Grass draws on landscape holes
UE - LD & Modeling - Terrain - Landscape - Jul 14, 2015Grass output in materials draws over masked locations, such as landscape visibility holes. ...