Unreal Engine Issues
Unreal Engine Issues
LOD materials are wrong for multiple tree static meshes in Kitedemo
Docs - Samples - Nov 10, 2016A lot of the tree meshes become big and blocky at the furthest LOD level. This causes them to look odd when they are far away in the distance. This is a regression from 4.13.2 ...
Clicking on an Actor in the World Outliner jumps to Details tab if it is docked with the World Outliner
Tools - Dec 20, 2017When clicking on a actor in the World Outliner while the Details tab is docked to it, it switches over to the Details tab. This bug was not present in 4.17.2 but is in 4.18 and 4.19. ...
Crash undoing "replace actor with" when replaced object constructs child actors
UE - Gameplay - Oct 10, 2016The problem seems to be that the construction scripts doubled up all the BlueprintCreatedComponents, so there are now 2 scene components(actually the same one duplicated) and now 2 child actor compo ...
Niagara Crash After Adding More Than 20 Emitters to a System
UE - Niagara - May 24, 2019The Editor will crash after adding more than 20 Emitters to a system. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...
Unable to import animation data from fbx with bone names starting with a number
UE - Anim - Rigging - Control Rig - Jul 31, 2023When importing animations with numeric names from fbx in UE5.2 or later, the AnimationSequence asset is created but the animation data is not imported. The workaround is to not prefix bones with num ...
Android + Bluetooth Mouse: Hover events and Get Mouse Position on Viewport not working
UE - Platform - Mobile - Jul 11, 2018No hover events firing when using a bluetooth mouse on android. Tested with 4.20p5 CL# 4173645 4.21 CL# 4179794 ...
CSM Shadows disappearing at larger coordinates with different FOVs
UE - Rendering - Graphics Features - Shadows - Apr 5, 2024Cascaded shadows disappear at some FOVs when far from the world origin. This behavior was not present in 5.2. Also found in CL: 32690246 in Release-5.4 ...
Interaction between sublevels and LevelSequences can break actors attachments hierarchy of the sublevel.
UE - World Creation - Worldbuilding Tools - Aug 6, 2025Having a LevelSequence opened and unhiding a sublevel can break the attachment hierarchy of the actors that are inside the sublevel. This also affects to the sublevel asset itself. ...
[Interchange][FBX] Import of custom collision add the collision mesh material slot to the mesh material slot
UE - Editor - Content Pipeline - FBX - Jan 20, 2025cf part 2 of that UDN https://udn.unrealengine.com/s/question/0D5QP00000rP4CG0A0/interchange-custom-collision-changes-from-fbx-pipeline?fromCase=1 ...
Using the Set Position in Viewport changes anchor values to 0
UE - Editor - UI Systems - Dec 15, 2017When Using the "Set Position in Viewport" it changes anchor values of a widget to 0. This node seems like this should not be changing the anchor values, but it is unsure if this is intended behavior ...