Unreal Engine Issues
Unreal Engine Issues
Offset Root Bone Node needs reconstruction from velocities
UE - Anim - Jul 16, 2025The experimental Offset Root Bone node does not respect velocities, meaning that it does not work when a character is based on a moving platform. The capsule will rotate with the platform, but the r ...
VSM shadows are missing for non-Nanite meshes in a PPV where Megalights is disabled, but Megalights is enabled in the project
UE - Rendering - Graphics Features - Jul 14, 2026In UE 5.8 r.Visibility.LocalLightPrimitiveInteraction mode 2 (enabled if MegaLights is disabled) was added and made the new default as a performance optimization. However, this causes shadows to d ...
Light function materials using WorldPosition do not render correctly to volumetric fog if there is more than one
UE - Graphics Features - Mar 27, 2023There is a one-line fix for this in a shader file, see their PR on GitHub:https://github.com/EpicGames/UnrealEngine/pull/10251/files ...
Xcode 8 Beta Toolchain Breaks InfiltratorDemo on AMD On 10.11.6
UE - Platform - Apple - Jul 27, 2016InfiltratorDemo rendering is entirely broken on 10.11.6 using AMD GPUs when the shaders are compiled to byte code using the Xcode 8 Beta 2 toolchain. This does not appear to occur with the Xcode 7.3 ...
No return value for the Add nodes for Map/Set variables
UE - Gameplay - Blueprint - Jun 5, 2018Add nodes for variables using the container type Set/Map do not have a return values that states if an element was successfully added. The tool tip states that this should be the case. This return v ...
Orthographic View doesn't respect the default Character Rotation
Tools - Aug 22, 2018Orthographic doesn't respect the default character rotation of -90 degrees. This is reflected when viewing the Third Person character in Right/Left and Front/Back Orthographic views. This issue was ...
Video length indicator no longer works
TM - Tools - Oct 21, 2025Reported in SF [Link Removed] In videos containing multiple parts, the cumulative time indicator that shows the full length of the video no longer works correctly and will incorrectly display a len ...
Can Not Add New Montage Section Name to a Montage on a Mac
OLD - Anim - Nov 21, 2017-Section Name shows up on Windows and not Mac -Does not occur in 4.17.2 Currently waiting to test in 4.19 ...
Multitouch on Windows offsets touch index by 1, starting at TouchIndex_2
Tools - Oct 18, 2016Touch input on Windows devices will start at touch index 2 instead of touch index 1, like other touch devices. ...
WmfMedia: Track switching does not work
Media Framework - Aug 31, 2016Track switching is currently not supported, because media with multiple tracks of the same type fail to load. Once that is fixed, implement run-time track switching. ...