Unreal Engine Issues
Unreal Engine Issues
Motion Matching FPS instability causes jittering when using the root offset node
UE - MVF Character - Animation - Feb 23, 2026Offset root node is affected by frame rate and produces jitter in it's motion across various settings and styles. ...
Property Editors fail to select assets within paths containing valid non-alphanumeric characters
UE - Editor - Verse Class Editor - Sep 20, 2024Property Editors for asset types allow you to drag assets from the Content Browser into them, or to make a selection using an Asset Picker widget. Some examples would be selecting Static Meshes or M ...
In the level editor, when configuring a component that is part of an actor blueprint, adding entries to a TMap with C++ enum keys results in duplicate keys and an incorrect warning popup.
UE - Editor - Jan 22, 2026Note: This started happening in UE 5.4 and persists up to latest. It is probably related to [Link Removed] Closed ([Link Re ...
Crash upon launching packaged game with nativized blueprints that include Add Child Actor Component node with a class already set
UE - Gameplay - Blueprint - Jun 14, 2017When using the Add Child Actor Component node with a class set on the node with Blueprint Nativization enabled, the packaged game crashes upon launch. A workaround for this is to leave the class bla ...
Adding specific map to project crashes editor
UE - Gameplay - Dec 23, 2015Adding map from user's project, CityofEther.umap, crashes editor upon launch or attempting to open the map. Crashreporter: [Link Removed] ...
Cannot animate properties on Root UMG element.
UE - Editor - UI Systems - Apr 17, 2015The UI tells me I can do it, but I cannot. Current work-around is to insert an extra element. Not desirable. [image: Inline image 1] ...
Crash clicking on the Reload button in the Modules window
UE - Foundation - Core - Jun 5, 2017Editor is crashing when clicking on the reload button within the modules window of the editor. This also occurs in 4.16 so not a regression. ...
Undo rename of Anim Curve in Anim Curves tab duplicates that curve
OLD - Anim - Jun 12, 2017Undoing the renaming of an Anim Curve in the Anim Curve tab causes the curve to be duplicated. Not a regression from 4.16.2. ...
[CrashReport] GPU Hang on Linux - /usr/lib/nvidia-381/libGLX_nvidia.so.0
UE - Platform - Linux - Aug 16, 2017This is a trending GPU hang crash on Linux in 4.16 and 4.17. It is similar to [Link Removed] (nvidia-375) ...
Automotive Photo Studio Template project renders custom render passes incorrectly
UE - Editor - Content Pipeline - Datasmith - Importer - Dec 19, 2019Renders with a custom render pass from the level in the Automotive Photo Studio Template are incorrect. They appear to be affected by auto exposure. ...