Unreal Engine Issues
Unreal Engine Issues
Crash when changing the Codec in a curve compression setting
UE - Runtime - Animation - Nov 15, 2021The crash will occur when changing the Codec in a curve compression setting. This is a regression do it not happening in 4.26.2.. ...
Datasmith incorrectly imports 3Dxml files
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 1, 2022Datasmith incorrectly imports 3Dxml files. In 4.27 and Early Access 2 the file imports correctly. ...
Motion Matching FPS instability causes jittering when using the root offset node
UE - Characters - 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 ...
When loading a new level, a variable of the subclass of type is reset to null in the classes inherited from UGameInstance or UGameInstanceSubsystem
UE - Core - Data Pipeline - Cooker - Dec 1, 2022Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. It's only in packaged & quick launched builds that this occurs; PIE works as normal. ...
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 ...
Particle memory can be corrupted leading to a crash
UE - Foundation - Core - Jan 7, 2019Crash occurs when building lighting on Mac
UE - Graphics Features - Jan 4, 2017The Unreal Editor will crash whenever you try and build lighting. Crash does not occur in: 4.14.2 - 3241561 ...
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. ...
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. ...