Unreal Engine Issues
Unreal Engine Issues
Niagara Data Interface "Errors and Warning" section on Module Details not updating when error messages change
UE - Niagara - Aug 14, 2025This is a regression: it worked correctly up to UE 5.5, but not in 5.6 or mainline latest. Possibly caused by CL 40093049. Class UNiagaraDataInterface provides virtual method GetFeedback(), which a ...
Focus not updating correctly when using the setting Smooth Focus Changes.
UE - Anim - Sequencer - Apr 18, 2017Focus not updating correctly when using the setting Smooth Focus Changes. ...
Variables not labeled as Editable will not update with branch
UE - Gameplay - Blueprint - May 9, 2017Variables not labeled as Editable will not update with a branch node inside of the construction script. Variables behave as expected when not connected to the branch node. This issue was tested with ...
When a Niagara User Parameter is renamed, mesh bindings on Niagara Mesh Renderers are not updated, and the binding is silently broken
UE - Niagara - Mar 13, 2025In Niagara, Mesh Renderers expose a "Meshes" array for selecting the meshes to be rendered. On each array entry, a property "Mesh Parameter Binding" is available and allows the user to override that ...
Update DefaultEngine.ini file when open project settings tab.
Tools - Nov 12, 2019There are no changes to the parameters in the .ini file, just the file has been updated. Source control becomes dirty by re-saving the file. ...
Per Poly Collision Not Updating
OLD - Anim - Mar 22, 2018Per poly collision does not update/follow the mesh when the mesh is moved via Blueprint Does not occur in 4.18 ...
Construction script not updating HISM array count
UE - Gameplay - Blueprint - Mar 27, 2017Construction script not updating HISM array count, even when new elements are adding inside of the level. Regression: Issue occurs in 4.15.1 of the binary build Using the same repro steps provid ...
Pose is not updating when additive is applied
OLD - Anim - Apr 14, 2017When the user applies an additive base pose to a pose asset, the mesh does not update in viewport. This issue occurs in 4.15 and 4.16. ...
Client Animation is not updated on Server with "Replicate Movement" disabled
OLD - Anim - Dec 5, 2016Client Animation is not updated on Server with "Replicate Movement" disabled See Additional Info URL because the user appears to have done some debugging on this. ...
Reset to default behavior for arrays is inconsistent about updating customized struct headers
UE - Editor - Workflow Systems - Jun 22, 2023The behavior for resetting the default for customized struct properties is inconsistent and needs to be reviewed and fixed. Currently we see this behavior:In non-array properties, the header will be ...