Unreal Engine Issues
Unreal Engine Issues
Sync'ing an asset through the editor does not update the asset until the project restarts
If an asset file is checked out / edited in source control and checked back in, others will see the yellow exclamation mark to indicate that there is an update to the asset but choosing to sync does ...
Connecting GetSequenceBinding node to LevelSequence including Spawnable Actor etc. will result in error
UE - Gameplay - Blueprint Editor - Feb 22, 2018[Link Removed] ・Open attached project ・Open NewMap ・Confirm that an error appears on the console ・When creating a Windows (64-Bit) package in this state, the same error occurs ...
Niagara: MeshParameterBinding property of the StaticMeshLocation module does not accept binding to parameters of type StaticMesh.
UE - Niagara - Jan 22, 2026On the details panel of the StaticMeshLocation module, when expanding the dropdown of the MeshParameterBinding property, user parameters of type StaticMesh don't show up (only those of type "Object" ...
Crash when a StateTree-related Parameter is of a type that includes two nested arrays with the same name (due to FPropertyChangedEvent::ArrayIndicesPerObject using array names to map to their changed indices)
UE - Framework - Dec 19, 2025This issue was reported in the context of adding and setting parameters on StateTrees, Tasks and related assets, but its root cause lies in the structure FPropertyChangedEvent and can possibly affec ...
"Active" marker on shot track scales improperly when using Time Scale
UE - Anim - Sequencer - Apr 21, 2017"Active" marker on shot track scales improperly when using Time Scale ...
Instanced Foliage Actor painted on an Actor who is attached to a Parent Actor, does not update transform when Parent is moved.
UE - World Creation - Worldbuilding Tools - Foliage - Dec 2, 2019Instanced Foilage Actor painted on an Actor who is attached to a Parent Actor, does not update transform when Parent is moved. Note: The foliage will move if the base actor is moved directly, inde ...
Anim Notify States are ended when CustomTimeDilation is set to zero
UE - Anim - Runtime - Oct 12, 2022UDN link: https://udn.unrealengine.com/s/question/0D54z00008BEDfJCAX/set-actor-time-dilation-to-0-during-a-animation-notify-state-cancel-it?fromCase=1 Notify gathering functions (e.g. UAnimSequence ...
GPU System will kill existing particles if activate is called after it has be deactivated
UE - Niagara - Oct 22, 2020Deactivating and then reactivating the same GPU system will cause existing particles to die. ...
Two planar reflection and translucent materials draw reflections on one side only
UE - Graphics Features - Jan 6, 2023This problem seems to be fine when the material is Opaque.[Image Removed] ...
Initial Modules are clamped to a 0 to 1 time range
UE - Graphics Features - Sep 18, 2015The Initial Modules appear to be clamped to a zero to 1 time frame since 4.8 was released. Projects that are converted from 4.7.6 will have correctly working particle systems, but adding a new part ...