Unreal Engine Issues
Unreal Engine Issues
Attempting to export sequencer camera causes editor to crash on Linux
UE - Platform - Linux - Oct 26, 2016Trying to export a sequence camera on Linux causes the editor to crash. This does not occur on Windows. EDIT: Crash seems to occur when focus leaves the FileName field. ...
Editor added components can fail to attach to a native root component
UE - Framework - Blueprint - Feb 8, 2021An actor instance's editor added components can fail to attach to the root component of the actor when changing the native root component's mobility from static to movable. The failure happens durin ...
Crash on hot reload for DynamicDelegate
UE - Foundation - Core - Mar 23, 2020This issue may be badly implemented, but the reference to the VTable may be incorrect during a hot reload. Crash always in sample project. Summary:Call ForeachRow function in Custom Struct constr ...
Editing ChildActorComponents on a Parent BP can corrupt a Child BP's state.
UE - Gameplay - Components - Jun 13, 2017Editing the Child Actor Class of a Child Actor Component owned by a Parent BP can corrupt the Child BP's state. This seems related to known serialization issues, where changing a Parent's Property ...
Editor crash on loading a project after enabling the Tango plugin on Linux
UE - Platform - Linux - Aug 22, 2017Enabling the Tango plugin on Linux causes the editor to crash on restart. Regression: No - Tango plugin not available in 4.16.3 (CL 3561208) ...
During SIE (simulate) and ejected-PIE, modifying a map actor causes triggers RerunConstructionScript() which discards all runtime modifications to SCS components
UE - Framework - Blueprint Runtime - Sep 6, 2024When Simulating, or Playing-In-Editor and ejected, modifying an actor in the editor world causes the SIE/PIE runtime actor to recreate its blueprint added components via AActor::RerunConstructionScr ...
Landscape Visibility Tool crashes editor
UE - LD & Modeling - Terrain - Landscape - Feb 20, 2015Editor crashes when landscape visibility tool is used on landscape. Frequency: 2/2 Crash Reporter: [Link Removed] ...
Deleting transient actor marks level dirty
UE - World Creation - Worldbuilding Tools - Feb 6, 2025The licensee has noticed that the deletion of a transient actor still marks the scene as dirty and asks it to be saved. Checking the source it was noted that the transient flag is not verified on de ...
Importing a New Substance Preset will crash the engine
UE - Foundation - Core - May 13, 2015With the Substance plugin installed and when you try to import new preset data into the Substance Graph Instance, the engine will crash ...
Opening widget blueprint causes editor to crash
UE - Editor - UI Systems - Oct 17, 2014Branch Build Label UE4-Main Promoted-CL- 2323471 DESCRIPTION: User crashes when opening a Widget blueprint. Unable to reproduce internally. *EDIT* Repro provided by User ...