EditorCube added to the scene with a Geometry Script will have reversed normals

UE - Graphics Tools - Modeling Tools - GeometryScripting - May 31, 2023

The work around is to use the modeling mode normal tool to regenerate normals. This appears to mainly occur on any cubes added by the "Copy Mesh from Static Mesh" Regression tested in 5.0.3 at CL 2 ...

Ocean spline impacting landscape way outside of its bounds

UE - Graphics Tools - Terrain - Water - Oct 4, 2024

From licensee: "[...] it seems that regardless of our settings and how far away the control spline is from the landscape edge, one corner of the landscape will always be impacted by the falloff and ...

It is not possible to export virtual layer masks (AI or from mesh) through the COLMAP exporter.

RS - MVS - Jan 8, 2026

Found in 2.1.0.119011 (R210). The mask export doesn't work even when the masks are regenerated from the mesh. Outcome: Error appears: "The filename, directory, or volume label syntax is incorrect ...

Ensure undoing adding a component in UCS with Hide Construction Script Components in Details View off

UE - Gameplay - Components - Oct 2, 2017

An ensure occurs if the user undoes the adding of an Add Component node in the Construction Script, when Hide Construct Script Components in Details View is disabled (which is on by default). ...

Hot reload causes AnimBlueprint to lose functionality and crash

OLD - Anim - Mar 31, 2015

Casting to a character class inside of AnimBlueprint after a hot reload caused editor to crash Crash Reporter: [Link Removed] Additionally, Casts fail, breaking AnimBlueprint after a hot reload ...

Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected

UE - Gameplay - Blueprint - Aug 3, 2015

Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected. Refreshing the call node does not reset the inputs to their defaults. Reproduced in ...

Crash attempting to change Variable Type from My Blueprint panel

UE - Gameplay - Blueprint Editor - Apr 21, 2017

Crash occurs when the user attempts to change the variable type by clicking on its icon in the My Blueprint panel. No crash occurs when trying this in the Details panel. This does not reproduce in ...

[CrashReport] UE4Editor_PropertyEditor!FObjectPropertyNode::GetValueBaseAddress() | FSequencerObjectChangeListener::OnObjectPostEditChange

UE - Anim - Sequencer - Oct 5, 2017

This is a common crash that has occurred in 4.17.1 and 4.17.2, there are no immediate records of it occurring previously. Users have not provided any descriptions of their actions when the crash oc ...

Crash when creating a key in a blackboard with a name longer than 1024 characters

UE - AI - Mar 21, 2017

Black board key names that are longer than 1024 characters will cause a crash ...

Variables can no longer be set as a DataTableRowHandle type

UE - Gameplay - Blueprint - Sep 14, 2015

Variables can no longer be set as a DataTableRowHandle type. The option is no longer available in the Variable Type dropdown. This is a regression: this was possible in 4.7.6. Reproduced in 4.8.3 b ...