Keyboard IME input appears to be disabled for Web browser widget

Portal - May 23, 2019

When using the Web Browser Widget, IME is disabled and you can not input non roman characters (Japanese used for this test). ...

Montage Editor: Mouse Wheel Cannot Scroll to the Bottom of notify section when there are many track.

UE - Anim - Runtime - Jul 21, 2025

When a large number of notify tracks are added in the Montage Editor, the mouse wheel scroll does not allow the user to reach the bottom-most tracks. Only by manually dragging the scrollbar can the ...

Using a 'Format Text' node to set a 'Text Render' component will crash on map load after project conversion

UE - Gameplay - Blueprint - Apr 19, 2016

Using a 'Format Text' node to set a 'Text Render' component will crash on map load after project conversion[EUS] TJ Ballard - Opened the map on a users project from this AnswerHub post: https://answ ...

I get a compile error when using Particle SubUV nodes and tessellation.

UE - Niagara - Oct 6, 2021

I think tessellation will be discontinued in the future, but I will report it just in case. The licensee is not keen on fixing this problem. ...

Wrong height from Chaos::FHeightField::GetHeightAt()

UE - Graphics Tools - Terrain - Landscape - Oct 27, 2022

Project Crashes on UAIPerceptionComponent::RegisterStimulus()

UE - AI - Apr 26, 2016

Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 785] Array index out of bounds: 2 from an array of size 2 Source Context: 363 return OwnerController->GetPawn(); ...

Instanced subobjects are not always instantiated as expected.

UE - Gameplay - Blueprint - Aug 13, 2015

Instantiation of subobjects does not behave as expected when using the DefaultToInstanced UCLASS specifier. The licensee that reported the issue provided a sample project with some ensures added whe ...

Opening Gameplay Debugger while in PIE removes print string output from screen in subsequent PIE modes

UE - AI - Apr 23, 2015

If a user opens gameplay debugger ( ' pressed while in PIE), all print string outputs to screen disappear, and will no longer appear during any PIE session until editor is closed and re-opened. Wo ...

Custom events with a struct that has had its pin split will throw an error when adding variables to the blueprint

UE - Gameplay - Blueprint - Aug 26, 2016

Custom events with a struct that has had its pin split will throw an error when adding variables to the blueprint. The Struct appears to throw an error when making changes that are seemingly unrelat ...

All open assets close when referenced item deleted

UE - Editor - UI Systems - Slate - Mar 21, 2016

If you delete an asset that is referenced by another asset, all your current open asset windows (ie. blueprints, animations, meshes, etc.) will close, even if they aren't referencing that asset. ...