MaterialTextureScale calculated incorrectly for materials with WorldPositionOffset

UE - Rendering - Architecture - Materials - Apr 16, 2024

When a Material uses WorldPositionOffset, the MaterialTextureScale is calculated incorrectly because FMaterialUtilities::ExportMaterialUVDensities() calls FMeshRenderer::RenderMaterialTexCoordScales ...

Fail to compile with Added AIController class

UE - Foundation - Core - Jan 14, 2015

User fails to compile code template after adding AIController code to project. Regression: Not a regression happens in 4.6.1 CL-2386410 Setting up Mono Building MyProjectEditor... Compiling game m ...

The AngularLimit visualizer isn't displayed as expected when adjusting the AngularRotationOffset

UE - Simulation - Physics - Dec 9, 2016

The AngularLimit visualizer isn't displayed as expected when adjusting the AngularRotationOffset. You can manually rotate the PhysicsConstraint and it will rotate the AngularLimit visualizer, howe ...

Scaling snap for selected object are reset to the origin of the scale pivot location

Tools - Apr 27, 2016

When scaling multiple selected actors in the scene with snap enabled the actors will reposition to the pivot origin of the last selected actor in the group when going down to a value of 0 or a negat ...

Attempting to Open a Widget Blueprint With Animation and Timeline Panels Hidden Causes the Editor to Crash

UE - Editor - UI Systems - Nov 11, 2015

When you attempt to open a widget blueprint when you have hidden the animation and timeline panels, the editor will crash. There is a workaround: Window->Reset Layout will allow you to open the blu ...

[CrashReport] UE4Editor_Core!FMath::ComputeBaryCentric2D() [unrealmath.cpp:1951]

UE - Simulation - Physics - Character - Nov 2, 2017

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. The error message and callstack closely matches to past ...

Hitting S while Alt + Dragging a BSP and then Stopping PIE will crash the editor

Tools - Mar 1, 2015

Hitting S while Alt + Dragging a BSP and then Stopping PIE will crash the editor. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) Crash Report: [Link Removed] Call Stack:< ...

Cannot change Collision Responses once component is custom selected from scene

UE - Gameplay - Dec 27, 2016

Cannot change Collision Response channel once component is custom selected from scene. This is only an issue if the component is selected by first selecting the actor in the world (scene), then sele ...

StrategyGame build failure from with XCode9

UE - Platform - Mobile - Jul 19, 2017

Did not occur when building the 3rd Person Code template from Windows to XCode 9. Also did not occur when building StrategyGame from Windows to XCode 8. This hasn't yet been tested natively on a Ma ...

Timelines: Issues with Editing Vector Tracks.

Tools - Jul 13, 2015

I'm seeing multiple issues when trying to edit a vector track. 1. A lot of the time it wont even let you add a key with shift click. 2: If you have a certain channel open, and you right click to a ...