Inconsistency between Rotation Widget and Transform details

Tools - Mar 7, 2016

The rotation widget and Rotation details sidebar have inconsistent values when rotating using the widget. Also, when hitting a 90 degree rotation from 0, 0, 0, the other axis values are affected. ...

Editor Crashes When Updating Captures on Sphere Reflection Captures

UE - Graphics Features - Feb 20, 2017

Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 633] Array index out of bounds: -1 from an array of size 11 Source Context: 200 CubemapArray.Updat ...

Illegal reference to private object when cooking a child level sequence with a time warp track

UE - Anim - Sequencer - Apr 28, 2025

Slack: [Link Removed] Cook error: UATHelper: Cooking (Windows): LogSavePackage: Warning: UATHelper: Cooking (Windows): Referencers of MovieSceneTimeWarpSection /Game/ChildSequence.ChildSequence: ...

Web Browsers widget components stop accepting input when toggling visibility with a delay if there is more than 5 browsers

UE - Editor - UI Systems - UMG - Dec 5, 2022

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 Web Browsers widget components stop accepting input when toggling visibility with a delay if there is more than 5 browsers. This onl ...

Rearranging the position of enumerators in an Enum BP will change references to the enumerators inside Data Tables based on position rather than value

Tools - Nov 12, 2015

Rearranging the position of enumerators in an Enum BP will change references to the enumerators inside Data Tables based on position rather than value. Reproduced in 4.8.3 binary, 4.9.2 binary, 4.1 ...

Translucent Unlit Materials render at incorrect Z depths depending on camera

UE - Graphics Features - Sep 15, 2014

Sprites which are layerd on top of one another in a tight pack and have a material set to TranslucentUnlitSprite Material will disappear while moving the camera above and below the editor's 0 grid. ...

Crash after adding Virtual Bone, then Creating Asset

OLD - Anim - Jul 5, 2017

Occurs on? 4.16 - 3466753 - YES 4.17 - 3521650 - YES Error message: Assertion failed: RefBonePose.Num() == NumBones [Link Removed] [Line: 4400] Source Context:4387 ResetAnimation(); 4388 ...

When ParallelExecutor is enabled, Japanese build output of VisualStudio garbled

UE - Foundation - Cpp Tools - Sep 19, 2018

From UE4.20, Japanese build output of VisualStudio garbled. Below is a comparison between 4.19 and 4.20. ・4.19.2 1>------ すべてのリビルド開始: プロジェクト:MyProject3, 構成:Development_Editor x64 ------ 1> Clea ...

CharacterMovementComponent: make crouching behavior compatible with custom gravity direction

UE - Gameplay - Components - Feb 20, 2024

CharacterMovementComponent has recently received support for custom gravity directions. Crouch logic needs to be updated to account for custom directions. Currently, crouching logic in CMC assumes Z ...

CameraRig_Rail actor does not show last index for preview mesh

UE - Anim - Sequencer - Feb 19, 2025

Do not show the last index in the preview mesh display of the CameraRig_Rail actor. The reproduction test case generates a ring of rails, but only the last index is not displayed. Recommended Cod ...