Scalebox scaling won't update if child size changes with global invalidation enabled

UE - Editor - UI Systems - Slate - Jul 17, 2024

When global invalidation is enabled, Scale Boxes don't react properly to changes in the size of their contents. Licensees have worked around this by updating SScaleBox::OnArrangeChildren:// This sca ...

Editor crash on loading a project after enabling the Tango plugin on Linux

UE - Platform - Linux - Aug 22, 2017

Enabling the Tango plugin on Linux causes the editor to crash on restart. Regression: No - Tango plugin not available in 4.16.3 (CL 3561208) ...

RENDERING: Unchecking Actor Hidden in Game for Actors is not letting them be visible in game

UE - Graphics Features - Jun 19, 2014

CHANGELIST: 2107728 BRANCH: UE4 DESCRIPTION: Unchecking the Actor Hidden in Game checkbox is not allowing a Note or an Ambient Sound be visible when played in the editor    QA REGRESSION? NO    ...

Cannot package an Engine plugin if another Engine plugin depends on the plugin being packaged

UE - Foundation - Cpp Tools - Plugin System - Nov 12, 2018

Packaging an Engine plugin fails if another Engine plugin lists that plugin as a private dependency. In the two attached plugins, PluginA lists PluginB as a required plugin in its .uplugin file, and ...

Crash when enabling HZB occlusion culling

UE - Graphics Features - Dec 16, 2020

Enabling HZB Occlusion culling results in a reproducible crash. Looks like a community member noticed this back in preview 2: https://forums.unrealengine.com/unreal-engine/announcements-and-release ...

Renaming blueprint macro causes Failed import for EdGraph errors

UE - Gameplay - Blueprint - Feb 4, 2022

Macro libraries try to support guid-based renaming: when a specific macro is renamed blueprints using the old name will automatically point to the new name and work properly. However, this fixup hap ...

Rendering sequence with livelink data has issues with smooth engine offset

UE - Virtual Production - IO - LiveLink - Apr 26, 2023

[Link Removed] for reference Playing back a sequence shouldn't have buffered samples. We should have a single one, which was built from the sequence. We need to make sure when played back that it ...

BoneList and BoneFilterActionOption in LOD0 of LODSettings are displayed after editing other LOD level

UE - Anim - Runtime - Jul 31, 2023

BoneList and BoneFilterActionOption in LOD0 of LODSettings are filters by the following code. void FSkeletalMeshLODSettingsDetails::CustomizeDetails(IDetailLayoutBuilder& LayoutBuilder) { ... st ...

Bug when trying to Ctrl+Z after Replace Actors

UE - Editor - Workflow Systems - Dec 22, 2023

From the UDN case #00649142: My team noticed a bug where sometimes when using "Undo" (Ctrl+Z usually) the BP they are working on disappears in the level. We were able to find a 100% repro case when ...

Attaching skeletons with welding with simulation broken

UE - Simulation - Physics - Nov 4, 2016

Looks like there may be a missed edge cases when welding Skeletal Meshes. If the Weld Parent has Simulate Physics enabled after welding, the parent continuously tries to depenetrate from the child ...