Drag and Drop fails in Standalone and Packaged builds when WidgetComponent’s Widget is set at runtime

UE - Editor - UI Systems - Dec 4, 2025

When a UWidgetComponent has its widget assigned dynamically at runtime using CreateWidget and SetWidget, drag & drop operations fail in Standalone Game and packaged/game builds, while working correc ...

Input Touch Hold trigger fails to reset, unlike Mouse Hold (using Enhanced Input Context)

UE - Gameplay - Input - Nov 13, 2025

When using the Enhanced Input Context, the Input Touch Hold trigger does not reset correctly after releasing a touch input. Unlike Mouse Hold, which keeps firing Canceled events as expected, Input T ...

Incorrect transforms when breaking a packed level actor

UE - World Creation - Worldbuilding Tools - Level Instances - Aug 14, 2023

See "Steps to Reproduce" ...

VectorParameter UI display in the Layer Parameters Panel of MIC editor issue

UE - Rendering Architecture - Materials - Aug 22, 2023

Network Prediction Insights tool checks/crashes with trace data from a multiplayer PIE session

UE - Gameplay - Network Prediction - Mar 27, 2024

Loading a trace in Insights that has Network Prediction channel data from a multi-client PIE session will hit a check and crash the Insights tool. ...

Nanite static mesh components are not individually highlighted when selected

UE - Rendering Architecture - Apr 30, 2024

Non-nanite static mesh components still show an individual highlight outline which individually selected even with other non-nanite static mesh components in the same actor. This is different when t ...

Depth of field and Refraction issue

UE - Rendering Architecture - May 15, 2024

Refraction does not adjust the scene depth texture, leading to a mismatch between Scene Color samples and Scene Depth samples. ...

Nested PackedLevelActor bounds issue

UE - World Creation - Worldbuilding Tools - Level Instances - Jul 23, 2024

AfterMotionBlur Translucent Material With Local Exposure Enabled Causing Artifacts

UE - Graphics Features - Feb 20, 2025

When TSR is enabled, translucent materials using the AfterMotionBlur translucency pass cause visual artifacts when local exposure is active. The artifacting is believed to occur because the local ex ...