Pressing Cancel after ColorPicking a Sequencer's tracked Color will not reverted the color to the previous value

zComponent - Archive - Jun 22, 2025

Pressing Cancel after ColorPicking a Sequencer's tracked Color will not reverted the color to the previous value. There's a bug when ColorPicking a color that is being tracked in Sequencer - pressin ...

Non-terminating while loop when creating a new BP Actor and quickly switching between components.

UE - Gameplay - Blueprint Editor - May 14, 2024

It is possible for the while loop in UnrealEditor-SubobjectDataInterface.dll!USubobjectDataSubsystem::GetActorRootHandle(const FSubobjectDataHandle & StartingHandle) Line 815  to not terminate when ...

Crash when opening a sequencer that has an actor with spring controller registered and play in editor

UE - Anim - Runtime - Mar 4, 2021

During end play in editor, there is an access violation referencing WorldSettings from SpringBone.  In the attached project, the character registered in the sequencer uses the "SpringController" no ...

Crash when launching dx12 for the first time with Rect Lights

UE - Rendering - Architecture - RHI - Mar 20, 2019

Users on the forums are hitting a crash on their initial launch of the engine into dx12. There is currently a workaround to load into the project with dx11 first, compile shaders, then youre fine to ...

iOS builds fail on Windows.

UE - Platform - Mobile - May 15, 2026

Loading Windows installed iOs mobile provisioning profiles fails at start of iOS build from windows machine. This due to a recent change that attempts to load PKCS12 from mobileprovision files. Thes ...

Crash occurs while attempted to drag and drop an asset from Bridge while it is docked to the Sidebar

Quixel - May 17, 2022

An Assertion is thrown while attempting to drag and drop an asset from Bridge while it is docked to the Sidebar ...

Deleting animation key values of ParagonKhaimera's 1D BlendSpace while the animation is previewing in Animation Editor will result in Engine crash

OLD - Anim - Jan 30, 2019

Deleting ParagonKhaimera BlendSpace 1D key values while the animation is previewing in Animation Editor will result in Engine crash. ...

Crashes occur when executing MRQ while adding UMG with RetainerBox.

UE - AI Workflows - UI Systems - Slate - Sep 9, 2025

Create an asset containing a RetainerBox in UMG, then add the created UMG to the viewport using AddViewport. Running MRQ after this causes a crash. ...