Exporting a spawnable through Python doesn't work

UE - Anim - Sequencer - Jan 29, 2020

Crash occurs when disabling Show > Static Mesh in the Viewport while using Vulkan

UE - Rendering Architecture - RHI - Oct 20, 2022

This is a regression. Tested in: //UE5/Release-5.0 CL 20979098 - Crash did not occur. Crash occurs when disabling Show > Static Mesh in the Viewport while using Vulkan. ...

Actor Component properties can become "linked" across multiple Blueprints after a hot reload

UE - Gameplay - Components - Dec 3, 2018

If code in an Actor Component class is changed (eg. a new UPROPERTY is added) and a hot reload is performed to implement the changes, the properties in the component can become linked across any Blu ...

Anim notify issue with root motion replication

UE - Anim - Runtime - Jul 9, 2019

https://udn.unrealengine.com/questions/510965/view.html ...

/std:c++17 key is hidden in generated .vcxproj after adding it to the BuildConfiguration.xml

UE - Foundation - Cpp Tools - Dec 10, 2021

As far as I can tell this is a regression. After including C++17 in the build configuration it shouldn't be hidden in the .vcxproj? ...

Crash on Unreal Editor Exit due to subclass of UEditorUtilitySubsystem

UE - Editor - UI Systems - UMG - Jun 18, 2024

Since UE5.4, it has been reported that if there's a class derived from UEditorUtilitySubsystem, the program crashes when the editor exits. This is because the code added in CL30853505 accesses freed ...

BP - Nativized build will crash at runtime if a non-nativized child that inherits from a nativized parent containing a ChildActorComponent sets the CAC class to a non-nativized child of a nativized BP class.

UE - Gameplay - Blueprint - Jan 26, 2020

Current workaround: Add a dummy variable to either BP_Owner_Child or BP_CAC_Child to force one of the two to be nativized. ...

Editor Crashes when spawning a Physics enabled object inside another

UE - Simulation - Physics - Sep 22, 2017

Editor Crashes when spawning a Physics enabled object inside another. Regression: Unknown Can Test in Main if requested. ...

[MRQ] Simulating in editor during runtime rendering causes an assertion to fail after rendering is done

UE - Graphics Features - Apr 19, 2022

Simulating in editor during runtime rendering causes an assertion to fail after rendering is done. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did not occur there ...

[CrashReport] UE4Editor_Engine!CropRawTrack() [animsequence.cpp:1798]

OLD - Anim - Dec 14, 2018

Comment from user in crash groupTried to delete frames in an animation ...