Editor crashes when the "Find in Blueprints" dialog runs its indexing task after any SlowTask was canceled by the user

UE - Framework - Blueprint - Sep 17, 2024

If any SlowTask is canceled by the Editor's user, and later on the "Find in Blueprints" dialog is opened and needs to perform its async indexing task, the Editor crashes on thread FAsyncSearchIndexT ...

Crash when loading array of UStructs containing Instanced property

UE - Gameplay - Blueprint - Jan 26, 2022

The editor crashes with a failed assertion when opening a blueprint actor that contains a structure with instanced objects. ...

Reset to default behavior for arrays is inconsistent about updating customized struct headers

UE - Editor - Workflow Systems - Jun 22, 2023

The behavior for resetting the default for customized struct properties is inconsistent and needs to be reviewed and fixed. Currently we see this behavior:In non-array properties, the header will be ...

BlueprintGetter does not work with or disable AnimGraph Fast Path

OLD - Anim - Jan 23, 2020

When used as part of the fast path in an ABP, variable Blueprint Getters are not used. If something with a getter that does not conform to or is supported by fast path, is used then fast path should ...

Animation Blueprint does not update in editor if ActorComponent UProperty is changed while ActorComponent is selected on placed Actor

UE - Gameplay - Components - Apr 14, 2020

At editor-time (ie, while using the editor and NOT in a PIE session), the Animation Blueprint's ability to read updated values appears to depend on what component of an Actor is currently selected, ...

VirtualJoystick continues inputs after setting new Touch Interface to none

UE - Platform - Mobile - Jul 29, 2016

If you set the Touch interface to none while there is currently inputs being registered, the inputs will continue forever. I also found that if you set the Touch interface to an actual asset the pla ...

Crash when updating instanced subobjects in a USTRUCT

UE - Gameplay - Blueprint - Jul 5, 2017

Attempting to edit array of instanced subobjects causes the editor to crash. ...

ARKit portrait image aspect ratio incorrect on iPhone 6s,7, probably all phones.

UE - Platform - XR - Nov 29, 2017

As described in this UDN thread, the iPhone 7 manifests incorrect image aspect ratiohttps://udn.unrealengine.com/questions/403841/ios-arkit-portrait-mode-stretching-on-iphone-7.html [Link Removed] ...

TArray64 RangeCheck prints the incorrect error messages for values over 32-bit length

UE - CoreTech - Apr 27, 2022

TArray64 RangeCheck prints the incorrect error messages for values over 32 bit. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did occur there, it is not a regressi ...

Bindless Textures do not mip stream as expected

UE - Rendering Architecture - RHI - Jan 29, 2025

Bindless textures do not appear to stream mip levels. This issue is separate from an already reported bindless virtual texture streaming issue. When the editor is freshly launched or when mip level ...