Unreal Engine Issues
Unreal Engine Issues
Failed to find stub IPA when uproject name is changed from default
UE - Platform - Mobile - Nov 1, 2018Failed to find stub IPA when packaging for iOS. This also happens with File > Package > iOS.IPP ERROR: Failed to find stub IPA 'D:\FaceARSample421\Binaries\IOS\FaceARSample421.stub' Regression: Yes ...
Post Process Material + Stereo Rendering = Left Eye Black
UE - Platform - XR - Dec 16, 2019Left Eye Renders black in VR when a PostProcess Material is applied. On Quest Right eye renders post process mat and left eye renders scene, but upsidedown. Also occurs in Packaged Project and/or ...
Unable to Import Alembic Files in UE4
UE - Editor - Content Pipeline - Import and Export - Feb 25, 2020We have written a plugin for UE4 that allows Unreal users to import and set up Megascans assets into Unreal Engine. Recently we added Alembic files to our assets and also updated all our plugins to ...
Packaged Game crashes when using blend space that was added from the context menu
UE - Anim - Runtime - Anim Blueprints - Nov 16, 2021Blendspace created within an animation blueprint from the context menu throws an assertion when packaged and ran. Only occurs in packaged projects. The blendspace will work correctly in PIE, and st ...
Regular UMG Widgets can be reparented to editor widgets but do not work.
Tools - May 11, 2020This may just need to be closed, we may not be able to control this at such a level. This really comes up more than you would guess. I think almost everyone has made a widget, wanted to call Edito ...
OnObjectPropertyChanged Firing Excessively when FText is Bulk Edited
UE - Editor - Jun 28, 2023If multiple game objects are selected at once and their text field is edited, instead of getting N events, it produces N-squared events. It looks like FPropertyHandleBase::SetPerObjectValue is call ...
Ensure triggered when creating Scene Proxy for GroomComponent
UE - Rendering Architecture - RHI - Apr 30, 2025When a room component is added in C++ via the actor constructor, an ensure is triggered from precaching and the groom component. Behavior also observed on UE5/Release-5.5, CL: 40988944 ...
Get Blackboard Value with null input causes crash
UE - Gameplay - Blueprint - Jan 6, 2015Getting a blackboard value as actor and setting an actor to that on tick causes crash. The real issue here is that you can use a function in BP (in this case `UBTFunctionLibrary::GetBlackboardValue ...
Color Picker window closes when selecting objects in the viewport with the Eye Dropper Tool
Tools - Apr 13, 2017The color picker window stays open if the Eye Dropper tool selects color from anywhere other than the viewport. The color is captured in the color picker before it closes, but makes it a nightmare t ...
ABSLOG command fails to parse properly if path includes a ) and does not contain a space
UE - Foundation - Core - Jan 22, 2019A licensee has reported an issue where using ABSLOG results in some parsing issues with certain characters in path names. In this example, the issue is with ). If the Parse function ends up parsing ...