Crash when loading iCloud/CloudKit SaveGame on iOS

UE - Platform - Mobile - Jun 5, 2019

"...it seems the crash occurs because it is trying to load an empty (0 byte) save file. Stepping through the code in Engine/Plugins/Online/IOS/OnlineSubsystemIOS/Source/Private/OnlineUserCloudInterf ...

Moving actor to another level breaks soft object reference

UE - Gameplay - Jun 9, 2020

REGRESSION: In 4.24, there was a fixup process that would allow the soft reference to remain valid. This seems to be missing in 4.25 Moving an actor to another sublevel immediately breaks soft ref ...

Editor Utility Widget - 'Fill Data Table from JSON string' node parsing error

Tools - Nov 24, 2020

Issue also occurs in 4.25 therefore not a regression. Original issue was submitted by a user 'Fill Data Table from csv string' node does work though The following is a snippet of the error output ...

Fbx Importer: Make sure the blendshape curve keys have the correct tangent scale

UE - Anim - Oct 4, 2021

The tangent of the blendshape curve seam to have the wrong scale (but correct direction) from this UDN. https://udn.unrealengine.com/s/question/0D54z000079J03OCAS/skip-compressing-anims-and-buildin ...

Vector addition wildcard does not cast from integer to float (double-precision) when split apart vector pin is utilized

UE - Gameplay - Blueprint - May 13, 2022

Vector addition wildcard does not cast from integer to float (double-precision) when split apart vector pin is utilized. You can also utilize a Vector2D to get the same results. Repro Rate: 3/3 Te ...

Geometry Collection component in BP always visible

UE - Simulation - Physics - Destruction - Dec 1, 2022

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. It's only through the Details panel that this happens; Geometry Collection visibility can ...

Landscape Layer Masks can't be imported

UE - Graphics Tools - Terrain - Landscape - Jan 3, 2023

Repro Rate: 3/3 This is a live issue that has been tested to occur in //UE5/Release-5.1 at CL 23058290. This is also confirmed to not be a regression since this issue also occurs in //UE5/Release- ...

[CrashReport] UE4Editor_UnrealEd!FAssetData::FAssetData() [assetdata.h:107]

Tools - Feb 22, 2018

No user comments on crash group ...

ES2 Fallback Fails on Nougat Devices that do not support Vulkan

UE - Platform - Mobile - Aug 28, 2016

Discovered this while doing RC candidate testing for 4.13 Works fine in all other use cases: Nougat devices that support Vulkan Marshmallow devices that support Vulkan Marshmallow devices that don' ...

RebuildRenderData is still not safe during cook time

UE - Gameplay - Paper2D - Apr 21, 2015

https://answers.unrealengine.com/questions/215370/some-sprites-tiling-into-tiny-grid-in-packaged-ver.html UTexture2D::ConditionalPostLoad doesn't wait for the render data to finish caching outside ...