Crash when renaming a component to same name as a deleted inherited component.

UE - Gameplay - Blueprint - Oct 24, 2019

Fatal error "UE_LOG(LogObj, Fatal,TEXT("Renaming an object (%s) on top of an existing object (%s) is not allowed"), *GetFullName(), *ExistingObject->GetFullName());" is hit in UObject::Rename.  ...

Loading a blueprint that uses the GetOptions meta data causes an ensure

UE - Gameplay - May 6, 2020

Loading a blueprint that uses the GetOptions meta data causes an ensure ...

Data Table export/import doesn't support map/set properties

Tools - Feb 27, 2017

DataTableUtils::IsSupportedTableProperty needs updating to include those types, and we should probably also make sure they export in a nice way in the JSON exporter/importer (the CSV one can just us ...

TextBlock kerning does not match the screen resolution scale.

UE - Editor - UI Systems - Slate - Dec 15, 2021

The kerning of the TextBlock does not seem to follow the dpi scale of the screen resolution.When the Image (which captures the display of the TextBlock) and the TextBlock are displayed, they match a ...

Creating an AnimStreamable asset immediately crashes the editor

UE - Anim - Runtime - Feb 6, 2024

When creating an anim streamable we immediately fail a check in the compression code in FCompressibleAnimData::FetchData: checkf(AnimSequence, TEXT("Invalid animation sequence while trying to fetc ...

Scale box affects all children in a parent container widget when setting User Specified Scale

UE - Editor - UI Systems - Jul 5, 2018

When a scale box is the the first child of a container widget, setting the user specified scale to 0 will affect all other widgets in the same parent container. ...

bIsComposing assert with Japanese MS-IME input(candidate list related)

UE - Editor - UI Systems - Localization - Apr 18, 2017

When using MS-IME as Japanese input method, scrolling out the text field out side the view causes bIsComposing to be set false - this state causes instability of the editor. Crash happened with Win ...

Datasmith Import flipped for Autocad 2020 files

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 29, 2019

Some of the items has scaling issues and there are quite a few that have moved from their origin point as well, but the biggest problem is that the whole model is mirrored. even the text. This was ...

Content ordering for assets with full numeric names.

UE - Editor - Content Pipeline - Content Browser - Feb 5, 2016

Content files that are labeled with both text and numeric values sort correctly, but files containing only numbers, don't share this behavior and end up with weird sorting order. MyMat_20, MyMat_20 ...

Media player does not play audio or video on the Xbox One

Media Framework - Nov 18, 2016

Audio and video are not playing on Xbox One. This issue affects both MultiTrack and Single-Source media sources. Debug text output meant to display the audio / video track currently being played i ...