[CrashReport] UE4Editor_Landscape!ULandscapeComponent::ReallocateWeightmaps() [landscapeedit.cpp:4208]

UE - LD & Modeling - Terrain - Landscape - Nov 16, 2017

This is an infrequent but longstanding crash that has occurred since at least UE 4.12. User DescriptionsTrying to paint a landscape texture on a seemingly bugged out sector, which was stuck with th ...

Behavior Tree Decorator Not Aborting When Observer Aborts is Set in Behavior Tree

UE - AI - Jun 15, 2016

Behavior Tree Decorators are not aborting when observer aborts is set in the Behavior Tree. Setting Observer Aborts inside of the Decorator blueprint causes it to work as expected. Found in 4.12.2. ...

[CrashReport] UE4Editor_Landscape!DeleteLayerIfAllZero() [landscapeeditinterface.cpp:2300]

UE - LD & Modeling - Terrain - Landscape - Nov 28, 2017

This is a semi-common crash in the 4.18 release. There is one recorded case of this callstack also occurring back in the 4.11 release, but it seems to be an exception. All other cases have only occu ...

Bug: Level Sequence OriginOverrideLocation not propagating to newly added nested ShotTracks

UE - Anim - Sequencer - May 14, 2025

Within a Level Sequence, it's possible to override the transform (OriginOverrideLocation) of a ShotTrack. This generally works as expected — all nested ShotTracks should inherit and apply the transf ...

UEnum::NumEnums appears to be returning one more than the actual number of elements in an enum.

UE - Foundation - Core - Jan 6, 2015

A user reported that UEnum::NumEnums appears to be returning one more than the actual number of elements in the enum. ...

Nanite Dynamic Tessellation issue with Material Layers

UE - Graphics Features - Nanite - Dec 1, 2023

Hidden and empty categories of a UObject are shown in a Data Asset's details panel

Tools - Nov 12, 2018

When looking at the details of a UObject contained in a Data Asset, some categories are shown even though they should not be. If a category is marked as hidden in the parent class, it will be shown ...

PropertyAccessUtil methods do not do propagation to instances when editing archetypes

UE - Editor - Workflow Systems - May 14, 2020

Currently value propagation is handled at the property node level (c.f., PropagateContainerPropertyChange), and is unavailable to any other editor code / scripting (whether in Python or BP or C++). ...

GooglePAD ondemand assetpack file packaged redundantly in obb file

UE - Platform - Mobile - Mar 19, 2021

In order to distribute content within GooglePAD's distribution size limit. (1GB for install-time, 500MB for fast-follow, and 500MB for on-demand) we are trying to package it as assetpack by dividing ...

Setting child actor component offset breaks child component variables set in parent constructor

UE - Gameplay - Blueprint - Sep 6, 2016

If a child actor component has a local offset from the parent, any of the child's variables that are set in the parent's construction script are not registered. Workaround: Setting child variables ...