Unreal Engine Issues
Unreal Engine Issues
Global Open Asset Dialog has a duplicate filter for "other developers assets"
UE - Editor - Content Pipeline - Content Browser - May 29, 2019CL# 4832458 enabled bAddFilterUI, which causes a SFilterList to be created for the global open asset dialog. This SFilterList causes a duplicate FFrontendFilter_ShowOtherDevelopers to be added to th ...
Cannot add Instanced UObjects to ActorComponents who belong to Actors placed in the level.
UE - Gameplay - Blueprint - Aug 9, 2016When a Actor Blueprint is placed in the world with a TArray of instanced UObjects, the + button to add a new instance of the object wont create a instance of the object. ...
Changing the default Child Actor Class of a ChildActorComponent results in any instances of the Blueprint in the level gaining an extra ChildActorComponent.
UE - Gameplay - Components - Nov 13, 2015Changing the default Child Actor Class for a ChildActorComponent in a Blueprint after an instance of that Blueprint has been added to a level results in the instance in the level gaining an extra Ch ...
Bug in ULevel::FixupActorFolders.
There is a potential bug in ULevel::FixupActorFolders() in the FixDuplicateFolders section: Suppose you have a folder hierarchy that looks like this:A B(1)B(2) C(1)B(3) C(2) where the letters ...
Cannot Scroll down to events with advanced options expanded
UE - Editor - UI Systems - Slate - May 31, 2017When using UMG and enabling advanced options then deselecting and reselecting the asset can cause issues with the scrollbar length and cause some options to be initially cut off. The scrollbar then ...
UE4 Crashes if multiple Vive Trackers or Lighthouses are used
UE - Platform - XR - Jan 24, 2018User reports that if more than 5 trackers are connected, UE4 crashes Suggested fix: Root cause of bug is related to the fact that UE has no setup to receive input events from Vive Trackers. (we ha ...
Crash in UDataTable::RemoveRow(FName RowName)
UE - CoreTech - Jun 13, 2025This is a regression, the crash seem to have been introduced by CL 40129784 on ue5-main and persists in latest. Function UDataTable::RemoveRow(FName RowName) uses macro DATATABLE_CHANGE_SCOPE_SINGL ...
Regression: Several project settings, especially from built-in Plugins, are being silently erased when previously they were not, which is perceived as a bug
UE - Foundation - Feb 28, 2025In UE's Project Settings, some pages are saved automatically to the project's "Config/Default<CATEGORY>.ini" file (meant to be version-controlled) on every change. Other pages have buttons "Set as D ...
Level will crash if Landscape material layer can't find LayerInfo file.
UE - LD & Modeling - Terrain - Landscape - Sep 8, 2016Artist had problem open his level after LayerInfo file was deleted ...
Regression: Cannot import Landscape Layer Weightmap along with Heightmap because of broken resolution check for tiled images.
UE - Graphics Tools - Terrain - Jan 30, 2025When working in the "Landscape" editor mode, in both the "New" and "Import" tools, it is possible to import a single heightmap, as well as a weightmap for each layer. Each of these maps can come fro ...