Unreal Engine Issues
Unreal Engine Issues
Dynamically Created Render Target Does Not Work in Packaged Project
UE - Graphics Features - Mar 27, 2019Dynamically created render targets do not work as expected when packaged for windows. If it is replaced with a static render target, it works fine. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 ...
Support for import/reimport of mesh LODs is unavailable in Blueprint and python
UE - Editor - Content Pipeline - Import and Export - Mar 31, 2020The missing API prevent clients to do good scripted import pipeline tools. there is two UDN thread that can be solve by this JIRA https://udn.unrealengine.com/questions/566538/how-to-add-a-custom- ...
Console Variables Editor plugin disables some CVars in Slate
UE - Editor - UI Systems - Slate - Jan 22, 2024The following console commands do not work when the ConsoleVariablesEditor plugin is enabled.Slate.GameLayer.ViewportSlotVisibleSlate.GameLayer.DebugCanvasVisibleSlate.GameLayer.PlayerCanvasVisibleS ...
ULoadingScreenManager::ShowLoadingScreen() causes a nested UWorld::Tick() that leads to a crash when using CommonLoadingScreen in Lyra.
UE - Content - Sample - Apr 24, 2023Encountering a crash in Lyra when you hit PIE if you have an animation montage document open with an animation segment selected and the preview scene visible in the animation segment details panel. ...
Widget Flickering Observed in RetainerBox with Incorrect LayerId
UE - Editor - UI Systems - UMG - Nov 19, 2024Setting the Phase Count of a RetainerBox to 2 or more may cause other widgets within the same UserWidget to flicker. Upon investigation, we found that during frames where the flickering occurs, the ...
Crash from FGameplayDebugger when pressing PIE after Dragging PlayerController to Empty Player Component
UE - AI - Jun 16, 2015A crash occurs after dragging an 'Empty Character' actor into the viewport and attempting to add the 'PuzzlePlayerController' as a component by dragging it into the components list via the 'Details' ...
Crash Occurs When Setting Child Actor Class in Child Blueprint
UE - Gameplay - Blueprint - May 4, 2017A crash occurs when setting the Child Actor Class of an inherited child actor component. This is not a regression. It occurs in 4.14.3 CL# 3249277, 4.15.2 CL# 3416026, and 4.16 Preview 2 CL# 34155 ...
Component default data can be lost for a non-nativized Blueprint class that inherits the component from a nativized parent Blueprint class.
UE - Gameplay - Blueprint - Sep 5, 2018This is a regression that was introduced by the fix for [Link Removed]. The fix makes an invalid assumption that instances of components whose archetypes are inherited by a non-nativized child Blue ...
UUserWidget::NativeDestruct may be called on a preview widget if PIE is started while the widget needs compilation
UE - Editor - UI Systems - Jun 4, 2018By starting PIE while an uncompiled widget is open in the widget editor, it's possible to trigger a call to NativeDestruct on the preview widget. This is especially dangerous because NativeConstruct ...
Memory-only FMOD assets cause 'unable to find cached package' spam in log
UE - Foundation - Core - Cooker - Jan 23, 2017When loading individual events/sounds in an FMOD bank file, the cook will emit a warning for each asset which pollutes the log file with superfluous messages. This is because the actual event/sound ...