Unreal Engine Issues
Unreal Engine Issues
PCGComponent in PCGVolume is called "PCG Component", breaking t3d serialization
UE - World Creation - Procedural Tools - PCG Component - May 21, 2024From PCGVolume.cpp: PCGComponent = ObjectInitializer.CreateDefaultSubobject<UPCGComponent>(this, TEXT("PCG Component")); The Component name with a space does not support a round trip through FSof ...
FNetGUIDCache warning when attaching non-replicated component to a replicated scene component
UE - Networking - Jul 18, 2024When the replicated scene component's AttachChildren array is replicated, the package map attempts to serialize the non-replicated component, causing the warning that the object is not supported. ...
Editor iOS rotation specifiers are not followed (especially Portrait)
UE - Platform - Apple - Oct 20, 2023Specifying which orientations the iOS app supports are not honoured correctly. ie: a landscape only game will still render in Portrait mode even when Portrait is disabled in the iOS Settings panel ...
Debug lines do not properly draw on first hit of projectile when CCD is used and projectile is shot at a thin object or BSP.
UE - Simulation - Physics - Jan 2, 2015When firing a projectile that has CCD activated, the first hit on an object that is either a bsp or very thin wilil draw a debug line through the object instead of drawing away from the impact point ...
Local Exposure can cause large variations in PreExposure under certain conditions
UE - Graphics Features - Sep 16, 2025PreExposure is influenced by LocalExposure in PostProcessEyeAdaptation.cpp:1265. It appears when the scene is particularly dark and using manual exposure, the LastAverageLocalExposure can read a lar ...
Add 'restart editor' popup when changing 'enable UV from hit result'
UE - Gameplay - Jul 13, 2016The Support UV From Hit Results flag in Project Settings does not take effect until the user restarts the editor. Enabling this doesn't let the user know that they have to restart the editor. ...
Detect OnHovered event in child widgets even if HitTest(Self/Child) is disabled in RetainerBox
UE - Editor - UI Systems - UMG - Jan 11, 2024When HitTest(Self/Child) is disabled in RetainerBox, the child widget is assumed to not fire all hit test events. However, in this case, the hit test event is fired in the child widget. This is an i ...
Crash on Event Begin Play with UMG Widget and 2 or More Players
UE - Editor - UI Systems - Feb 25, 2015A player with UMG widget created on BeginPlay works fine when hitting play with only 1 player, but if you set the number of player > 1 it will crash. User believes this is somewhere related with t ...
Line Trace's chained together into a ricochet do not work on all normal directions
UE - Gameplay - Jan 27, 2015Line Trace's chained together into a ricochet do not work on all normal directions. They seem to fire inside of the object. The blueprint setup in screenshot #2 is in the MyCharacter bp. ...
Inconsistency in clickable widgets when a selection is held down
UE - Editor - UI Systems - May 24, 2017Inconsistency in clickable widgets when a selection is held down . In this example the button widget reacts only once, while the combo box appears to repeatedly fire while the enter key is held ...