Unreal Engine Issues
Unreal Engine Issues
Wolrd Partition Foliage Builder - Fails to build with multiple external actor folders.
UE - World Creation - Worldbuilding Tools - World Partition - Apr 1, 2025Hello, We are building a world with world partition & a lot of nanite foliage. We want to modify out Foliage Instance grid size via the commandlet. [Link Removed] Even in a new empty level the c ...
[CrashReport] Access violation - FBlueprintCompilationManagerImpl::ReinstanceBatch
UE - Gameplay - Blueprint - Jul 20, 2017This is a trending crash in the 4.17 Preview. Unfortunately users have not provided any additional information. There is no record of this crash occurring in 4.16.2, so it is possibly a regression. ...
OnRep_BurstCounter Not Firing Reliably in ShooterGame
UE - Networking - Nov 17, 2017In ShooterGame, when a Listen Server fires its weapon, the burst effect will not be replicated reliably to the client(s). Adding logging to OnRep_BurstCounter in ShooterWeapon.cpp will show that t ...
Event dispatchers does not correctly compile with variable that is the same BP
UE - Gameplay - Blueprint - Nov 28, 2017There is an issue occurring where Event dispatcher with inputs doesn't compile if they have a variable that is the same as the BP class. This issue only occurs with the variable being the same class ...
GameplayTagContainers can cause a crash in packaged builds when Event Driven Loading is enabled
UE - Gameplay - Dec 15, 2017A user has reported that using a GameplayTagContainer can cause a packaged build to crash when EDL is enabled in certain cases. In this case, if the base C++ class that includes this GameplayTagCont ...
Packaging a runtime plugin in a Blueprint project causes some Editor files to be deleted
UE - Foundation - Cpp Tools - Oct 22, 2018Attempting to package a runtime plugin (does not occur with a Development plugin) in a Blueprint project fails in 4.21 Preview 2. This also causes some Editor files to be deleted, including the Modu ...
Simulating physics overrides the ability to move Skeletal Mesh Actors in Editor after moving a child component
UE - Simulation - Physics - Jun 18, 2019Found in 4.22 CL#6574378 Reproduced in 4.21 CL#4753647, 4.24 Main CL#7062442 May be similar to [Link Removed], which was reported fixed in 4.13 The following warning is spammed when trying to mov ...
Duplicating functions doesn't reset the GUIDs of local variables.
UE - Gameplay - Jun 15, 2023This is actually a bug with function duplication via UEdGraphSchema_K2::DuplicateGraph. After a function graph is duplicated, the function entry node still retains the same GUIDs for its local vari ...
HLOD fading reset after view reset
UE - World Creation - Worldbuilding Tools - HLOD - Jan 24, 2024From licensee:When the player pawn teleports inside a structure that is a HLOD, the dithered HLOD fading transition is not properly reset so we can see it re-starting to fade, from the inside. Our ...
DFAO in 4.9 has significant artifacts on some machines
UE - Graphics Features - Jul 30, 2015Reported in this threadhttps://forums.unrealengine.com/showthread.php?78320-4-9-Horrible-DFAO-artifacts This looks to be a machine specific issue. I'd like to get some testing on different video c ...