Unreal Engine Issues
Unreal Engine Issues
BoneMap thread safety crash
UE - Graphics Features - Aug 9, 2016Crash occurs in FGPUBaseSkinVertexFactory::FShaderDataType::UpdateBoneData() on RenderThread2 at the following line: check(NumBones <= MaxGPUSkinBones); The problem seems to be a race condition ...
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 ...
Incorrect render target index assignment in GLSLBackend
UE - Graphics Features - May 18, 2018While investigating [Link Removed], I have found that GLSLBackend always automatically generates render target location indices, regardless of user-specified ones via SV_TargetX HLSL semantics. Rel ...
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 ...
Blueprint Structure breaks when the Editor is closed and re-opened if the struct contains variables that are a Class Reference and a Soft Object Reference to a Blueprint
UE - Gameplay - Blueprint - Nov 8, 2018A struct containing variables that are a Class Reference and Soft Object Reference to a Blueprint no longer works after the project is closed and re-opened in the Editor. If a variable of the struct ...
Camera bookmark modifications are not saved unless it is a new bookmark
UE - Editor - Verse Class Editor - Dec 2, 2022This is not a regression. Tested in //UE5/Release-5.0 cl20979098. Camera bookmark modifications are not saved unless it is a new bookmark. From the user reporter: "FBookmarkTypeToolsImpl.CreateOrS ...
Crashes when playing Slomo on NiagaraSystem with Solo and DesiredAge.
UE - Rendering - Architecture - Niagara - Mar 23, 2023When Slomo 2 is used to speed up the process, TicksToProcess is greater than 1, which means that ManualTick is called several times during one loop. When playback is completed by a ManualTick in t ...
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 ...
Editor crash on level load with multiple actors with the name "(none)"
Tools - Jun 14, 2017If three or more actors are saved to a level with the same name in the Content Browser of "none", attempting to load the level (open or right click on umap asset in content browser) causes the edito ...