Unreal Engine Issues
Unreal Engine Issues
Morph Targets flicker Randomly in Slave Mesh
OLD - Anim - Oct 1, 2015When a mesh is slave to a master mesh, its morph targets will flicker when Played in Editor. This does not occure with the same assets in 4.8. This has been reported by at least two different use ...
FBatchedElements::Draw - OrthoZoomFactor can be reset to 1.0f if Line.bScreenSpace is ever false
UE - Graphics Features - Feb 20, 2017A licensee has reported that the Draw function in BatchedElements.cpp can set the OrthoZoomFactor (not a local variable) to 1.0f if Line.bScreenSpace is ever found to be false. The line this can oc ...
Unable to Save or Close Editor after Copying .FBX to Content Folder via Project Directory
Tools - Jul 5, 2017The editor is not allowing users to save or close a project after an .FBX file has been copied to the project's Content directory and allowing the Content Browser to discover the change in source fi ...
[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 ...
Sound Wave Actions Menu Closes Automatically When Changed to Columns View
Tools - Dec 15, 2017After changing the view to columns (by going through Right click < Create Dialogue < View Options < Columns) the Sound Wave Action menu will close out automatically before any options can be selecte ...
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 ...
Fog Does Not Behave As Expected in Splitscreen
UE - Graphics Features - May 25, 2018This bug seems to repro very inconsistently for me, but I've seen it affect Atmospheric Fog and Exponential Height Fog, and reproduced in 4.18.3, 4.19.2, and Main CL 4093338. I've attached Config fi ...
[AI] Navmesh tiles on different layers get removed while streaming out in WP Dynamic Modifiers Only navmesh
UE - AI - Navigation - Feb 6, 2025Streaming out the navmesh and streaming the area back into the world before the GC runs causes the navmesh streamed back into the world to only have navmesh tiles on a layer with tiles that would b ...