Unreal Engine Issues
Unreal Engine Issues
Issue with PLA Editing inside another PLA causes Z-Fighting or Mesh Disappearance.
UE - World Creation - Worldbuilding Tools - Dec 6, 2024When editing a Packed Level Actor (PLA) that is inside another PLA, z-fighting or mesh disappearance will occur. More specifically, it is seen when duplicating a mesh inside the PLA, upon saving the P ...
Performance issue with the material dock
TM - Tools - Oct 1, 2025See video. Tested on 2025.2 In a project where you have a lot of materials, it take a long time to open the material dock. Here around 20 seconds. And that's at each time you want to enter it. Y ...
EQS Query Not Detecting Different Floors
UE - AI - Jul 7, 2016Running an EQS for something such as finding a random point on a grid will not generate results on multiple floors. See the attached screenshot for an example. Was unable to reproduce in 4.11.2 d ...
Match3 Crashes on IOS and Android when Packaged using Nativized Blueprint Assets
UE - Gameplay - Blueprint Runtime - Aug 19, 2016Match3 crashes shortly after being opened on both Android and IOS devices when the experimental blueprints option "Nativized Blueprint Assets" is enabled. Verified that the issue does not occur if ...
SkyLight makes level entire green on Android devices
UE - Platform - Mobile - Aug 10, 2016https://udn.unrealengine.com/questions/305453/skylight-makes-our-level-entire-green.html Licensee was seeing this only on this device: SM-G906S Android 5.0.1 Adding glFlush call in CaptureSceneToS ...
Characters will rarely spawn on top of each other in a networked session
UE - Simulation - Physics - Oct 31, 2016REGRESSION: Maybe (had one occurring of it happening in 4.13.2) When playing with multiple players at the same time in a networked session, it's possible if rare to have characters spawn so they st ...
Dedicated Server crashes when client connects in particular circumstances
UE - Networking - Jun 9, 2016Running a dedicated server with the setup in this fairly simply project causes a crash when a client connects. I'm unaware of the actual cause but getting the reproduction was all I could do. Logs ...
Crash when connecting to Source Control
Tools - Apr 27, 2016Attempting to connect to Source control causes the editor to crash immediately. According to Travis.L this only affects Binary builds. Regression: YES - Connecting to source control worked as expec ...
FAssetRegistry::SaveRegistryData fails check on redirected umaps
Tools - Feb 22, 2017When FAssetRegistry::SaveRegistryData() is invoked for a umap redirector it will fail the check check(!bIsMap || (InDependencyType == EAssetRegistryDependencyType::Soft)); Because the redirector ...
Nullptr dereference in FHeadMountedDisplay::UpdateSplashScreen()
UE - Platform - XR - Apr 5, 2017A customer has had problems running a game with a splash screen when passing -game flag to the editor. UpdateSpashScreen will call GetCurrentFrame, which can return a nullptr but fails to verify it ...