Unreal Engine Issues
Unreal Engine Issues
AI MoveTo Blueprint node will zero velocity on Pawn when called, causing a freeze if the Pawn is already moving
UE - AI - Oct 4, 2016AI MoveTo Blueprint node will zero velocity, causing a stop when a new destination is set if the Pawn is currently moving. Regression: Yes Worked: 4.12.5 (CL 3039270) Broken: 4.13.1 (CL 3142249) F ...
PostRepNotifies may not always be called
UE - Networking - May 8, 2018FObjectReplicator::UpdateUnmappedObjects calls CallRepNotifies, but does not call PostRepNotifies. Further, the order of CallRepNotifies and PostNetReceive in FObjectReplicator::UpdateUnmappedObje ...
Creating 3 player splitscreen causes viewport to go black on PIE
UE - Graphics Features - Feb 13, 2015If a game is set to play with 3 player splitscreen, starting the came will cause the viewport to go completely black. Does not occur with 2/4 players. Does not occur in standalone ...
Adding a Local Variable to a blueprint Construction Script will cause a crash
UE - Gameplay - Blueprint - Dec 18, 2014Adding a Local Variable to a blueprint Construction Script will cause a crash ...
Editor Crashes when clicking on Transform(Modify) Bone node in Content Examples
OLD - Anim - Mar 4, 2015Crash Report: [Link Removed] Error Message: Assertion failed: ResultString.Num() == 3 [Link Removed] [Line: 298 Description: In the Content Examples Project, in the Blueprint, "CurveAnimBlueprint_ ...
VisionOS deferred renderer regression
UE - Platform - XR - Sep 11, 2024Deferred desktop renderer does not function correctly on visionOS. It did work in 5.4. One problem is the r.XRMSAAMode setting forcing 4 samples even when not using msaa, but there are other probl ...
Crash undoing static mesh translations several times
UE - Networking - Oct 13, 2016Crash occurring when you undo moving a static mesh around in the viewport This is NOT occurring in 4.14 ...
Horde server fails to build Docker image
UE - Foundation - Horde - Server - Apr 1, 2025If you attempt to build the Horde server Docker image right now it fails unless you have some of the layers cached or a nuget proxy/cache that has cached some packages. JetBrains have renamed their ...
Rendering glitch when launching on Android
UE - Platform - Mobile - Aug 2, 2016https://answers.unrealengine.com/questions/462957/rendering-glitch-when-launching-on-android-ue413-p.html I was able to repro it on Nexus5 with Android 5.1.1. ...
ES2 Fallback Fails on Nougat Devices that do not support Vulkan
UE - Platform - Mobile - Aug 28, 2016Discovered this while doing RC candidate testing for 4.13 Works fine in all other use cases: Nougat devices that support Vulkan Marshmallow devices that support Vulkan Marshmallow devices that don' ...