The Open Level command is causing Android devices to freeze up

UE - Platform - Mobile - Dec 1, 2014

If you use the Open level node in the newest promoted build, once the project is deployed to an Android device, when triggered with a UMG, the project will freeze and be unplayable. Issue does not ...

[CrashReport] UE4Editor_CoreUObject!FPackageName::LongPackageNameToFilename() [packagename.cpp:381]

Tools - Jul 14, 2017

This is a common crash affecting users in 4.15 and 4.16. It appears to often occur while editing static meshes. User DescriptionsI was editing a mesh, added a socket, didnt immediately rename it, s ...

Volumes with infinite or missing faces when importing .fbx file

UE - Graphics Tools - Modeling Tools - BSP - Sep 16, 2024

UDN Description: We are having issues with the "Create Blocking Volume" tool on StaticMeshActors. When we create a convex blocking volume (any convex, rough or heavy), we often have volumes that ha ...

When walking off of angled geometry the player pawn will fall off of the edge horizontally instead of falling

UE - Gameplay - Player Movement - Nov 26, 2014

When walking off of angled geometry the player pawn will fall off of the edge horizontally instead of falling. Even with all possibly related values changed in the character defaults, the player wi ...

[CrashReport] UE4Editor_UnrealEd!PackageTools::ReloadPackages() [packagetools.cpp:576]

Tools - Jun 29, 2017

This is a common crash affecting users on 4.16. Users have not provided any descriptions, so additional information is currently unavailable. Source Context 561 ::SortPackagesForReload( ...

Exporting Mannequin to Blender then Re-importing to UE4 Incorrectly Rotates Animations by 90 Degrees

OLD - Anim - Jun 16, 2015

Exporting the UE4 Mannequin to Blender then re-importing to UE4 breaks the animations, causing them to reimport rotated 90 degrees ...

Mouse loses focus after setting show mouse cursor to true and clicking anywhere on screen

UE - Gameplay - Input - Nov 17, 2014

If the mouse is toggled to show by using "Set Show Mouse Cursor" and then the user clicks in the window the mouse will lose focus (the camera will no longer freely track the mouse) ...

Delegation issue with copied instances of a Trigger BP that is based off of the StaticMeshActor

UE - Gameplay - Blueprint - May 13, 2015

Delegation issue with copied instances of a Trigger BP that is based off of the StaticMeshActor parent class. If bp Trigger A is placed into the level and then 2 copies are made (B & C), when C i ...

Animation Orientation does not Auto-Convert to UE4 Coordinates when Reimporting

OLD - Anim - Nov 23, 2015

Animation orientation does not auto-convert to UE4 coordinates when reimporting the same way it does when importing the same animation as a new import. In other words, a run animation generated from ...

Local binary build of 4.22.1 fails when only Visual Studio 2019 is installed

UE - Foundation - Cpp Tools - Apr 30, 2019

Attempting to create a local binary build of 4.22 using Visual Studio 2019 (with no other versions of Visual Studio installed) currently fails with several warnings and errors, including the followi ...