Unreal Engine Issues
Unreal Engine Issues
Source assumes that TG_PrePhysics is the first tick group
UE - Gameplay - Feb 16, 2016Licensee has reported an issue with the source code and proposed a fix. The issue is that the source is assuming that TG_PrePhysics is the first tick group in all cases. Information can be found abo ...
I get a compile error when using Particle SubUV nodes and tessellation.
UE - Niagara - Oct 6, 2021I think tessellation will be discontinued in the future, but I will report it just in case. The licensee is not keen on fixing this problem. ...
Enabling Tessellation on Materials in 4.11 causes geometry to Disappear
UE - Graphics Features - Dec 23, 2015Any material that already exists in 4.11p1, with tessellation enabled, causes assigned geometry to disappear. Any material created within 4.11p1, with tessellation enabled and a base color, causes t ...
Offset Root Bone Node needs reconstruction from velocities
UE - Anim - Jul 16, 2025The experimental Offset Root Bone node does not respect velocities, meaning that it does not work when a character is based on a moving platform. The capsule will rotate with the platform, but the r ...
Automatic Animation Compression Results in Crash
OLD - Anim - Dec 1, 2015Using the "Automatic" option to compress animation results in crash 100% in UE4.10 but does not occur in UE4.9.2. *Regression ...
Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location
UE - AI - Jul 14, 2015Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location. From fix CL 2619989: "Fixed FloatingPawnMovement component's issue when controlling AI pawn. Basicall ...
Ongoing D3D 'HUNG' crash - FD3D11Viewport::PresentChecked()
UE - Graphics Features - Jan 18, 2017This is a new ticket for the D3D 'HUNG' crash originally reported in [Link Removed]. Some fixes were introduced in 4.14.2 that decreased the occurrences of this crash, but other cases are still ongo ...
Lightmass Portal X Scale resets on update
UE - Graphics Features - Apr 20, 2017After setting the "X" Scale of a Lightmass Portal, attempting to move/update the object causes the scale to reset to 10.0. Is this necessary for some reason? ...
Undoing In Blueprint Editor Clears Component Selection
UE - Gameplay - Blueprint - Apr 25, 2016When editing a value in the details panel of a component, if you attempt to undo the changes, the component is no longer selected. The value gets undone as expected, but it is unexpected that the co ...
Particle Ribbons not firing off consistently
UE - Graphics Features - Apr 8, 2016Ribbon trails do not immediately follow the lead particle when fired. There is an inconsistent delay in some that cause them to either not fire or fire mid stream. This did not occur in 4.10.4, bu ...