Unreal Engine Issues
Unreal Engine Issues
Cannot Add Player with a second controller in Lyra
UE - Gameplay - Input - Feb 24, 2023Controller 1 is able to navigate the menu as normal, but if you hit the "Start" button on Controller 1, it'll flash the Add Player UI element but won't connect as Player 2, and the output log will s ...
Initial Modules are clamped to a 0 to 1 time range
UE - Graphics Features - Sep 18, 2015The Initial Modules appear to be clamped to a zero to 1 time frame since 4.8 was released. Projects that are converted from 4.7.6 will have correctly working particle systems, but adding a new part ...
Crash on loading some MovementAnimSetPro Blendspaces
OLD - Anim - Dec 21, 2016Error message: Assertion failed: TrianglesMade==2 [Link Removed] [Line: 373] Source Context: 360 { 361 FTriangle NewTriangle(A->Vertices[1],A->Vertices[2], TestPt); 362 ...
Choosing sides appears to have no affect for forced feedback
UE - Gameplay - Mar 18, 2016Choosing the side that is supposed to vibrate during forced feed back does not appear to have an effect. The same side vibrates regardless of selection ...
Snap Constraint to Bone affects rotation but not position
UE - Simulation - Physics - Jun 1, 2016The Snap Constraint to Bone button seems to only rotate and change the limits on a constraint instead of also moving the constraint to the bone's location. ...
Circular Throbber does not appear to be affected when setting the tint
UE - Editor - UI Systems - Jan 25, 2016Circular throbber does not appear to change colors when changing the tint ...
Touches on windows generate 2 mouse events.
UE - Editor - UI Systems - Slate - Mar 22, 2017The problem is that windows supplies both a touch event and a mouse event for each touch. The engine then handles touches as mouse input so that UI elements can work correctly on touch platforms. ...
Collision Viewmodes do not affect Instanced Meshes properly
UE - Graphics Features - Apr 9, 2018Collision View modes, such as Player Collision and Visibility Collision, do not work with Instanced Static Meshes. Regression?: No This also occurred in 4.18 ...
Material editor crash in 5.0.2
UE - Rendering Architecture - Materials - Sep 2, 2022Conflict between sequencer transform track and Parent Constraint from the Animation Mode breaks temporary pivot translation on any actor
UE - Anim - Anim in Engine - Jul 15, 2025Note: This affects all versions from at least UE 5.3, including mainline latest. The "Animation" Editor Mode allows creating constraints for level actors. One of these, the "Parent" constraint, con ...