Unreal Engine Issues
Unreal Engine Issues
Crash when Simulating in Editor after Painting Foliage
UE - Editor - Workflow Systems - Nov 29, 2016The engine crashes when simulating in the editor after painting foliage instances using the Foliage Tool. An important thing to note is that this crash does not occur if you switch out of the 'Foli ...
Lens Flares are appearing in Other Player's Windows
UE - Graphics Features - Jul 28, 2015On a Windows 8.1 Platform with an Nvidia 960 card, Lens Flares when playing with 2 Player's (without a dedicated server) are appearing in the wrong window. So, Player 1 is looking at sun, Player 2 ...
Failed to register input back buffer crash when opening a project with PixelStreaming on Windows 7
PixelStreaming - Sep 19, 2018Projects crash upon opening with the PixelStreaming plugin enabled. ...
Rendered panoramas using Lumen may be overexposed
TM - Rendering - Sep 30, 2025Reported in SF [Link Removed] Lumen Panorama renders in 2025.2 may appear overexposed compared to the viewport, or when comparing the same render produced in 2025.1.1 This only appears to occur wi ...
[Landscape] Collision Object Type Requires WorldStatic to Paint Foliage
UE - World Creation - Worldbuilding Tools - Foliage - Feb 27, 2018No longer able to paint foliage when new Collision Object Type is applied to the landscape. Reproduced in 4.17.2 CL 3658906, 4.18.3 CL 3832480, and 4.19 P5 3898826 ...
Get Input Touch State produces incorrect vector position
UE - Gameplay - Input - Sep 25, 2018Get Input Touch State produces incorrect vector position when using it on Android. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4395058) ...
RecastNavMesh is not generated at loaded sublevel
UE - AI - Aug 16, 2018RecastNavMesh is not generated at the sub level dynamically added in C ++ in 4.20. In 4.18, 4.19 it was generated normally. Probably, changes to the large number about NavMesh systems from 4.19 to ...
Reimporting a skeletal mesh by dragging FBX to content browser crashes editor
Tools - Nov 12, 2015Reimporting a skeletal mesh by dragging FBX to content browser crashes the editor. I suspect something is wrong with the FBX. The user reported that the data is from Blender. FBX file attached for ...
Add Movement Input does not work on any pawn that is not controlled by the player
UE - Gameplay - Player Movement - Oct 13, 2015Add Movement Input does not work on any pawn that is not controlled by the player. Note: this worked in 4.7.6 and earlier. Test project attached. In it, the Player Controller controlled by the acti ...
Actor Hidden in Game does not take lighting into account any longer
UE - Graphics Features - Jul 13, 2016Using indirect lighting from bounce cards that are set to Actor Hidden in Game no longer generate indirect lighting for the scene. This is a regression of 4.11.2 where this worked but is no longer ...