Unreal Engine Issues
Unreal Engine Issues
Landscape Grass disappears after sculpting a landscape with "Enable Edit Layers" on
UE - LD & Modeling - Terrain - Landscape - Apr 6, 2020The grass won't spawn after proper material being applied on the landscape. Even after being forced to be spawned (by reloading the level, for example) the grass will disappear again every time the ...
Vertex Interpolator causes depth-test to fail
UE - Graphics Features - Apr 23, 2020Vertex interpolator (semi-randomly) causes visual artifacts on meshes. This did not happen initially when using or creating this material function but started about 24 hours later but now happens st ...
Inversing the scale of a skeletal mesh when it's simulating physics results in the mesh and collision being flipped
UE - Runtime - Simulation - Mar 18, 2021The attached project has 3 skeletal meshes. One with its original transform and then 2 copies with an inversed scale in the X axis for one and the Y axis for the other. When pressing play, the meshe ...
Sound Mixes not working on Mac
UE - Audio - Feb 9, 2017Sound Mixes do not seem to work for Macs. In this particular case I used the Push Sound Mix blueprint node to affect the currently playing sound in the level. This same project works fine on Window ...
Match3 crashes on device after locking and unlocking the screen on iOS
Tools - Aug 23, 2016Aug 23 15:25:15 A6240 UnrealMatch3[987] <Warning>: Assertion failed: CommandEncoder.IsRenderPassDescriptorValid() [Link Removed] [Line: 700] Match3 does not resume after locking and unlocking the s ...
SceneColor in surface material ignores translucent objects
UE - Graphics Features - Sep 22, 2017Translucent meshes and particles behind an actor who's surface material uses SceneColor node are not rendered properly. Changing the view angle of the camera causes the translucent meshes to "pop" ...
Vehicles with at least one kinematic collision do not function anymore
UE - Simulation - Physics - Oct 30, 2019Using at least one source of kinematic collision on a vehicle causes animations or movement to not function any longer. This issue persists on child bones and collisions as well. Users are unable to ...
Moving assets in the Editor fails to fixup references causing the project to generate errors
Tools - Mar 30, 2020Moving assets in the Editor is very unreliable. References may or may not be fixed up. No direct error is presented or a warning about problems. Any moves of the gameinstance, string table or certai ...
Crash on opening Sequence Director for Level Sequence
UE - Gameplay - Blueprint - Oct 15, 2020Within the project attached, the Sequence Director can not be opened for the Level Sequence "SkateReel Sequencer Crash." The user reports being able to open the Sequence Director prior to copying an ...
Open Formats: FBX Reimport - Reimport settings for FBX not getting stored
UE - VEI - Open File Formats - Oct 16, 2026FBX assets originally imported in 5.7 lose their "Combine Static Meshes" import setting when reimported in 5.8. In 5.8 "Combine Static Meshes" was changed from a bool to 3-way enum, and the old bool ...