Unreal Engine Issues

Crash occurs loading a sublevel containing landscape with ray tracing enabled

In raytracing enabled, When loading a sublevel containing landscape with LoadStreamLevel function following error is shown. Assertion failed: Pair != nullptr [Link Removed] [Line: 584] Licensee re ...

Support Landscape Edit Layers in WorldComposition Import/Reimport

Allow user to enable layers when importing Landscape Tiles from the Level View in a World Composition Level. Allow to reimport that layer data on a Edit Layer later on when using the reimport featu ...

Landscape Component LODBias parameter is broken

Landscape Grass disappears after sculpting a landscape with "Enable Edit Layers" on

The 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 ...

Landscape Tool crashes on Layer Import

The heightmap and weightmaps were created using Terresculptor, and exported in the correct format. If you import everything except the layermaps, the landscape is generated and the layers can be pai ...

Foliage's Landscape Layers are not reflected when Landscape is rotated

This problem seems to occur because Rotation is not taken into account when calculating Weight. I have confirmed that it can be solved by calculating the rotation as follows.float ULandscapeCompone ...

Crash when using both tessellation and virtual texture on a landscape material

When a landscape is set up to use runtime virtual texturing. If it uses a material that writes to a runtime virtual texture and has tessellation enabled. Then we see a crash and the log reports: ...

Large Landscapes cause long PIE start time delays

These delays appear with large Landscapes (for example 8029 x 8029) . The delays only start occurring after the level is saved and reopened. After which PIE start times will be 5 to 15 times longer ...

Origin Shifting Landscape crashes Render Thread

Shifting the world origin with a landscape in the level causes a crash in the render thread. This does not crash in 4.23.1 (CL-9631420). This was reported and tested in 4.24.1 (CL-10757647) and rep ...

Spline don't deform landscapes in certain setups

The splines do not deform the landscape when the path is made with a straight spline. When you move a spline point to bend the road it will deform the landscape, but the deformation accuracy seems t ...