Unreal Engine Issues

Landscape disappear under mobile preview after reopen level

When trying to reopen a level with landscape under mobile preview, landscape's render data is not generated correctly. ...

Grass on landscape Component was messed up when painting blend mask if this component has LODBias>0

[CrashReport] UE4Editor_Landscape!FLandscapeComponentSceneProxy::DrawStaticElements() [landscaperender.cpp:1631]

User comments in crash group:Enabled Flat Tesselation on a Terrain Material.I saved the material. 1628 if (HasTessellationEnabled) 1629 { 1630 ***** UMaterialInstance* NonTess ...

Crash occurs when starting PIE on a level containing a FunctionalTest Blueprint and a sub-level with a landscape component in both levels

Placing a FunctionalTest Blueprint into a level that contains a landscape component and a sub-level that also contains a landscape component results in a crash when PIE is started. This only occurs ...

Can't save level that has landscape layer material when moving level asset

Can't save level that has landscape layer material when moving level asset. It look like regression,because it can save level asset in 4.19. This issue occur also that moving "Landsacape" level as ...

Importing a Landscape Layer with World Composition Enabled is Taking All Available Memory

When importing layer information to a landscape the engine will freeze and consume all available memory. Unable to test in 4.19 due to provided project being made in 4.20. I have attached a log from ...

Memory Leak In PageAllocator When Packaged

There is a Memory leak in PageAllocator when packaged. The leak can be stopped if "Landscape.Static" is used in console. Unable to test 4.19 since the provided project was 4.20, but Issue is reporte ...

Landscape：Shadowmap the landscape casting doesn't match visual mesh after build lighting

If landscape was rotated, Ramp tool does not work properly

If landscape was rotated, Ramp tool does not work properly. In particular, the debug display is not working properly.It is tilted diagonally. ...

Renaming or Moving a Map with a Landscape in it results in an error and fails to save map

When renaming or moving a map with a landscape in it this will fail and an error prompt will appear. ...