Unreal Engine Issues

AMD GPU crash with "Video memory has been exhausted" error when increasing the World Partition world and using Water Body Ocean

Current steps describe the problem related to "Video memory has been exhausted (#### MB over budget). Expect extremely poor performance" on the AMD video card. In this case, the steps cause the GPU ...

GPU Timeout when using a large scale Landscape and Water Body Ocean

Regression: Tested in //UE5/Release-5.0, this issue does not occur so regression is yes. The GPU Timeout only occurs in UE5/Release-5.1, as recreating this issue in previous versions of the editor ...

Don't allocate landscape heightfield collision component scene proxies when Collisions display is off

ATM, ULandscapeHeighfieldCollisionComponent's scene proxy is created all the time, although it's only used for displaying collisions when Collisions mode is on. The scene proxies pre-allocate a very ...

Wrong height from Chaos::FHeightField::GetHeightAt()

LandscapeExportWeightmapToRenderTarget not implemented

LandscapeExportWeightmapToRenderTarget is not implemented:bool ALandscapeProxy::LandscapeExportWeightmapToRenderTarget(UTextureRenderTarget2D* InRenderTarget, FName InLayerName) { returnfalse; } ...

Landscape LocalMerge crash with PaintLayer enabled

Landscape visibility mask cannot be imported/exported

The ability to import/export visibility mask was available in 4.27. ...

Crash when cooking landscape collision in world partitioned level

This is caused by the loss of data in the ULScapeHeightfieldCollisionComponent::CollisionHeightData. The CollisionHeightData is not marked as BULKDATA_PayloadInSeperateFile and is processed with a k ...

Crash on loading level with Landscape by 2 PIE instances

Landscape smooth and flatten tools deform the terrain incorrectly

The Landscape smooth and flatten tools can deform the landscape incorrectly causing chunks of the landscape to be removed (see attached image). ...