Unreal Engine Issues

Water tiles flicker in and out of visibility with instanced stereo enabled.

Water tiles flicker in and out of visibility when playing in VR with instanced stereo enabled. Requires instanced stereo rendering to be enabled (does not require forward shading to be enabled) Must ...

AllowCommandletRendering D3D12 device crash

Crash when using adaptive virtual texture

A check() is being hit intermittently when using adaptive virtual texture. check(Entry.Magic == Handle.Magic) inside FVirtualTextureProducerCollection::GetProducer ...

Static Meshes in Precomputed Visibility Cells are not occluded by landscape

When using precomputed visibility on device for occlusion culling the landscape does not take the cameras view into account for culling objects when out of view of the camera and inside a visibility ...

Packaging fails if a Blueprint is set to be nativized but it is not included in a level

Packaging a project will fail if a Blueprint is set to be nativized and that Blueprint is not included in a level. REGRESSION: Yes. The project packages successfully in 4.15. ...

Material Layer Texture Params don't warn on different sampler types

This texture validation exists for global parameters, and should read as "Warning: Param samples /Engine/Functions/Engine_MaterialFunctions02/ExampleContent/Textures/newhplaneNormalsMap.newhplane ...

Blueprint nativization fails using a map type argument as Expose on Spawn

Here's a sample blueprint [Image Removed] The lack of implementation FCustomThunkTemplates::SetMapPropertyByName causes this error.#include "Kismet/BlueprintMapLibrary.h"// The fix needs this head ...

Spring Arm Component attached to a Vehicle in a multiplayer environment will cause the Vehicle to jerk forward and backwards

Spring Arm Component causes vehicle to jerk forward and backwards in a multiplayer environment. ...

Fix AssetManager rules overrides in case PrimaryAssetTypesToScan for PrimaryAssetLabel sets bApplyRecursively=false

SetPrimaryAssetRules sets the "is overridden" variables (e.g. bOverrideApplyRecursively) based on a comparison with the global default rules:static FPrimaryAssetRules DefaultRules; ... ExplicitRu ...

Editor Crashing on Details Panel when Calling ForceRefresh

Editing bool of the nested child CrashableDataAsset causes crash. Expected: CrashableDataAsset children are properly assigned. Result: Engine crash ...