Unreal Engine Issues

Mesh Decals don't work with HISM of non-nanite meshes

The HISM on the right has 4 instances light the ISM on the left, but only one instance works with the mesh decal material.  [Image Removed] ...

URuntimeVirtualTextureComponent::Invalidate does not work with Adaptive virtual textures

Niagara Crash : ExportParticleDataToBlueprint module causes buffer overrun

This buffer overrun is probably caused by the ExportParticleDataToBlueprint module does not respecting the GPUAllocation Fixed Size setting in the module. In fact, out-of-range export data is not c ...

DebugDrawHelper memory leak in editor

[Feature Request] Niagara Ribbon Render needs V direction Tessellation option

It has a common chunking visual artifacts that lot's of triangular Translucent overlap once Ribbon's width is big and twisted heavily facing to Camera [Image Removed] It can be fixed by adding mor ...

[CrashReport] UE4Editor-EncoderNVENC!static bool AVEncoder::GetEncoderInfo(class AVEncoder::FNVENCCommon & const, struct AVEncoder::FVideoEncoderInfo & const) [NVENC_EncoderH264.cpp:1253]

Generated from CrashReporter ...

Pasting a component binding onto a Spawnable will not set up parenting correctly

It appears that for spawnable bindings, when adding a child binding through a copy/paste it is not added to the child bindings array on the spawnable, so when GetChildPossessables is called, there a ...

Shader compilation failure crash with DX12, Tesselation, Distance fields, Instanced Stereo, and Hierarchical LOD Coloration viewmode

upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue wasn't reproduced. Regression - YES Shader compilation failure crash with DX12, Tesselation, Instanced Stereo, and Hierarchical ...

Water_Material crashes editor when adding "Scene Depth Without Water" node

Base material does not report broken logic with disconnected nodes, but instances of the same material do.

This is likely "by design", but the licensee is requesting a warning in base materials for disconnected logic that does not work, which they are reporting as a nuisance during development. Instance ...