Unreal Engine Issues

Refraction broken when using material function

Licensee has provided a BP workaround ...

[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 ...

Copying and pasting event tracks will break endpoint bindings

See linked UDN for more info. There appears to be an issue with mismatching parents when copying causing this to fail. ...

[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 ...

DefaultEditor.ini dirtied when UpdateSingleSectionOfConfigFile is called for an object containing an array property

Closing an AdvancedPreviewScene results in a call to UAssetViewerSettings::Save to save the preview scene settings, regardless of whether or not anything has been modified. This in turn calls Update ...

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 ...

Crash in FLandscapeRenderSystem on Mobile

Similar issues have already been reported here for iOS [https://udn.unrealengine.com/s/question/0D52L00004vJelTSAS/crash-ios-in-flandscaperendersystemcomputesectionperviewparameters] and here [https ...