Unreal Engine Issues

Editor crash when a Breakpoint is added to a Widget's Tick function

Editor crashes when a widget's tick contains a breakpoint at a print string node. Based on 4.16 warning message, this appears to be caused by the text attempting to draw when no draw buffer is avai ...

[CrashReport] UE4Editor-D3D12RHI!FD3D12Viewport::PresentChecked(int) [D3D12Viewport.cpp:492]

Callstack is garbage past D3D12 calls but logging for visibility. Generated from CrashReporter ...

Fbx Importer: Need to clamp incoming vertex color

Derived struct data is not copied to Base struct

The actor Blueprint is intentionally causing an object slice to occur. In other words, we're copying a derived type to a base type, so the expectation is that only the inherited base properties are ...

Morph Target Sets to Zero When Transitioning From 1 to -1 Causing Flickering

-Morph target cycles through all values instead of only alternating between 1 and -1 -Couldn't reproduce in 4.17 -attached a test morph target asset Link to example video from user: [Link Removed] ...

Syncing issue when stopping and blending out a non-looping montage to an anim graph

When syncing from a non-repeating montage that is blending out to an anim graph, the anim montage is marked as a follower due to having its PrevMaker as an AnimBoundary(-1), furthermore in this case ...

Bug in CurveLinearColor makes colors of Diffraction material white outside curve range, causing rendering artifacts

There seems to be a regression with linear textures (commonly for multi-channel masked textures) in UE5.4. Setting the "Encoding Override" (under Texture > Advanced > Source Color Settings) to "Line ...

Select Node literals not populated when type resolved by connecting a pin

When you connect a pin to a select node and determine the type of the wild card pins the other option pins do not have their literal populated. This occurs for enums where no option is select and n ...

Lighting channels are not supported with tiled lighting

Reported via UDN ...

Transform Track can't be edited for a empty actor dragged directly from Modes panel

This is a remaining case of [Link Removed]. If you drag and drop an empty actor from Modes panel to Sequencer, the actor's transform track can't be edited. ...