Unreal Engine Issues

Crash in FMacApplication::FindScreenByCocoaPosition when using the mouse in the ILIAD plugin.

I think this could occur anytime but is probably very rare. However using this plugin from the reported UDN makes it much easier to repro as they are calling FMacApplication::ConvertCocoaPositionTo ...

Datasmith Tessellation does not work as operator in the visual dataprep

Editor crash on Instanced Subobjects of an outer class in Class Picker

Include better comments/warnings for certain edge cases when using dependent actors with RepGraph

A recent UDN brought up two scenarios with dependent actors in RepGraph that could use better comments/warnings. The first is that calling ForceNetUpdate on an actor that is only replicated as a de ...

Pixelated volumetric translucent shadows

I narrowed down the issue to the Main call of ShadowProjectionPixelShader, and tested (on 4.26 and 4.27) a combo of different material and light shadow settings, as well as enabling transmission on ...

MediaFramework - Webcam Video input shows as black in Media Player

Alejandro Arango 3 days ago In fact, it seems the 4.27 changes are conditioned by WMFMEDIA_PLAYER_VERSION . So the only change needed is in WmfMedia.Build.cs . They only need to change it to say: P ...

Cascade To Niagara Converter doesn't place Collision Module in a proper order in the stage

Plugin Config filenames need to be different for Engine vs Game plugins

Right now, plugins installed to the game directory will only load plugin-specific config files with the path /Project/Plugins/PluginPath/Config/*Default*PluginName.ini. However, engine plugins will ...

GPU lightmass not baking directional light with sub levels and VTs off

GPU Debug Label is not set on some textures

texture streaming is one of the reasons that drop the label but not the only reason. add a line of code RHIBindDebugLabelName(NewTexture, *OldTexture->GetName().ToString()); into FMetalDynamicRHI:: ...