Unreal Engine Issues

DFAO has ugly result on Hair Material with Custom Tangent

[CrashReport]Assertion failed: !bInstancedStereoEnabled || (bInstancedMultiViewportEnabled || bMobileMultiViewFallback) [File:./Runtime/RenderCore/Private/StereoRenderUtils.cpp]

Generated from CrashReporter ...

Crash in UDataTable::RemoveRow(FName RowName)

This is a regression, the crash seem to have been introduced by CL 40129784 on ue5-main and persists in latest. Function UDataTable::RemoveRow(FName RowName) uses macro DATATABLE_CHANGE_SCOPE_SINGL ...

Filling Vertex Colors does not propogate down to other LODs

The original reported behavior called out that filling individual channels did not apply to LODs when LOD Model Painting = False. With changes implemented in 4627582, the initial fill will reach LOD ...

Latent Blueprint Functions has incorrect linkage when the FLatentActionInfo is the first argument

When you create a latent function in C++ with the FLatentActionInfo first it will incorrectly set up the linkage for the latent info such that it gets linked to the incoming execution pin of the fun ...

Creating a float variable named lifespan in an Actor Blueprint and setting its default value will override the life span of the parent class

Creating a float variable named lifespan in an Actor Blueprint and setting a default value for it will override the parent class' life span setting. I was unable to find any variable in the Actor cl ...

Instanced EditInlineNew Objects not correctly propagating to children and placed level instances

Instanced EditInlineNew objects are kind of broken right now and hard to make full use of. In addition to the notes above, there are some cases where you can't even assign new values into the base c ...

Widget "Listen For Input Action" executes on unexpected input event

Listen For Input Action firing erroneously. Confirmed in 4.26 MAIN @ CL 11536993 ...

Crash when travelling during ability activation when URL contains "#"

This issue is related to [Link Removed], where the "?listen" option sent on the URL to clients could cause issues with RPCs being called locally during travel. The fix to remove the "?listen" option ...

Cumulative Patching does not work with Pak signing

Cumulative patching is implemented by copying the generated pak files during staging of the base and each patch to the Releases directory. When creating a patch, all of the pak files from the releas ...