Unreal Engine Issues

MPCook: Fix replication of UObject::CookAdditionalFilesOverride

MPCook relies on global data that is accumulated during package cooks on CookWorkers be replicated to the CookDirector. Some global data that is accumulated during package cooks is CookAdditionalFi ...

Ensures for Pixel and Vertex Shaders occur when running TM-ShaderModels with -onethread

Two ensures fire when opening the TM-ShaderModels Map in QAGame with the -onethread argument. The callstacks look identical with the exception that one is for a pixel shader and the other is for a v ...

Fix SourceLength to be tangent to spot light axis

Fix pause flags when recycling sound sources

Issue is due to pause flags getting recycled when new sound sources are used from the sound source pool. This is a regression since 4.13, causing audio to pop. ...

Fix rotations when exporting a blueprint with a camera component

UMovieSceneSequenceTickManager does not consider settings of Fixed Frame Rate

Due to CL-20816478 UMovieSceneSequenceTickManager now calculates DeltaTime per Group instead of using DeltaSeconds directly. As a result, the FixedTimeFramerate in the project settings is being igno ...

Interchange: Static analysis fix for interchange manager

Fix a crash in Callback_ResolveMarker when handing a GPU crash

Licensees have reported crashes being triggered while the engine is resolving debug markers for an Nvidia Aftermath dump. This makes it difficult to properly investigate crashes ...

[CrashReport] Mac Metal crash - FSceneRenderer::RenderDistortion()

This is a somewhat common Mac crash occurring since 4.15 and into 4.17.1. Users have not provided any descriptions of their actions when the crash occurred. This specific callstack was previously ...

[CrashReport] Linux crash - FScopeContext::FScopeContext()

This is a somewhat common Linux crash occurring in 4.17.2. (there are a few older records in 4.16.2 and 4.17.1 also, but most occur in 4.17.2) Callstack from Log[2017.10.04-14.49.42:768][ 2]LogFi ...