Unreal Engine Issues

Editor hang calling UMoviePipelineBlueprintLibrary::UpdateJobShotListFromSequence

Within UMoviePipelineBlueprintLibrary::UpdateJobShotListFromSequence we are experiencing an editor freeze when launching an MRQ render of sequences where a camera is unable to find a valid possessab ...

LogStaticMesh:Warning: staticmesh build was call too often when reverting default material in SME

When reverting to default material in the static mesh editor causes this static mesh warning:LogStaticMesh:Warning: Main thread blocked for 0.414s for async distance field build of Cube to complete! ...

Foliage Instanced Static Meshes disappear when FISM Component BP is compiled

This bug removes foliage from a level when the Component Blueprint is compiled. Switching the Foliage type asset to another component will cause the issue to stop occurring. The Component Blueprint ...

STEP file containing Instances are not imported in Unreal

Instance UObjects in an array on an Actor replaced by pointers to other objects in array while PIE

When this issue occurs printing out the addresses of each item in the array shows that elements 2 and 3 have the same address, so for some reason the second element's value is being overridden by th ...

Can't access Actor in Sublevel from Persistent Level Blueprint

You are unable to access or create references to any Sublevel Actors in the Persistent Level Blueprint. Licensee reports being able to select the Sublevel Actor and then right-click to create a refe ...

ULoadingScreenManager::ShowLoadingScreen() causes a nested UWorld::Tick() that leads to a crash when using CommonLoadingScreen in Lyra.

Encountering a crash in Lyra when you hit PIE if you have an animation montage document open with an animation segment selected and the preview scene visible in the animation segment details panel. ...

Crash related to Vertex Painting - MeshPaint!CastChecked<AActor,UObject>()

This crash was reported on the UDN. Upon further investigation it has been experienced by a handful of different users throughout 4.11 and 4.12. JIRA logged for tracking despite unknown repro steps ...

Games automatically render in stereoscopic with OSVR enabled and plugged in

[NickW] They call EnableStereo() on init, we just need to remove that ------- Cooked games automatically render in stereoscopic on OSVR when they've the plugin enabled, the server running, and an O ...

When using Blueprint Update Camera, New Camera FOV is taken into effect even if Return Value is false

In a Player Camera Manager Blueprint, when overriding the function BlueprintUpdateCamera, the New Camera FOV value takes effect regardless of whether Return Value is True or False. The New Camera Lo ...