Unreal Engine Issues

Alembic Files Import With Blocky UVs

Alembic files imported come in with blocky UVs. Attached is a zip with the files and pictures that show the issue. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10387632, 4.25 Main CL# ...

Crash when using automated groom import

UDN customer reported that using automated groom import through Blueprint was crashing. This can probably be reproduced with a Python script using an asset import task with the automated flag set to ...

Crash when force deleting Dataflow Graph

When force deleting a dataflow graph with the dataflow graph editor open it will crash the engine. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binar ...

changing skylight resolution to 32 crashes engine

This crash has been experienced internally, and by others in the community while testing the 4.12 Preview. ...

[CrashReport] Mac crash - FRCPassPostProcessInput::ComputeOutputDesc()

This is a new Mac callstack that just appeared after the 4.17.2 hotfix. The callstack shares similarities to older Windows crashes and may be related:https://jira.it.epicgames.net/browse/UE-42135ht ...

Attaching a camera actor component that is the child of a spring arm component to a new skeletal mesh's socket will cause a crash on the server

A User is Spawning an actor, taking the skeletal mesh from it and is attaching a camera from another actor to a socket that is owned by the spawned mesh. This only happens if the camera that is move ...

[CrashReport] Crash on Mac when running specific cook commandlet

This is a Mac commandlet crash that is experienced by a few external users. ...

Vulkan crashes on Adreno Galaxy S7

Actor in Map in Struct Causes Crash When Changed

User submitted bug. Editor will crash after changing key or value in Map. ...

Crash after playing using FX.AllowGPUParticles during play

If user use "FX.AllowGPUParticles 0" during play, a crash will occur after the play ends ...