Unreal Engine Issues

Global Distance Field Precision Issues Far From Origin

[Enduring] Appears to be in the visualization rendering of the distance field, distance field shadows were unaffected. There was one instance where the bug did not replicate as expected. This was wh ...

Blueprint Nodes no longer Grid Snap to straight lines

5.0:[Link Removed] 5.3:[Link Removed] Attached is a video of the two screenshots overlaid and lined up by their top edges. It appears that the Begin Play node (and others?) have more padding now, w ...

Deferred spawned actors can receive BeginPlay before they are finished spawning

Actors that are deferred spawned on BeginPlay can be added to the world while AWorldSettings::NotifyBeginPlay is still iterating the world's actors and dispatching BeginPlay. AActor::DispatchBeginPl ...

Repackaging the same build produces different order of shader code chunks in IoStore container TOC

A licensee reported that packaging the build with same content (it is unclear if they were rebuilding the DDC between the runs, but it shouldn't matter) produces a different placement of code chunks ...

Serialized Blueprints containing MIDs do not load correctly in packages.

This issue is an easy fix but raises a different problem which is likely ingrained in UE, which is that MIDs should not be serialized out and should always be transient. Unfortunately we are in a po ...

Static lighting crash on 5.4 when using landscape with WPO

When static lighting is built for a landscape with "Use Material Position Offset in Static Lighting" enabled it causes an editor crash. Licensee mentioned it was likely caused by a commit for 5.4, C ...

[PCG] Delayed PCG Component Unregister causing stale pointer crash

Crash in blueprints when opening right-click menu

Right clicking inside the event graph of a blueprint that is derived from PhysicsCollisionHandler will crash the editor CrashReporter: [Link Removed] ...

Enums in blueprint macros receive "Direction mismatch" errors upon calling macro in event graph

If a macro that contains an enum and enum output is called within an event graph, the enum will show a direction mismatch error upon placing a copy of the macro into the event graph and recompiling. ...

Compile error when declaring UPROPERTY() TArray with TFixedAllocator

Declaring a UPROPERTY() TArray with TFixedAllocator fails to compile. Output log states "Missing '>' in 'tarray'." Removing/commenting out the UPROPERTY() allows the project to compile correctly. ...