Unreal Engine Issues

Ensure when changing the separate translucency buffer resolution and open the map in which PostProcessVolume is placed

Alt-tabbing out of a Standalone App or packaged version of a game does not trigger LostFocus or ReceiveFocus

If a user uses Alt-tab to change to another window, the ReceivedFocus and LostFocus functions are not called as they would usually be called when using something such as Shift+F1 or Ctrl+Esc. Note: ...

Crash when setting a module input to read from a new user parameter

Crash when setting a module input to read from a new user parameter Crash does not occur when drag/dropping a User Parameter from the Parameters panel into the input, or when selecting a preexistin ...

Crashes when playing Slomo on NiagaraSystem with Solo and DesiredAge.

When Slomo 2 is used to speed up the process, TicksToProcess is greater than 1, which means that ManualTick is called several times during one loop.  When playback is completed by a ManualTick in t ...

GAS: GameplayDebugger crashes when AttributeSet has different rep conditions per attribute

When using the GameplayDebugger to show GAS debug info, and an AttributeSet has two replicated attributes with different replication conditions, a crash occurs in RegisterReplicatedLifetimeProperty( ...

Crash when opening OculusVRDartsGame without oculus software installed

Several users have reported crashes when attempting to open the OculusVRDarts game we offer in our [Link Removed] Instead of allowing the engine to crash, we should handle this issue gracefully and ...

StaticMesh->RenderData->LODResources[0].IndexBuffer empty in Standalone games.

GetArrayView is returning incorrect values in Standalone games. The correct values are returned when played in Editor. ...

Crash when TSR history separate translucency enabled

Crash when setting console command for shadow max resolution to 1

When setting the console command r.shadow.MaxResolution to a value of 1 will cause a crash. CrashReporter: [Link Removed] ...

Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh

This is a regression tested in //UE4/Release-4.27 CL#18319896 Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh. The closer a colors R, G, or B value is to 1.0 or 0.0 the mor ...