Unreal Engine Issues

The World Outliner will only show one Child Actor on a Blueprint that has multiple Child Actors in its Components tab

The World Outliner will only show one Child Actor on a Blueprint that has multiple Child Actors in its Components tab. Note that all Child Actor Components added via the Construction Script will dis ...

Changing the Root of a reparented Blueprint crashes the editor

Changing the Root of a reparented Blueprint crashes the editor with no Crash Reporter dialogue. Log from 4.7.5 attached. Reproduced in 4.7.5 binary and Main (//depot/UE4/Promotable-CL-2507843) ...

It is possible to rename a Function Output the same as a Local Variable, which causes a compile error

It is possible to rename a Function Output the same as a Local Variable, which causes a compile error: Error Internal Compiler Error: Tried to create a property TestVar in scope NewFunction_0, but ...

Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings

Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings. It is still rendered in the bp viewport and in the level during play. Even if the 'bpSelf' is set to hide in g ...

Compare Blackboard Entries returns incorrectly when comparing Enums

While investigating an issue with enum comparisons breaking when the enum changes, I discovered that the comparison will not return true if set to "contains NOT EQUAL values" and the values are not ...

Static Mesh Component variable defaults cannot be set in the Details panel

Static Mesh Component variable defaults cannot be set in the Details panel. No options are available in the dropdown, even if the Blueprint already has StaticMesh components assigned. Reproduced in ...

DOF sky distance doesn't work correctly

Merge Actor Tool missing option to deselect Export Specific LOD

In the new non-experimental version of the Merge Actors tool there is no option to disable "Export Specific LOD". In 4.11 when this was disabled it would merge the actors with their respective LODs ...

Setting NavModifierVolume's AreaClass at runtime does not result in navmesh rebuilding

The volume does accept the change and if it gets moved the navmesh will rebuild with new area set. The core issue is that setting NavModifierVolume.AreaClass at runtime does not notify navigation sy ...

Color swatches in Blueprints (linear color or color) should be drawn like the details panels does, to indicate alpha values

When assigning a Linear Color Value to a Color Input or Linear Color Variable from a Make Linear Color Node, the Alpha Value is reset to a value of 0 when node is disconnected. Also Confirmed in Ma ...