Unreal Engine Issues

Vertex Painting changes collision complexity if the asset is saved while vertex painting

Vertex Painting changes collision complexity if the asset is saved while vertex painting. The collision change is set to "Use Complex Collision as Simple". If this is intended functionality there sh ...

Detail Customizations don't work with editinline

Using the EditAnywhere specifier for a UPROPERTY results in some options not being visible in the editor that are visible when using VisibleAnywhere. ...

UFunctions using the exec specifier are recognized by UHT when building for Development even if they are in a #if WITH_ENGINE

If a user declares a UFunction with the exec specifier, the UHT will add a call to that function so that it can be used as a console command in the editor. This becomes an issue when the declaration ...

Using Attach To in Construction Script Causes the Editor to Crash

After creating a blueprint with a box trigger and a cube component, attempting to use an AttachTo (Box) node and then attaching the cube to the In Parent socket compiles without issue. However, if y ...

Calling Open Level causes editor to freeze or crash

If the Open Level node is called on a persistent level Whttp://crashreporter/Crashes/Show/1838504 then the editor will freeze is the call is made through code or crash if done through blueprints. C ...

Component in Child Blueprint Parented to Inherited Component Disappears

When you have a child blueprint that contains a component that is parented to an inherited component, changing a value on that inherited component in the original parent blueprint and then compiling ...

Default value for BP struct within BP struct not set

If I set a certain default value for a struct within another struct, it is reset to "None" and the value is not accepted. Below are detailed steps to reproduce as well as a minimal project. Source: ...

Preview Asset Becomes Detached from Socket When Renamed

4.17: The preview mesh disappears entirely when the name of the preview asset is changed When a preview asset is applied to a socket, and the socket is renamed, the preview asset becomes detached ...

If enable iostore and run BulkData.lock twice on the same frame, the second time get pointer will be nullptr

Add and Renaming collapsed graphs in functions breaks refs to local vars

When creating a class (of any kind i.e. an actor), when a collapsed graph is compiled the ref breaks when adding or renaming the graph. ...