Unreal Engine Issues

Editing Struct variable types can cause pins of an array of that struct to become disconnected

When changing the variable type of a variable in a struct, it can cause some pins related to arrays of this struct to become disconnected. The project provided was from the Marketplace, entitled "Su ...

Cannot PIE; Data Table Still Being Edited

After making some changes to a Data Table, attempting to PIE fails and returns this error message: Cannot Play In Editor When Performing Edit MemberVar_1 operation. This occurs after closing and sav ...

Setting a ComboBox on the Server does not always work

Setting a ComboBox on the Server does not always work. In the attached project, a Multicast Event runs some Set Options, all but one of which appear to work on both Clients and Server. On the Server ...

Crash when using a Self reference with a Custom Event variable

Crash when using a Self reference with a Custom Event variable that is using Pass By Reference. The crash only seems to occur if the setup was created in the Player Controller class. This was origi ...

Editor crash when using Straighten Connection shortcut key

Using Straighten Connections shortcut can cause the editor to crash after removing node pins. This appears to be due to GetGraphPinForMenu returning the last pin selected (in this case, the removed ...

Exceptions can no longer be enabled for ProjectEditor targets

It is no longer possible to enable C++ exceptions for the ProjectEditor target in code projects that use the binary Engine. Some fixes that were made for 4.19 now correctly show an error message if ...

Properties of placed-in-map actor instances may not replicate if their default has been edited

If the default value of a replicated property is edited on an instance of a placed-in-map actor, then on the server is value is changed back to the default, a client who joins in progress after this ...

The IndirectLightingSHSingleCoefficient for translucency on mobile is too bright

[AI] FInstancedStruct is not dupilicated properly if values are different from an Actor's defaults

A licensee reports that the values of an FInstancedStruct do not get properly duplicated if they differ from the default values of the Actor or TArray to which they belong. Possible short-term wo ...

Precomputed Visibility no longer calculated on Landscapes

Placing a Precomputed Visibility Volume around or through a landscape does not seem to calculate precomputed visibility for that landscape. This is a regression from behavior in 4.7.6. Also Tested ...