Unreal Engine Issues

Deferring Blueprint CDO construction at load time is leading to some data loss.

Various licensees are reporting data loss on load due to the change that was made for [Link Removed] in which we now defer Blueprint CDO construction on load until the finalization phase. This issu ...

ExpandEnumAsExecs always uses first Exec if an argument name matches Enum value

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. EnumBugBP uses two enum cases and three argument cases for 6 total permutations:Enum w ...

Blueprint actors can not be casted until they have been opened after migration or being upgraded to a more recent engine version

This is not a regression tested in //UE5/Release-5.0 CL20979098 After migrating an asset from an older engine version or upgrading a project to newer version Blueprints carried over can not be cast ...

An added Static Mesh component with Mobility set to Static disappears at run time if the Actor is moved

This is not a regression tested in //UE5/Release-5.0 CL20979098 An added Static Mesh component with Mobility set to Static disappears at run time if the Actor is moved. ...

BP ConvertTransformToRelative is deprecated in code but still usable in blueprints

Building Geometry removes Blueprint Actors from a level

Regression: Tested in UE5/Release-5.0, the issue does not occur so it is a regression. This issue appears to be effecting Blueprint Actors specifically, as creating a Blueprint of any other class d ...

Blueprint Actors' Static Meshes disappear after Building Level

Reproduced 3/3 times. Was not able to reproduce in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. ...

Wrap function incorrect

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

TMap<Bool is disallowed despite bool having a hash

Reproduced 3/3 times. User is unable to create a new TMap with bool key through Blueprints (which is the expected result).  Issue is technically a Regression, as the ensure does not occur in //UE5/ ...

Collapsing an Event with 1 connected node and 1 unconnected node to a function results in Both nodes being connected in the function

This is not a regression tested in //UE5/Release-5.0 CL22491701 Collapsing an Event with 1 connected node and 1 unconnected node to a function results in Both nodes being connected in the function ...