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

UE - Gameplay - Blueprint - Jan 27, 2023

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

UE - Gameplay - Blueprint - Jan 13, 2023

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 ...

Building Geometry removes Blueprint Actors from a level

UE - Gameplay - Blueprint - Nov 28, 2022

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

UE - Gameplay - Blueprint - Nov 23, 2022

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

Wrap function incorrect

UE - Gameplay - Blueprint - Nov 23, 2022

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

UE - Gameplay - Blueprint - Nov 22, 2022

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/ ...

Inherited Blueprint component template data is not being validated on save.

UE - Gameplay - Blueprint - Sep 8, 2022

UBlueprint::IsDataValid() does not currently check component templates inherited from a parent Blueprint class asset's SimpleConstructionScript; only the current class hierarchy is considered. Given ...

Reloading a Blueprint asset will unnecessarily recompile its dependencies.

UE - Gameplay - Blueprint - Aug 25, 2022

When a Blueprint asset is reloaded, we are currently serializing its CachedDependencies list during the discovery of potential referencers. This can lead to incorrectly treating all dependencies as ...

A Blueprint containing a Macro with a Wild Card input crashes when a Custom Event node has an additional input added

UE - Gameplay - Blueprint - Aug 16, 2022

This is a regression. Tested in //UE4/Release-4.27 CL18319896 In UE4 an error is thrown when attempting to add an input. A Blueprint containing a Macro with a Wild Card input crashes when a Custom ...