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 ...

The Unreal Engine building dialog either does not appear or is only visible for a brief second

UE - Virtual Production - Nov 18, 2022

This is not a regression against 5.0. Tested in //UE5/Release-5.0 CL20979098 However, as users have pointed out, this is a departure from UE4. The same process in 4.27.2 demonstrates the building d ...

Long thin spinning objects take too long to stop spinning

UE - Simulation - Core - Jun 5, 2023

See the SpinningObjectStability test map in the Physics Sandbox. [Link Removed] It's not clear if this is a bug or a side effect of some of our solver shortcuts (e.g., omission of the precession te ...

Instanced meshes spread further apart as size increases

Tools - Jun 22, 2015

As the size increases on instanced static meshes, they spread further apart, causing unwanted breaks in tiling. This increase is proportionate to the increase of size. Note: Despite the collision ...

Macro Library tries to recompile upon PIE when Auto Recompile is turned off and library does not need to be recompiled

UE - Gameplay - Blueprint - May 11, 2016

Macro Library tries to recompile upon PIE when Auto Recompile is turned off and library does not need to be recompiled. Note The macro library does not have to be used to cause the compilation mes ...

Splash screen on iOS is stretched

UE - Platform - Mobile - Dec 22, 2015

The splash screen on the iPhone 6s is stretched when loading. Tested alongside the iPhone 5s and the Samsung Galaxy Note 2 for comparison. The stretching only occurs on the 6s. iPhone 6s: 6240_iPho ...

Hierarchical Instanced Static Mesh component instances are not duplicated correctly if the parent is duplicated

UE - Graphics Features - Dec 16, 2016

Duplicating an actor with a Hierarchical Instanced Static Mesh component that has an instance will duplicate the instance as well, but this instance is not rendered. Please note, this was discovere ...

[CrashReport] UE4Editor_Core!FModuleManager::UnloadModule() [modulemanager.cpp:557]

UE - Foundation - Core - Feb 27, 2017

Error message: Assertion failed: ModuleInfo.Module.IsUnique() [Link Removed] [Line: 557] Source Context: Most recent user affected CL: Logs: See attached Issue call stack shares some similariti ...

Custom Mesh Component gives incorrect bounds

OLD - Anim - Jun 16, 2017

Custom Mesh Component > Get Component Bounds gives incorrect bounds > Box Extent User Description: [4.16.1] Using "Get Component Bounds" on a Custom mesh component gives unusual numbers for the Bo ...

Meta specifier MustImplement does not list eligible blueprints that have not been opened/loaded

UE - Gameplay - Blueprint - Oct 16, 2017

Using the meta specifier MustImplement will cause the associated dropdown to only list classes/blueprints that implement the provided interface. If a blueprint has not been opened/loaded in the edit ...