Skeletal Meshes with Physics assets with less than 5 bodies will not use flag for Start Awake

UE - Simulation - Physics - Dec 8, 2015

When using a Physics Asset with 4 or less physics bodies the flag for Start Awake cannot be disabled, even if unchecked, when Simulate Physics is set to true. I've attached a project with assets f ...

Editing an instanced variable that is nested in two other instanced variables causes a crash

UE - Gameplay - Blueprint - Jul 2, 2015

If a user edits a instanced variable which is nested inside two other instanced variables in blueprint editor, a crash will occur ...

Character Using Move to Location or Actor Stutters

UE - AI - Jun 9, 2016

Characters using Move to Location or Actor will briefly pause with each few steps during their movement. This did not occur in 4.11.2 binary, this is a regression. Found in 4.12.1 binary. Reproduc ...

Calling RestartGame Function causes a crash when exiting PIE

UE - Gameplay - Jul 7, 2015

If the Restart Game function is called in blueprints or code then the editor will crash when exiting PIE [Link Removed] ...

"Error: No Assets to Check In" warning when using File > Submit to Source Control on Mac SVN

Tools - Jun 2, 2016

When connecting to SVN source control on Mac, I am unable to submit new assets to Source Control using the File > Submit to Source Control method or through the Source Control > Submit to Source Con ...

Project fails to compile if UFUNCTION parameter shares a name with a previously defined UPROPERTY variable

UE - Foundation - Core - Feb 29, 2016

If the name of a UFUNCTION parameter matches the name of a previously defined UPROPERTY variable, the project will fail compile due to the following reason: Function parameter: '[Variable/Paramter ...

Upgrading a project from a binary Engine to one built from source code does not keep the solution configuration and solution platform settings in Visual Studio.

UE - Foundation - Core - Feb 26, 2015

Upgrading a code project created in a binary Engine version to an Engine built from source code results in the solution configuration and solution platform in Visual Studio being set to Debug and Wi ...

Placing a call to spawn a custom Actor in the game mode constructor instead of BeginPlay causes Editor to Crash

UE - Gameplay - Mar 1, 2016

[Link Removed] In XCode, place a call to spawn a custom Actor in the game mode constructor instead of BeginPlay. This apparently causes the editor to get into an endless crash loop unless the Bui ...

Debug symbols are required for the Shipping packaging configuration

Tools - Feb 11, 2016

If the engine is installed without the Debug Symbols, packaging for Shipping will fail due to the missing files. While I believe this is expected for Development, it shouldn't occur with shipping. ...

Expandable Area widget appears to create extra widgets when being copied and pasted

UE - Editor - UI Systems - Apr 27, 2016

Expandable Area widget appears to create extra widgets when being copied and pasted. These widget appear to be ghost widgets of the original children. If the new unwanted button is selected or delet ...