Reimporting Meshes after renamed in Engine or Modeling Program break reimporting

UE - Editor - Content Pipeline - Import and Export - Aug 10, 2015

If you import multiple meshes from a single FBX file, then rename the asset in the Engine or in the Modeling Program, you will no longer be able to reimport asset until you complete overwrite import ...

Curve editor (UMG) prevents Play in Editor if the a drag operation is interrupted with a right click

UE - Anim - Sequencer - Aug 1, 2016

Curve editor (UMG) prevents Play in Editor if the a drag operation is interrupted with a right click. The user is given an error that they cannot play in editor while a drag operation is still on go ...

Using "Show Mouse Cursor" breaks mouse axis movement

UE - Gameplay - Input - Apr 6, 2016

If Show Mouse Cursor is enabled and the mouse is not locked to the viewport, input axis information passed to other actors breaks after releasing and re-pressing LMB. Regression? (Yes), issue (do ...

Draw Line in HUD does not respect alpha < 1.0

UE - Gameplay - May 2, 2016

Draw Line in HUD does not respect alpha < 1.0, instead drawing completely opaque in all circumstances. Regression (No) issue (does) occur in 4.10.4 ...

Datatable shows serialization of struct variables within a struct

Tools - May 18, 2016

If a datatable is created from a struct containing another struct, added rows will show serialization values in the datatable editor for struct variables. Regression (No) issue (does) occur in 4.1 ...

Using Integer Bitmask crashes editor

UE - Gameplay - Blueprint - Jun 2, 2016

attempting to open a project with Bitmask Flags set to true in a blueprint crashes editor. Note In attached project, the crash has been narrowed down to the filepath \Content\ThirdPersonBP\Bluepri ...

Material editor loses focus when the content browser is clicked

Tools - Feb 6, 2015

Trying to click and drag something from the content browser to the material editor causes the material editor to lose focus and hide behind the main editor window. ...

Can perform infinite "double jumps" when JumpMaxHoldTime is greater than 0.

UE - Gameplay - Player Movement - Jun 3, 2016

There's a bit of broken (or missing) logic in ACharacter that doesn't account for users having released the jump button. This is a well known issue, and there's even video's describing how users can ...

Sub Classing World Settings Causes Hot Reload to Crash

UE - Foundation - Core - Feb 3, 2016

When creating a subclass of World Settings, attempting to use the in-editor compile button to compile the code causes the editor to crash. Found in 4.11 Preview 4. Reproduced in 4.10.2 binary and ...

Can't save map warning with Create Dynamic Material Instance node using wrong input

UE - Gameplay - Blueprint - Dec 18, 2015

When using a Create Dynamic Material Instance node the Get Material node will plug into the World Context Object rather than the Parent input. This will cause a error to be thrown that does not allo ...