Adjusting Agent Radius in RecastNavMesh causes AI to not move

UE - AI - Sep 9, 2015

Adjusting the RecatNavMesh in a map can cause the AI to not move when simulating or playing in viewport. Setting it back to the default value does not fix the issue. I can only reproduce this with ...

Client Characters that slide past the Server Character while on top of a Movable Actor can become de-synchronized from their Server counterpart

UE - Networking - Sep 9, 2015

Client Characters that slide past the Server Character while on top of a Movable Actor can become de-synchronized from their Server counterpart. Does not occur on top of Static Actors. Hard to expl ...

A packaged game that contains a plugin with a custom struct and function using that struct will crash on launch.

UE - Foundation - Cpp Tools - Plugin System - Sep 9, 2015

If a project is packaged with a plugin that contains a custom struct and a function that takes that struct as a parameter, the game will crash when the executable is run. [Link Removed] ...

Adding a UMG widget to the viewport twice results in a crash.

UE - Editor - UI Systems - Sep 8, 2015

Attempting to add the same widget to the viewport twice will result in an assertion and crash. ...

Adding a hole to landscape and previewing in OpenGL ES2(Mobile) Crashes UE4

UE - Platform - Mobile - Sep 4, 2015

Making a hole in a landscape and viewing in mobile preview using OpenGL ES2(Mobile) and stopping preview crashes editor. ...

DrawMaterial() Function not Rendering Translucent Material to HUD

UE - Rendering - Sep 4, 2015

After creating a new HUD blueprint class and calling it to render a translucent material, the material does not render at all. This is not the case with any other Blend Mode when called to render to ...

Opening a level in PIE after adding a variable to a struct referenced in the GameInstance crashes this project

UE - Gameplay - Blueprint - Sep 3, 2015

This user's project crashes on opening a level in PIE after adding a variable to a struct referenced in the GameInstance. Note that I had to do this twice to get the crash to occur. The project can ...

Get All Actors of Class is failing to report at Event Begin Play in a streamed level

UE - Gameplay - Sep 3, 2015

Get All Actors of Class is failing to report at Event Begin Play in a streamed level. Test project attached. This is a regression: did NOT occur in 4.8.3. Reproduced in 4.9.0 binary and Main (2678 ...

Compiling a Blueprint that references a deleted Macro from a Custom Macro Library will crash the editor

UE - Gameplay - Blueprint - Sep 3, 2015

Compiling a Blueprint that references a deleted Macro from a Custom Macro Library will crash the editor. Crash Report: [Link Removed] This is a regression: did NOT occur in 4.8.3. Reproduced in 4. ...

The Select node will accept both a Parent Class and a Child Class as inputs if the Parent is added first

UE - Gameplay - Blueprint - Sep 2, 2015

The Select node will accept both a Parent Class and a Child Class as inputs if the Parent is added first. The node will compile if the Index is set to anything other than Wildcard. Note that the no ...