Duplicated Parameters in a MPC cannot be used always return source results

UE - Rendering Architecture - Materials - Jun 15, 2015

When you duplicate a Parameter in a Material Parameter Collection instead of adding a new Parameter, the duplicated parameter always returns the same results as the source no matter the value entere ...

Underscores do not appear in Category names

UE - Gameplay - Blueprint - Oct 31, 2016

Underscores do not appear in Category names within blueprints. Regression (no) issue (does) occur in 4.12.5 ...

Vehicle physics are resolving erratically and causing random jitter/flips in the Advanced Vehicle Template

UE - Simulation - Physics - Nov 16, 2016

When a vehicle is on an uneven surface, the physics that are handling where the wheels should be placed is resolving sporadically, causing noticeable jitters and sometimes flipping. Regression?: Ye ...

Crash when closing the editor during Play if a web browser widget is in use

UE - Editor - UI Systems - Nov 17, 2016

Crash when closing the editor during Play if a web browser widget is in use. A web browser was added to the screen during Play in Editor. After this the editor is close via the [X] in the upper righ ...

Crack Free Displacement is Flattening Displacement on Landscapes

UE - LD & Modeling - Terrain - Landscape - Nov 18, 2016

If a user enables 'Crack Free Displacement' when using tessellation on landscapes, the displacement becomes flattened. This does not occur on regular static meshes, and seems to be tied only to land ...

Limited Camera Movement after Ejecting from PIE

Tools - Apr 15, 2016

When ejecting from the Player Controller while PIE, navigation ability to move around the map is virtually non existent. The only movement command(s) that work is if you hold a mouse button down and ...

Crash Occurring in FD3D11DynamicRHIModule::FindAdapter()

UE - Graphics Features - Jul 13, 2016

Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 804] Array index out of bounds: 1 from an array of size 1 Source Context: 352 353 // We a ...

After Seamless Server Travel, the Client cannot move the character or see the Server character

UE - Networking - Jul 9, 2015

After Seamless Server Travel, the Client cannot move the character or see the Server character. On the Server, the Client character appears to be falling in place. Tested in both first and third per ...

Ctrl+z while playing in the blueprint editor will undo history

UE - Gameplay - Blueprint - Jun 9, 2015

When pressing play within the blueprint editor, if you use control & z, it'll revert your changes you've made to the blueprint. Which could cause people to lose their progress in their blueprint tem ...

Torque curve makes no difference on vehicle movement

UE - Gameplay - Blueprint - Sep 11, 2015

When changing the Torque Curve in a Wheeled Vehicle's Vehicle Movement Component, the values set don't affect the torque of the vehicle. ...