Crash when ribbons use delayed spawn particle as source.

UE - Graphics Features - Dec 3, 2015

User has found bug but has a working fix. Verify fix and implement in engine. ...

Difference in Physics on Client in Standalone vs PIE

UE - Networking - Dec 3, 2015

Difference in force on an actor on a client in a dedicated server scenario between PIE and Standalone. Tested in 4.10 and 4.11. Test project attached. ...

UDN: Editor ignores platform-suffixed solution file names when checking for a compiler

UE - Foundation - Cpp Tools - UnrealBuildTool - Dec 3, 2015

https://udn.unrealengine.com/questions/270801/cannot-open-modules-panel-its-missing.html MikeF: The "Modules" button will automatically become hidden if the editor thinks that the user is not a pr ...

Segment to Segment Navigation links not usable/working

UE - AI - Dec 3, 2015

A licensee asked about SegmentLinks not working. These were apparently disabled because they were buggy and are waiting to be fixed, but not currently being worked on. Adding this to JIRA since ther ...

Blueprints can be created for a class after removing the class from the project

UE - Gameplay - Blueprint - Dec 2, 2015

If a class is added then removed from a project, blueprints can still be created based on the deleted class. ...

Ragdoll Physics do not Function Properly on a Mirrored Skeletal Mesh

UE - Simulation - Physics - Dec 1, 2015

Selecting the default character/skeletal mesh (or any skeletal mesh) in the viewport, right-clicking and transforming it so it mirrors on the X,Y, or Z axis will cause the physics to act erratically ...

Skybox returns Overlapping UV error after building lighting

UE - Graphics Features - Dec 1, 2015

After bringing the BP_LightStudio into a level and building light an error message is given. The error message says that the Skybox's UV's are overlapping. ...

Text Render Actors do not maintain relative offset when attached to blueprints via construction script

UE - Gameplay - Dec 1, 2015

Text Render Actors do not maintain relative offset when attached to blueprints via construction script. This did not reproduce with other actor types. Types used: Static mesh actors, blueprints, b ...

Sizes of widgets are shown as their size before DPI scaling is applied after changing ScreenSize

UE - Editor - UI Systems - Dec 1, 2015

If the user sets the screen size to iPhone 4s (640 x 960) A widget that is "Fullscreen" will be roughly 1080 by 1620 in size (as reported by the details panel). This is the size before the DPI scali ...

Meshes made with the Pivot Painter tool don't work correctly on OpenGL ES3.1 + AEP

UE - Platform - Mobile - Dec 1, 2015

In the project attached in original UDN post (too big to attach here) there is a tree that was created with the pivot painter tool that is animated. In the editor it behaves correctly, but trying t ...