zero-volume being cutoff and not restarted when non-zero

Licensee reported issue with recent changes to sorting that include volume-weighting. Previously, the sort was just due to priority (which was usually 1.0 and thus the sort was nearly random) and ha ...

Category is not stored to Timeline Component

UE - Gameplay - Components - Jan 27, 2016

Category of Timeline Component is not stored. (Reproduced 4.11 Preview and 4.9 too.) ...

AttachChildren on the client can lose entries

UE - Gameplay - Jan 26, 2016

If a client attaches a scene component to a server authoritative scene component and that server component later has a change in attachment made on the server, the AttachChildren array on the client ...

Tilemap using Masked Lit Sprite Material not Rendering in Standalone mode

UE - Gameplay - Paper2D - Jan 26, 2016

When using a Tilemap with a Masked Lit Sprite Material, the tilemap will not render while in Standalone. In the test project, the Paper2D Blueprint character was switched to Masked Lit Sprite Materi ...

Plane Constraint Normal is not Properly Reset

UE - Simulation - Physics - Jan 26, 2016

In the Character Movement Component, setting the Plane Constraint Normal to a value other than default, and then attempting to change the value back to the default does not revert to the default val ...

-precompile crashes UBT in a user non-friendly way on Linux

UE - Platform - Linux - Jan 26, 2016

"-precompile" is used to precompile the engine into static libs (primarily for Rocket). According to BenM, recently modules have been made to opt-out rather than opt-in for this feature (because the ...

Cannot Add Actor Blueprints to Object Library When Base Class is Set to Actor

Tools - Jan 25, 2016

Setting the base class dropdown of an Object Library to Actor prevents you from being able to add any actors to the library. This occurs even when the Has Blueprint Classes bool is checked. Found ...

Certain console commands/variables do not show their description text in the console window

UE - Foundation - Core - Jan 25, 2016

Console variables such as "t.maxFPS", "CauseHitches", "t.unsteadFPS", and help "help" (these were all tested, there may be more untested with the same behavior) have description text in code howeve ...

FBX imports non-sequentially named Skinxx id's will not import all material elements

UE - Editor - Content Pipeline - Import and Export - Jan 25, 2016

When importing an asset that is using the naming convention for SkinXX to order material elements does not work properly when the elements are not sequential. Any material that is not in sequential ...

Complex Collision as Simple causes odd Overlap behavior

UE - Simulation - Physics - Jan 25, 2016

When triggering overlap events with a Static Mesh using Complex Collision as Simple, the overlap Begin and End events will be triggered rapidly in sequence. Changing to Default collision will fix t ...