Gameplay Tag Query using NoTagMatch expression does not construct DebugString properly

Gameplay - Nov 1, 2018

The code in GameplayTagContainer.cpp has code for generating debug strings representing tag queries. Compare the code in EmitTokens in all other queries to the code in UEditableGameplayTagQueryExpre ...

Button input is ignored when toggling Input mode from UI to Game

Gameplay - Input - Oct 31, 2018

IE_Released is called when switching between the Game and UI input modes, despite the button being still held. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4527422), 4.22 (C ...

Crash reported when launching the binary Editor on a 2018 iMac Pro

Platform - Mac - Oct 31, 2018

There has been a report of a consistent crash of the binary Editor on launch when it is being launched on an iMac Pro. Additional information from two separate reports about this crash seem to indi ...

LookAt AimOffset Animation node does not interpolate with it's Blendspace

Anim - Oct 29, 2018

The "LookAt AimOffset" animation node does not recognize the interpolation setting on its assigned Blendspace. This causes the animation to snap to positions instead of smoothly rotating to them. ...

Unable to Play Sequence in PIE when changing levels in C++ with ClientTravel()

Sequencer - Oct 25, 2018

Changing levels with ClientTravel() breaks ability to activate sequence. Client Travel API: [Link Removed] Confirmed in 4.22 MAIN at CL 4503321  ...

Hot reload fails after adding a Static Mesh Component to a new Actor code class in a project that was originally Blueprint-only

Core - Hot Reload - Oct 25, 2018

Starting a hot reload by clicking the Compile button in the Editor fails after adding a Static Mesh Component to an Actor code class. This only occurs in the binary version of the Engine, and only i ...

The "alignas" keyword cannot be used with a USTRUCT

Core - Oct 24, 2018

The alignas keyword is not usable with a USTRUCT. It can be used with a normal struct. ...

Crash occurs when starting PIE on a level containing a FunctionalTest Blueprint and a sub-level with a landscape component in both levels

Tools - Landscape - Oct 23, 2018

Placing a FunctionalTest Blueprint into a level that contains a landscape component and a sub-level that also contains a landscape component results in a crash when PIE is started. This only occurs ...

Navmesh doesn't work in a Packaged Build if it was placed in a Sublevel

Gameplay - AI - Oct 19, 2018

Once packaged, a persistent level is unable to create navmesh data properly if the navmesh bounds volumes are only present in its sublevels. The issue can be traced to the UNavigationSystemV1::IsThe ...

Editor crashes when attempting to reimport multiple Data Table assets that do not have an associated data source file

Tools - Oct 19, 2018

Attempting to Reimport multiple Data Tables that do not have associated data source files results in the Engine crashing. When a single Data Table is selected to be reimported, the Editor asks for t ...