Character rotations can diverge between clients and client/server briefly under packet loss and using bOrientRotationToMovement

Gameplay - Player Movement - Jun 4, 2020

At some points the rotations will diverge briefly while the client and server attempt to rotate to the orientation direction by going different directions about the rotation axis. ...

Crash when setting a module input to read from a new user parameter

Rendering - Niagara - Jun 2, 2020

Crash when setting a module input to read from a new user parameter Crash does not occur when drag/dropping a User Parameter from the Parameters panel into the input, or when selecting a preexistin ...

Granular Synth stays silent since it cannot load the sound with Stream Caching enabled

Audio - Jun 1, 2020

Using Granular Synth with Stream Cache enabled, Granular Synth will stay silent since it cannot load the sound with Stream Caching turned on. This was reported and tested in 4.25 (CL-13144385). Thi ...

Typo in Tick Interval tooltip inside task blueprints

Gameplay - AI - May 28, 2020

The BTTask_BlueprintBase class has a type in the tooltip for Tick Interval: " /** If any of the Tick functions is implemented, how ofter should they be ticked.Values < 0 mean 'every tick'. */" ...

Unable To Unsolo or Solo Sound Waves

Audio - May 26, 2020

Sound Waves are not able to be soloed in a new project or unsoloed in an existing one from a prior version. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4.25 (CL-131 ...

Template function TSparseArray::PointerToIndex does not compile

Core - May 26, 2020

Error:  C:\Program Files\Epic Games\UE_4.25\Engine\Source\Runtime\Core\Public\Containers/SparseArray.h(778): error C2440: '-': cannot convert from 'const TSparseArrayElementOrFreeListLink<TAlignedBy ...

Inventor Assembly imports incomplete or missing geometry

Tools - Datasmith Importer - May 22, 2020

It seems that UE4 has a problem with importing Inventor Assemblies and Subassemblies. Files are either the wrong orientation or missing their geometry completely. This was reported and tested in 4 ...

Screen space reflections are flickering when using no Anti Aliasing

Rendering - May 20, 2020

This is a regression from 4.24.3 (CL-11590370). SSR begins to flickers when AA is disabled when moving around the scene. This was reported and tested in 4.25 (CL-13144385) and reproduced in Main 4. ...

Time Synth fails to play 96KHz audio clips

Audio - May 19, 2020

TimeSynth 96KHz music clips only play for a split second and then stop. 48KHz files play correctly however 96KHz 16-bit and 24-bit files do not This was reported and tested in 4.25 (CL-13144385) an ...