Simulating forking bones ignores import scale

UE - Simulation - Physics - Dec 12, 2019

Simulating the children bodies, but not the parent, of a skeletal mesh imported with a uniform scale not equal to 1, seems to ignore the imported scale, instead using their initial relative location ...

iOS CloudKit Crash

UE - Platform - Mobile - Dec 12, 2019

iOS app crashes when cloudsaves are active When attempting to deploy with 4.25 MAIN @ CL 10668484 it fails with error LogPlayLevel: === BUILD TARGET AJ_ioscloudsave OF PROJECT AJ_ioscloudsave WI ...

Paper2D Sprite Vertex Normals changed from 4.23 to 4.24

UE - Gameplay - Paper2D - Dec 12, 2019

Comparing static mesh cube, plane, and a paper2d sprite with a lit material it appears that we've changed how we calculate the vertex normals for paper 2d sprites, see below: [Image Removed] ...

Niagara crash when duplicating an emitter in the timeline through right-click menu

UE - Niagara - Dec 11, 2019

Trying to duplicate an emitter from the timeline crashes the editor. This looks to be the result of UMovieSceneNiagaraEmitterTrack not implementing the function SupportsType.  ...

Material Instance Parameters Undo Doesn't Update Values

Tools - Dec 11, 2019

Material Instance parameters do not update values when the user does an Undo (Ctrl+Z). An example project is attached. This seem related to [Link Removed]. Found in 4.24 CL#10570792 Reproduced in ...

Engine Crashes When Converting an Int to Float For a Map Key In Blueprints

UE - Gameplay - Blueprint Editor - Dec 11, 2019

The engine crashes when trying to automatically create a type conversion node when they are used a key for a map. Found in 4.24 CL#10570792 Reproduced in 4.25 Main CL# 10646676 ...

[CrashReport] UE4Editor-D3D11RHI!FD3D11RenderQueryBatcher::PerFrameFlush() [D3D11Query.cpp:45]

UE - Graphics Features - Dec 11, 2019

Generated from CrashReporter ...

Blueprint Actor cannot delete implemented interface when Interface is converted to an Event.

UE - Gameplay - Blueprint - Dec 11, 2019

In Editor, When you remove a return value parameter from a Blueprint Interface function's Output Category. (so there are no return values), it becomes an event. In any Blueprint that implements the ...

UI tall menu flickers with windows scaling

Tools - Dec 11, 2019

Tall menus are flickering that can not do anything with it when windows scaling is set.  (Please watch the attached video file) My setup: 3840x2160, 150% scale in the window ...