Unreal Engine Issues

In the Anim Sequence Editor set a Notify's MontageTickType to be fixed to BranchingPoint if that Notify is a Native Branching Point

To avoid confusing users when working with a Native Branching Point Notify set its MontageTickType to be fixed to BranchingPoint.  ...

"Fix root motion initial rotation handling" commit breaks root motion completely

Enabling and processing root motion causes animation to rotate the wrong direction. Roll instead of Yaw. Pitch instead of roll etc. This error does not occur in UE 4.6. ...

Fix up redirectors can fail if some packages were already checked out

Fix the skeletal mesh merge tool material assignment, change the API to avoid confusion

UDN user ask us to change the API for the material to remove confusion with the material ID. Also apparently there is an issue with the skeletal mesh merge tool, the user did not give any repro ste ...

4.23 UpdateGrass took twice time than 4.22

Level Bounds Incorrectly Calculated If Particle System Does Not Have "Use Fixed Relative Bounding Box" Enabled

If "Use Relative Fixed Bounding Box" is disabled, level bounds will be incorrectly calculated. This seems to be similar to [Link Removed]. Found in 4.19 CL# 4033788, 4.20 CL# 4212847, 4.21 CL# 4233 ...

Backout attempted fix for - AutoSize triggers ensure on shortened Skel Anim Section moved past anim length

In Sequencer, calling "Edit > Auto Size" on a UMovieSceneSkeletalAnimationSection triggers the LowerBound > UpperBound ensure in UMovieSceneSection::SetRange (MovieSceneSection.h:333) when the secti ...

Paper2D Sprite Vertex Normals changed from 4.23 to 4.24

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] ...

Fix PrimitiveComponent overlap indirection

When doing overlap tests in PrimitiveComponent, UWorld->ComponentOverlapMulti is used. The callstack for that ends up looking like this (callstack is inverted, highest level on top): UWorld::Compo ...

4.23 Preview crashes with command line arguement -AutomatedMapBuildUseSCC = False

Using an automated script in command line arguments to build project map causes a crash. Note: that it will not crash when 'UseSCC=false' is omitted, but it will not build the map either. Screen gr ...