Landscape LOD tessellation is broken in 4.24

UE - LD & Modeling - Terrain - Landscape - Oct 16, 2019

Landscape LOD tessellation creates big holes in landscapes. ...

The Rotate Around Point Niagara module does not account for current particle position

UE - Niagara - Oct 16, 2019

The rotate around point module no longer adds in particle position, so it does not account for other forces and modules effecting the particles, and will only spin in a circle by default. The user c ...

Rotating an instanced static mesh

UE - LD & Modeling - Modeling Tools - Mesh Editing - Oct 16, 2019

Changing the rotation of an instanced static mesh by 90 or 180 degrees creates a small space in between meshes.  ...

Dispatcher event called from actor blueprint needs to compile in a specific order

UE - Gameplay - Oct 15, 2019

Dispatcher events being called from actor blueprints have to be compiled in a specific order to successfully call the dispatch event.  ...

Child Blueprint components become broken in sequencer when "Run Construction Script in Sequencer" is checked

UE - Anim - Sequencer - Oct 15, 2019

When enabling "Run Construction Script in Sequencer" on a Blueprint Child Actor and having "Rerun Construction Scripts" turned on in Sequencer, the Child BP's properties become inaccessible in Seque ...

Unloading a spawned Detour AI Controller using Level Streaming causes a crash

UE - AI - Oct 14, 2019

In a Level Streaming setup, unloading a level that has spawned an AI Character with a Detour AI Controller causes a crash. This was reported and tested in 4.23 (CL-8386587). This was reproduced in ...

Sorting a Blueprint variable into a subcategory separates variables into separate category structures

UE - Gameplay - Blueprint - Oct 14, 2019

Within the Blueprint Editor, it is possible to create subcategories for variables to be sorted into. Doing so separates variables not nested into subcategories out into standalone, top-level structu ...

Camera modifier blueprint used in another blueprint crashes editor (Assert failed in edit condition code in details panel)

Tools - Oct 14, 2019

Changing the default values inside of a camera modifier blueprint when referencing it in another blueprint results in a crash. Tested in 4.21, 4.22, 4.23 and 4.24 ...

Undoing after opening a bluperint will delete nodes in a math expression

UE - Gameplay - Blueprint - Oct 11, 2019

Math expressions fail to compile when performing an Undo after opening a blueprint ICE - wrong output link - ((1 + x) * (sin(myVar))) - (2.400000 / (rand())) ...

Background Blur widget renders with offset in PIE when within a Retainer Box

UE - Editor - UI Systems - Slate - Oct 10, 2019

The background blur widget does not render in the correct position in PIE when it is within a retainer box. It's likely that we're not applying the retainer window's offset properly when calling FSl ...