OBJ import - Auto Triangulation - Error: No polygon were found on mesh ''

UE - Editor - Content Pipeline - Import and Export - Nov 23, 2019

"When translating some geographic data into a .OBJ, and importing into UE4. More than 165 of the meshes work. Some, i am having a hard time with. I've attached an example. AUT-mesh.obj is one of the ...

Screen Aligned(Velocity) particles deform at low velocity

UE - Niagara - Nov 22, 2019

Screen aligned particles with very low velocity will squash in 4.23+ (No squashing in 4.22) Confirmed in 4.25 MAIN at CL 10333042 ...

Vulkan leaks memory when opening and closing windows

UE - Rendering Architecture - RHI - Nov 22, 2019

As described here: https://udn.unrealengine.com/questions/532725/index.html (1) Start Prebuilt Vanilla 4.23.1. with Vulkan enabled (2) Create a new project (3) Drag and drop the Sphere from “modes ...

Opening a new sequence can have SavePreAnimatedState and RestorePreAnimatedState called out of order

UE - Anim - Sequencer - Nov 21, 2019

When switching to a sequence where the current time is not in the target view range the PreAnimatedState of the new sequence will be saved before restoring the PreAnimatedState of the old sequence.  ...

[Feature Request] 3D Text - Contextual Analysis - Localization

UE - Virtual Production - Nov 21, 2019

New Text 3D plugin does not process contextual analysis for Arabic Expected: Arabic characters should change shape based on the placement of a letter in a word (similar to how in English, a letter c ...

The Find Node Can Crash on Compile After a Blueprint Compile Error

UE - Gameplay - Nov 21, 2019

The "Find" node can cause a crash if the a map with a struct value changes type while connected, is disconnected and reconnected. Compilation fails and crashes the engine. Found in 4.23.1 CL#963142 ...

Blueprint Node "Get Actors" for Layers in Level Blueprint causes crash in Packaged .exe

UE - Virtual Production - Nov 21, 2019

Blueprint Node "Get Actors" for Layers in Level Blueprint causes crash in Packaged .exe The Blueprint node "Get Actors" for Layers in the Level Blueprint causes an instant crash in a built developm ...

Event not saved correctly when duplicating Level Sequence

UE - Anim - Sequencer - Nov 21, 2019

This issue is similar to [Link Removed]. But I tested the shelve 10164190 mentioned in the comments. It didn't work. ...

Crash when confirming a directory to import a USD file to via the USD Stage window

UE - Editor - Content Pipeline - Import and Export - Nov 21, 2019

Crash when confirming a directory to import a USD file to via the USD Stage window The repro does not seem to be 100% consistent and it can take a few attempts to hit the crash. The USD Stage wind ...