Divide by zero in beam update can cause editor to crash in Cascade

Rendering - Cascade - Sep 23, 2019

The licensee has traced the issue back to a divide by zero in  UParticleModuleTypeDataBeam2::Update. If the Target and Source are the same then the beams magnitude will be zero. When there is a Nois ...

Cinema 4D melange to Unreal Datasmith: missing hierarchy and objects

Datasmith - Cinema4D - Sep 23, 2019

Moving certain sub groups out of a group cause some of them to appear through a new datasmith import (in a new blank project), but most objects are still missing even with very small groups, and eve ...

ILC/VLM doesn't affect Static Staticmesh at all on Mobile

Platform - Mobile - Sep 23, 2019

In practice, developer wants some Static-Staticmesh actors don't build lightmaps to save iteration time as well as Memory and Package size; but still want lit by Indirect lightings ...

Camera Shakes with Oscillation Blend Out Time do not play for their full duration in Sequencer

Sequencer - Sep 20, 2019

Camera shake oscillations with blend out time do not play their full duration in sequencer.  ...

Shots with Time Scale less than 1.0 do not render from master sequence

Sequencer - Sep 20, 2019

Setting a shot's time scale to less than 1.0 will cause it to not be rendered. ...

Pivot Offset for grouped objects resets to another objects offset

Tools - Sep 19, 2019

Grouping objects with individual pivot offsets causes a new offset location to be selected after manipulating the groups rotation or translation.  ...

Client crashes after second seamless travel when a blueprint manually placed in the world spawns a replicated actor

Networking - Sep 19, 2019

When a user loads into a level that spawns replicated actors using manually placed blueprints twice using ServerTravel with Seamless Travel enabled it will crash. It looks like the engine can't find ...

Render Target Is Jittery/Blurry When Used With A Scene Capture Component

Rendering - Sep 19, 2019

Render Target is Jittery and Blurry When Used with a Scene Capture Component. Found in 4.23 CL# 8386587, 4.234 CL# 8748719 This is a regression. ...

Morpher Animation incorrect if Names Overlap on Imported Mesh

Tools - Import - Sep 19, 2019

Overlapping names are imported (with extra renaming), however they fail to attach the animation. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, and 4.24 CL# 8748719 ...

iOS App Store ITMS-90809: Deprecated API Usage from UIWebView APIs

Online - OSS - iOS - Sep 19, 2019

Users are receiving "ITMS-90809: Deprecated API Usage - Apple will stop accepting submissions of apps that use UIWebView APIs . See [Link Removed] for more information. " issue when submitting apps. ...