Raytraced Shadows render incorrectly in a project that has been converted from 5.0.3 to 5.1.1 to 5.2

UE - Graphics Features - Ray Tracing - May 16, 2023

Version to VersionResultsNew 5.0.3 project to 5.1.1Works as ExpectedNew 5.1.1 project to 5.2Works as ExpectedNew 5.0.3 project to 5.1.1 to 5.2Bug OccursNew 5.0.3 project to 5.2 Bug Occurs The scene ...

10 or more Static Meshes set to Simulate Physics and Replicates Movement will crash the editor with PIE set to 2 or more players

UE - Networking - May 19, 2015

10 or more Static Meshes set to Simulate Physics and Replicates Movement will crash the editor with PIE set to 2 or more players. Less than 10 don't cause a crash. The user reporting this got a mor ...

Macros with 2 wildcards - first type sets other wildcard

UE - Gameplay - Blueprint - Mar 31, 2015

https://udn.unrealengine.com/questions/240869/macros-with-2-wildcards-first-type-sets-other-wild.html ...

Materials with Subsurface Profile not affected by Opacity value

UE - Graphics Features - Oct 24, 2017

A material with Shading Model set to Subsurface Profile is no longer affected by Opacity value in 4.17, 4.18, and 4.19 (Main) but was previously working as intended in 4.16. This is a regression. ...

Reducing Resolution Scale affects Selection Accuracy in Viewport

UE - Graphics Features - Nov 17, 2015

When reducing the Resolution Scale the selection accuracy is reduced greatly, and makes it difficult to click and move objects in the viewport when PIE or Simulating. ...

Preview Background Feature Removed From UMG In 4.13

UE - Editor - UI Systems - Sep 26, 2016

Widget Blueprint no longer has "Preview Background" feature in 4.13. This is misleading since the documentation mentions to use this in the workflow here: https://docs.unrealengine.com/latest/INT/En ...

Stop using power of 2 RTs for landscape edit layers

UE - LD & Modeling - Terrain - Landscape - Apr 4, 2023

Result : all the RTs allocated for edit layers (in global merge mode) will be padded to the next power of 2 for no good reason, which can lead to out-of-VRAM (as reported by [Link Removed]) ...

GPU Particles flicker when using 2 Nvidia GPUs in SLI

UE - Graphics Features - Jan 20, 2017

Pick any game with GPU particles. Set the executable to run AFR mode 2 from Nvidia control panel. Look at GPU particles. ...

Unreal Remote 2 does not send information about motion control

UE - Platform - Mobile - Aug 25, 2018

Unreal Remote 2 does not give information on motion control to PC. This is different from the description of the application. Use this application alongside Unreal Engine to view and control the de ...

Instance changes no longer propagating to ChildActor after updating from 4.11.2

UE - Gameplay - Jun 13, 2016

Function parameters do not appear to pass the correct information after updating from 4.11.2 ...