Crash on multi viewport when streaming in sub level with rect lights

UE - Rendering Architecture - RHI - May 13, 2021

"Windows Principal functionality is not supported on this platform" when packaging for iOS on Mac

UE - Platform - Mobile - Jun 7, 2022

Thread here: https://github.com/dotnet/standard/issues/1279 ...

ARKit- Camera Passthrough does not function in ARDebugCheck Packages targeted for Shipping

UE - Platform - XR - Apr 1, 2022

Repro Rate 5/5 Confirmed to be a regression. Regression tested in //UE4/Release-4.27 at CL 18319896 and it did not occur. This was tested on a prepackaged project for compat testing. Only a black ...

Missing BP/Python functionality to set a viewport OCIO configuration.

UE - Virtual Production - Rendering - Color - Apr 20, 2023

Multiple vendor's asked if there could be a way to programmatically set the created OCIO config for a viewport and select the source/dest settings as well and enable/disable the config.  The curren ...

Paper2D Set Sprite function in Construction requires mobility to be set to Movable

UE - Gameplay - Paper2D - Jun 23, 2015

If you set up a default Sprite in an Actor BP and in the construction script set the sprite to an Editable Sprite Variable, in order for the new sprite to show up mobility of Sprite and BP must be M ...

Non-overridden BP update for Animation Blueprints not Calling Parent Function.

OLD - Anim - Mar 21, 2016

User in the linked UDN reports that the parent BP update was not being called in an animation blueprint unless they hooked up the parent call. By default this call is greyed out in the graph and sh ...

Shadow flicker with dynamic lighting at low cascade levels when FOV changes

UE - Graphics Features - Sep 1, 2017

When using low shadow settings there is a flicker that occurs when changing a camera FOV, the flicker will end as soon as the FOV has finished adjusting to the new FOV. This can occur when:Using a ...

Function about Comparing Manifest Version in HttpChunkInstaller does not Consider Manifest File Update

Portal - May 7, 2018

Current HttpChunkInstaller consider version data of manifest.But it does not consider the manifest file update. So, if user update the manifest file, HttpChunkInstaller ignores it. If changing the V ...

Procedural Mesh Component 'Create StaticMesh' Function corrupts mesh tangents

UE - LD & Modeling - Modeling Tools - Mesh Editing - Oct 25, 2018

After clicking 'Create StaticMesh' button on an Procedural Mesh Component, and saving the mesh, the created mesh has bad tangents. Included in the attachments, is a test project with a parallax mate ...