Importing an Alembic File with "Skip Empty Frames at Start of Alembic Sequence" Enabled Causes Crash

OLD - Anim - Jul 13, 2018

Importing an Alembic File with "Skip Empty Frames at the Start of Alembic Sequence" Enabled Causes Crash. Found in 4.20 Preview 5 CL# 4173640 and 4.21 CL# 4207835 ...

Visual Studio integration plugin is required to compile when using Rider IDE

UE - Foundation - Cpp Tools - Apr 19, 2022

Rider integration and RiderLink plugin was in beta during UE5 Early release and is now in release with UE5 5.0.0 Release. [Link Removed] Due to the above information, it seems we can not test regr ...

WrapBox->ForceNewLine() does not keep the slot on a new line.

UE - Editor - UI Systems - Slate - Apr 18, 2022

Repro Ratio: 4/4 Regression testing done in //UE5/Release-5.0-EarlyAccess CL-16682836 as this is a new feature to UE5. This issue Also happened in Early Access 2. ...

Nanite meshes' selection outline is off with temporal upsampling

UE - Graphics Features - Nanite - Feb 2, 2021

Non nanite mesh have an outline that match lit geometry, but not nanite meshes. The plan is to enable temporal upsampling by default in 5.0, so this issue will become problematic [Link Removed ...

Changing Shadow Quality causes SingleLayerWater Materials to disappear

UE - Rendering Architecture - Materials - Nov 15, 2022

Regression: Tested in UE5/Release-5.0, issue is reproduceable. This issue appears to be related to the Opacity Mask of the material, as not having an Opacity Mask does not cause the material to dis ...

Forward Rendering causes Volumetric Material to not render against background

UE - Graphics Features - Nov 15, 2022

Regression: Tested in UE5/Release-5.0, and the issue is reproduceable. This issue appears to occur when the SkySphere is deleted from the level, as leaving the SkySphere in the level causes the Vol ...

Sky Lights don't effect Translucent materials

UE - Rendering Architecture - Materials - Nov 21, 2022

Regression: Tested in UE5/Release-5.0, this issue does not occur so it is a regression Appears to be an issue with Lumen and Skylights with Cubemaps. Directional lights, point lights, etc. all work ...

Editor sometimes crashes when trying to compile an Animation Blueprint that extends a class with AnimInstanceProxy

UE - Anim - Runtime - Anim Blueprints - Jan 10, 2023

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Seems to work fine when compiled once, but after the 2nd or 3rd time it crashes. ...

LiDAR asset is distorted when reopening the level after closing it.

UE - Editor - Content Pipeline - Feb 15, 2023

Found an issue with the asset in the steps to reproduce in //UE5/Release-5.2 CL 24238206 Perforce. When closing and reopening the project the asset in the viewer shows up as distorted. The issue occ ...

Widget that is a derived from a child widget reports component variables as Invalid

UE - Editor - UI Systems - Aug 23, 2023

This is not a regression. Tested in //UE5/Release-5.2 CL26001984 A widget that is a derived from a child widget reports component variables as Invalid, while the child and parent of that child will ...