Crash with a migrated BP actor using InstancedStaticMeshComponent

UE - Gameplay - Blueprint - Nov 28, 2016

A licensee reported one of their map crashes on open when they tried to migrate from 4.12 to 4.14. There was no crash in 4.13. This seems to be caused by a certain BP actor that adds InstancedStat ...

D3D HUNG crash - FD3D11DynamicRHI::RHIReadSurfaceFloatData()

UE - Graphics Features - Jan 18, 2017

This is one of the widespread D3D Hung crashes that have existed since 4.14. This particular callstack has affected around 300 users. The issue has been successfully reproduced on a home PC. Dxdi ...

Text block Outline cropped out at large sizes

UE - Editor - UI Systems - Mar 8, 2017

Text block Outline cropped out at large sizes. This affects Grid Panels and was additionally tested with Horizontal boxes with the same result Regression: This issue does not occur in 4.14.3 Binary ...

Per-section shadow/collision flags lost when merging actors

OLD - Anim - Mar 24, 2017

Information loss when merging actors such as cast shadow and collision. If one of the actors being merged has a different setting such as not casting shadows. This information will be lost and repla ...

High bandwidth usage on listen servers, even with bare minimum replication

UE - Networking - Mar 1, 2019

UDN user claims that in an empty level, when using a listen server, bandwidth is higher than expected - ~5.5KB/sec for two connections, and appears to be framerate dependent. Has posted screenshots ...

Some blueprint nodes are noticeably wider

UE - Gameplay - Blueprint Editor - Feb 19, 2021

Certain blueprint nodes are noticeably wider than they were in 4.25, and seem to get excessively wide if the user fills in literal pins on them. This was noticed with the Array Add nodes, but may a ...

Distance field shadows follow user's movement, cutting in and out.

UE - Platform - XR - May 5, 2022

Some of the shadows appear to get cut off by user's movement though level, popping in and out of the field of vision oddly. GPU dump located in [Link Removed] Issue observed on //UE5/Release 5.0 @ ...

[MetaSounds] - Inputs, Outputs, and Variables are not allowing spaces in the member name

UE - Audio - MetaSounds - Oct 27, 2022

UE does not allow to have spacing for array in MetaSound PatchThis occurs in MetaSound Source as well Regression checked and occurs on //UE5/Release-5.1 @ CL 22805038 - P4V Repro Rate : 4/4 ...

NotBlueprintable User Widgets appear as option for Root Widget

UE - Editor - UI Systems - Jan 5, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Attempting to select NotBlueprintable Widget results in a pop-up saying that it's not ...

Crash when creating a USkeletalMeshComponent inside a UMotionControllerComponent

UE - Anim - Runtime - Jan 11, 2023

This is not a Regression. Tested in //UE5/Release-5.0 CL23058290. Crash occurs when creating a USkeletalMeshComponent inside a UMotionControllerComponent when applied to a Character. Commenting out ...