[CrashReport] UE4Editor_UdpMessaging!FUdpMessageProcessor::HandleSerializedMessageStateChanged() [udpmessageprocessor.cpp:548]

UE - Virtual Production - Nov 21, 2017

This is a common and longstanding crash that has occurred since at least 4.11. User DescriptionsI was just sitting around and it autosaved no source context available ...

Editor crashes when exiting and having a widget blueprint open.

UE - Editor - UI Systems - Dec 22, 2015

This is a top crash occurring in the 4.11 Preview Editor crashes when exiting and having a widget blueprint open. Regression: Yes does not occur in 4.10.2. ...

SetWorldOrigin in console command crashes editor

UE - Gameplay - May 6, 2016

Using the SetWorldOrigin console command crashes the editor. Frequency 3/3 Crashreporter N/A Regression (yes) issue (does not) occur in 4.11.2 ...

Font advance and fallback font metrics have issues in 4.16

UE - Editor - UI Systems - Slate - Jun 5, 2017

There were some font regressions in 4.16 that we've since fixed (CL# 3456916 and CL# 3425681). These are affecting live users so we should get them into the next 4.16 build. ...

Lighting Channels Do Not Function with 78+ Lights on Actor

UE - Graphics Features - Oct 20, 2017

Lighting channels do not function when the number of lights affecting actors is 79 or higher. Any number of lights that is 78 or fewer will honor lighting channel assignments. ...

NPC - Texture Sample DI does not work on Niagara Parameter Collections

UE - Niagara - Nov 8, 2023

Texture sample DIs no longer work when used with Niagara Parameter Collections. This seems to affect Volume Texture DIs based on customer reports, but I have not confirmed this.  ...

NavMesh does not build correctly to SkeletalMesh collision

UE - AI - Mar 16, 2015

NevMesh cuts out holes for collision incorrectly with Skeletal Meshes. Skeletal Meshes with "Can Ever Affect Navigation" set to true and that have a Physics Asset are capable of causing this. ...

Deleting foliage actor from foliage menu does not remove actors from PIE until editor is restarted

UE - World Creation - Worldbuilding Tools - Foliage - Jun 14, 2016

Deleting foliage actor from foliage menu removes actors from level viewport, but does not remove them from PIE until editor is restarted. Regression (no) issue (does) occur in 4.11.2 ...

Reduced Tessellation at edge when using world displacement

UE - Graphics Features - Jan 11, 2016

Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...

meta specifier ArrayClamp does not work with array in struct

UE - Gameplay - Blueprint - Sep 14, 2016

Giving an int32 variable the specific ArrayClamp has no affect when the specified array is defined inside a USTRUCT(). Variable is able to be set to a value outside of specified struct's range. ...