Launching on IOS, sessions do not appear in the Session Frontend

UE - Networking - Oct 17, 2018

Licensee reports: Dug into this further and our iOS devices aren't receiving any of the handshake messages sent by the Session Frontend (or any other UDP messages for that matter) because multicast ...

Attempting to use the GameplayTags module in a binary code project will result in build failures in Visual Studio.

UE - Foundation - Core - Mar 27, 2015

Using the GameplayTags module in a code project created with the binary version of the Engine results in a build failure in Visual Studio. The following error is shown: 1> D:/Epic Games/4.7/Engine ...

LIVE: Manually importing a single LOD created in Maya will rotate -90 degrees

UE - Editor - Content Pipeline - Import and Export - Nov 5, 2014

DESCRIPTION: When importing a mesh created with Maya then saving, closing, and reopening the editor, if you add a LOD via the right mouse menu or mesh editor will result in the LOD importing -90 rot ...

Ensure condition failed : loading sublevels containing reflection captures, UpdateAllReflectionCaptures may be called twice

UE - Graphics Features - Apr 1, 2021

If sublevels containing multiple reflection captures are loaded in consecutive ticks and the execution timing of UpdateMaxCubemaps on rendering thread is delayed, UpdateAllReflectionCaptures will be ...

UDN: ChildBP - When replacing Static or SkelMesh Compoent inherited from the Parent Class, Socket list doesn't update

UE - Gameplay - Blueprint - May 21, 2015

This is simple, but maybe hard to explain, so hear with me. I've attached a sample project and Repro Steps below in case it's not clear. Basically: 1. Make BP_Parent with an unassigned Mesh (Stati ...

Crash generating grass for landscape with XY offset map

UE - LD & Modeling - Terrain - Landscape - May 8, 2015

Landscape grass map generation crashes if the landscape component in question uses an XY offset map. --------- Fatal error: [Link Removed] [Line: 646] Rendering thread exception: Fatal error: [Lin ...

Physics not reacting correctly with physical material if velocity is not high enough

UE - Simulation - Physics - Feb 3, 2015

There are issues with the way Physics is being handled with physical materials. Having a physical material setup with a restitution of 1 and a high max depenetration value will result in no bounce. ...

The FNetNameMapping::GetUniqueName function appends numerical values to the end of the previous name instead of replacing the previous name's numerical value

UE - Gameplay - Blueprint Compiler - Feb 23, 2018

The GetUniqueName() function attempts to make sure that all node names are unique. For nodes that are used a large number of times, it adds a numerical value to the end of the name. Prior to 4.18, t ...

Crash with Ensure when resizing layout

UE - Editor - Workflow Systems - Jun 1, 2023

This is a regression as the issue does not occur in //UE5/Release-5.1.1 - CL 23901901 ...

Slider Values are not working inside of a blueprint

UE - Gameplay - Blueprint - May 7, 2015

Slider Values are not working inside of a blueprint in 4.8 Preview 1. User Description: Problem with the numeric float/int boxes in the editor in Blueprints, if for example open the TPS Template a ...