Skeletalmesh editing can be slow when asset have a lot of morphtarget

UE - Editor - Mar 3, 2020

After investigation, the asset is not rebuild, what took time is the 2 following partThe serialization of the DDC where we have to initialize the morph targetsE:\P4\main\Engine\Source\Runtime\Engine ...

Substrate Add node only adds the first Substrate Slab's Emissive value when "Use Parameter Blending" is enabled

UE - Graphics Features - Substrate - Jan 10, 2025

As per the steps to reproduce, the Substrate Add node only adds the first Substrate Slab's Emissive value when "Use Parameter Blending" is enabled. Leaving "Use Parameter Blending" unchecked on the ...

Crash when implementing interface to child blueprint and then implementing it with parent blueprint

UE - Gameplay - Blueprint - Jul 11, 2016

If the user uses a Blueprint Interface in children Blueprints and then goes to the parent Blueprint and tries to implement the same Blueprint Interface in the parent Blueprint, the editor will crash ...

Editinlinenew items in property editor have confusing borders

Tools - Jun 8, 2015

Borders around edit inline items seem wrong. Inline items get their own dark header bar but nothing at the end of the item so it doesn't appear separate from the next property in the parent object. ...

Landscape Components No Longer Editable after Undoing Component Deletion

UE - LD & Modeling - Terrain - Landscape - Oct 20, 2015

When working in Manage Mode with Landscapes and deleting a component, if you undo the deletion, you can no longer modify or select the component. I did attempt to rebuild the scenes lighting and ge ...

"Prompt for checkout on asset modification" check box no longer makes "Files need checkout!" message appear

Tools - Dec 14, 2015

"Files need check-out!" dialog no longer appears when you begin to modify an asset that is not checked out. Setting is enabled by default: [Image Removed] But message doesn't appear if you, for e ...

Pawn Velocity dramatically different on server and client with Client Authoritative Position

UE - Gameplay - Sep 28, 2018

The server is not seeing the correct walking animations on each of the clients and after doing some digging, we found that the Pawn->GetVelocity() function is returning something drastically smaller ...

Activate Reverb Effect node fails to activate when placed behind a Delay node

UE - Audio - Feb 3, 2021

It seems that the Activate Reverb Effect node is no longer functioning when put behind a Delay node. In the test project, there is an empty actor with a Event Begin Play connected to a Delay node wh ...

Cmd+W and Cmd+Q Keybindings for Mac Both Close the Editor

UE - Platform - Apple - Feb 16, 2015

While in the Editor with a Mac the user can press either Cmd+W or Cmd+Q to exit. The user on AnswerHub is reporting that the Cmd+W should close an active window or tab, where as the Cmd+Q keybinding ...

Packaging project with Blueprint nativization on produces various warnings.

UE - Gameplay - Blueprint Runtime - Jul 11, 2016

From a UDN thread: When cooking, we are seeing hundreds of warnings of the format "Compiler Warning A node that generated no code of it's own ( X ) tried to inject code into Y". There isn't anythin ...