Renaming Parameters resets all Instances in Level and Thumbnails

UE - Rendering - Architecture - Materials - Jan 27, 2015

Renaming a Parameter in a Base Material will make all instances of that Base Material in the level and the instance's thumbnail reset to default values from Base Material until the Instance is opene ...

Unable to Select Multiple Actors Containing Child Actor Components in the Viewport

Tools - Dec 2, 2015

When attempting to select multiple actors in the level that contain Child Actor Components, if you right-click to edit the properties of the selected actors, it will deselect any others that you hav ...

Steam Overlay does not show in Win64 Shipping builds when run outside of Steam

UE - Networking - Nov 11, 2015

Steam Overlay does not show in Win64 Shipping builds when run outside of Steam. The Steam client can be running, but unless the .exe is opened through Steam itself, the Overlay will not appear. Note ...

Using save all after moving a newly created asset to another folder will cause the asset to also exist in its original location

Tools - Dec 16, 2016

When you move an asset that has been freshly created and not yet saved, it will leave behind information that will get saved by Save All. This saved data isn't visible in the editor but is present i ...

Dragging to Change Variable Attached to Empty Reroute Node Causes Freeze

UE - Gameplay - Blueprint - Apr 25, 2016

Attempting to change a variable that is connected to a node and an empty reroute node by dragging a reference on top of the existing reference causes the editor to freeze. The user provided a vide ...

Expanding a Parent Folder, Opening a Child Folder, and Collapsing the Parent Folder Displays All Assets

UE - Editor - Content Pipeline - Content Browser - Oct 2, 2015

In the content browser, expanding a parent folder, selecting one of its child folders, and then collapsing the parent folder will cause all of the assets to display in the content browser, including ...

Crash Occurs In Skeletal Mesh Editor When Adding a Bone Transform in a New Animation Sequence

UE - Anim - Runtime - Apr 22, 2022

Occurs 3/3 times Regression does occur: tested in //UE4/Release-4.27.2  EGL Live @ CL 18319896. No crash occurred.  A crash occurs in the Skeletal Mesh Editor when adding a bone transform to the A ...

Initializing and setting Physics Constrained in the Construction Script doesn't work in PIE

UE - Gameplay - Jan 25, 2016

Initializing and setting Physics Constrained in the Construction Script doesn't work in PIE Could be related directly too: https://jira.ol.epicgames.net/browse/UE-7878 User description: However, ...

RootMotion Malfunctioning When Played in Lower Framerates

UE - Gameplay - Player Movement - May 2, 2016

Root Motion Animations are not functioning correctly during lower frame rates. For example, a character moving forward 2 meters at regular frame rate will move 10 meters at a lower frame rate. Regr ...

Ambient Cubemap Assignment in Post Process Volume does not work with Forward Renderer

UE - Graphics Features - Nov 8, 2016

The Ambient Cubemap assignment in a Post Process Volume doesn't work when using the Forward Renderer. I want to note that Cubemap assignment in the Skylight does work. I checked this just to make s ...