NavMesh Not Updating When Collision is Manually Added to/Removed From a Static Mesh

UE - AI - Nov 9, 2015

When you add or remove collision manually, the NavMesh will not update, even after rebuilding paths. The only way to get the NavMesh to update when collision is changed manually is to restart the ed ...

When move selected foliage to level, Foliage can not move to level.

UE - World Creation - Worldbuilding Tools - Foliage - Jul 18, 2017

With 4.15, I can move Foliage to "Sublevel B", but I can not move it with 4.16. It seems to be affected by the update in 4.16 (New: When moving a foliage asset to a new level, you will now be prompt ...

Logging out and then logging in as a new user results in slate creating multiple Slate User IDs

UE - Gameplay - Input - Jul 28, 2023

I believe this is happening because when you change your logged in user, the Slate Application will automatically create a new second slate user with an ID of 2. This is bad because the Slate App is ...

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 ...

On mobile devices, Audio that is trigger with a TriggerBox are playing from the beginning of the Audio Clip and not from the selected time

UE - Platform - Mobile - Jan 13, 2015

If you have a trigger box trigger an ambient audio clip when you enter the box, the audio clip will always play from the beginning even if you have the Start time starting later in the audio clip. ...

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 ...

After upgrading to 4.7 from 4.6, one of the Blueprints in this user's project will not save its Replicates setting

UE - Gameplay - Blueprint - Mar 4, 2015

One of the Child Blueprints in this user's project will not save its Replicates setting. The Blueprint (apa_room01) is a child of MasterRoom, which has Replicates enabled. When apa_room01 is first o ...

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, ...