Startup Movies not Copied to Content/Movies Directory in Content Browser

Tools - Oct 5, 2016

Startup movies are not being copied to the Content/Movies directory within the Content Browser. This can be confusing to users as it is not editable, but still functions correctly as a startup movie ...

[CrashReport] UE4Editor_UnrealEd!PackageTools::ReloadPackages() [packagetools.cpp:576]

Tools - Jun 29, 2017

This is a common crash affecting users on 4.16. Users have not provided any descriptions, so additional information is currently unavailable. Source Context 561 ::SortPackagesForReload( ...

Custom depth gets cleared for each eye in VR

UE - Platform - XR - Dec 19, 2020

From licensee: "Expected behavior (as seen in UE 4.25...also confirmed in 4.24):"[Image Removed] "Actual behavior in UE 4.26:"[Image Removed] Report from a licensee: In VR when using custom dep ...

Native variable references like GameplayAttribute cannot be searched by "Find in Blueprints" or "Asset Search"

UE - Framework - Blueprint Editor - Jan 4, 2023

"Find in Blueprints" does not turn up results when searching a GameplayAttribute by name, even when there is a GameplayEffect blueprint that has a modifier for that GameplayAttribute. This is becau ...

UNetDriver server-side hitch results in ActorInfo->NextUpdateTime far into future

UE - Networking - Feb 16, 2024

A high UWorld::Tick DeltaSeconds (i.e. GameThread hitch) results in a high UNetDriver::TickFlush DeltaSeconds. This DeltaSeconds can high (many seconds) if the hitch is long. This value then affects ...

Exporting Mannequin to Blender then Re-importing to UE4 Incorrectly Rotates Animations by 90 Degrees

OLD - Anim - Jun 16, 2015

Exporting the UE4 Mannequin to Blender then re-importing to UE4 breaks the animations, causing them to reimport rotated 90 degrees ...

Animation Orientation does not Auto-Convert to UE4 Coordinates when Reimporting

OLD - Anim - Nov 23, 2015

Animation orientation does not auto-convert to UE4 coordinates when reimporting the same way it does when importing the same animation as a new import. In other words, a run animation generated from ...

BulkData Async loading remains in memory

UE - Foundation - Core - Oct 26, 2016

Gil's new loading path may already walk away from this issue. But here's some thing I tested locally if we want to fix this. A simple way to fix is to simply add BulkDataAsync.Deallocate(); ResetA ...

Navmesh doesn't work in a Packaged Build if it was placed in a Sublevel

UE - AI - Oct 19, 2018

Once packaged, a persistent level is unable to create navmesh data properly if the navmesh bounds volumes are only present in its sublevels. The issue can be traced to the UNavigationSystemV1::IsThe ...

Trying to chord two buttons already mapped to actions to fire a third action when both are actuated fails.

UE - Gameplay - Input - Apr 14, 2022

We're aiming to set up LT - action 1, RT - action 2, LT + RT - action 3 here. I don't think this is supported via chording at present. You'd need to handle it manually (probably via adding/removing ...