Mouse loses focus after setting show mouse cursor to true and clicking anywhere on screen

UE - Gameplay - Input - Nov 17, 2014

If the mouse is toggled to show by using "Set Show Mouse Cursor" and then the user clicks in the window the mouse will lose focus (the camera will no longer freely track the mouse) ...

No log files are being created for Windows Shipping builds

Tools - Dec 26, 2014

When you package a project for Windows Shipping, The project will not generate a log file when the .exe project is played. The project will generate a log file if you package the project in the De ...

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 ...

Using 'Show Collision' in an execute console command node is crashing a packaged project.

UE - Graphics Features - Mar 30, 2015

When packaging a project for any platform, If you have 'Show Collision' in an Execute Console Command, you will see the project crash once it is packaged. Log files from the crash have been attach ...

Anim Time Ratio Doesn't Factor In Pin Sequence

OLD - Anim - Aug 12, 2015

In a transition rule, the time assessed in "Time Remaining Ratio" Node does not include/factor time from the Pin Sequence of the animation node. For instance, if the original animation is 20 frame ...

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 ...

[CrashReport] FLandscapeEditorCustomNodeBuilder_TargetLayers::OnTargetLayerDeleteClicked()

UE - LD & Modeling - Terrain - Landscape - Oct 5, 2017

This is a somewhat common Landscape crash occurring throughout the 4.17 release. User Descriptions1) rename landscape layer, 2) delete layer in landscape tool Source Context 1307 FReply FL ...

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 ...

AbilitySystemComponent::NotifyAbilityEnded Can Crash due to Callbacks Invalidation Specs

UE - Gameplay - Gameplay Ability System - Oct 11, 2023

Pasting from the UDN: Unsafe code in AbilitySystem can lead to crash when granting an ability inside OnAbilityEnded Hello. We just ran into a crash. After investigation, it seems to be caused by ...

Stale VSM pages after HLOD transition

UE - Graphics Features - Shadows - May 23, 2024

Virtual Shadow Maps do not invalidate pages when HLODs replace meshes. This can lead to inconsistencies between the geometry and the shadows, which can cause artifacts as pages are invalidated. ...