Missing DirectX redist on clean machine

UE - Foundation - Core - Apr 10, 2017

Running a packaged UE4 game with app-local dependencies on a clean Windows machine will fail due to missing XInput DLLs. These components are not distributed with Windows by default any more. We sho ...

Mover MoveDirectionIntent can be 0 due to interpolation

UE - Gameplay - Player Movement - Apr 22, 2025

If two states have MoveDirectionIntent vectors that are opposite to each other, interpolating between these states can result in MoveDirectionIntent being 0. This may cause issues for animation blue ...

Some developers reporting incorrect Preview in VR resolution for Steam VR

UE - Platform - XR - Aug 18, 2020

VR Preview Window is the wrong resolution, just showing the top left portion of the entire view. Somewhat similar symptoms to -[Link Removed]-, not exactly the same though.   This issue has not be ...

PIE after the Game Instance's parent has a wire disconnected, compiled, then reconnected crashes this project

UE - Gameplay - Blueprint - Sep 18, 2015

This user's project crashes on PIE after the Game Instance's parent has a wire disconnected, compiled, then reconnected. Possibly related to [Link Removed], but the call stack is slightly different. ...

Can no longer create a new montage branch point in the CharacterAnimBP

OLD - Anim - Dec 22, 2014

There is no longer an option to create a new montage branch point by right clicking in the CharacterAnimBP. ...

Vignette in stereoscopic looks incorrect, entire frame as opposed to each eye

UE - Platform - XR - Apr 6, 2016

Vignette seems to be being applied to the entire frame instead of each eye in stereoscopic, creating a really strange effect in your peripherals when viewed through a HMD. Can also see this effect i ...

"ERR: Transient text cannot be serialized" after converting to 4.8

UE - Foundation - Core - Jul 3, 2015

"ERR: Transient text cannot be serialized" after converting to 4.8. Many users are seeing them in the logs. Example Project: [Link Removed] ...

Inconsistent behavior with Owen's trench coat

UE - Simulation - Physics - Character - Jan 25, 2017

In the Cloth level in Content Examples, there is some inconsistent behavior with Owen's trench coat. The coat tails appear heavy (they don't trail behind the character's movement), and the straps a ...