[Landscape] weightmap layer allocations leak into left/top/top-left neighbor components

UE - Graphics Tools - Terrain - Landscape - Oct 13, 2026

In 5.8, weightmap layer allocations of a landscape component leak into its left, top and top-left neighbor components when Edit Layers are merged. Neighbors end up with layers that were never painte ...

ios launch fail after upgrading to 4.7.1, provision not found, signing key not found

UE - Platform - Mobile - Mar 2, 2015

Customers that have never or have created an incorrect bundle identifier will fail to package for iphone. People who have wildcard provisions will work. ...

Enable Collision checkbox does not affect static meshes from static mesh editor when set to false

Tools - Nov 24, 2015

Setting the Enable Collision checkbox to false in the static mesh editor does not alter collision on static mesh objects. ...

UE5.4 Preview 1 produces rendering artifacts on Landscape with World Position Offset

UE - Graphics Tools - Terrain - Landscape - Mar 28, 2024

A material on a landscape with WPO will cause major ghosting, even if that WPO is a dynamic {0,0,0} ,such as from a black texture. ...

FPS drop when deploying to a Mobile device

UE - Platform - Mobile - Feb 27, 2015

The FPS drop off of this users project is significant between version of UE4. I tested this issue on a Samsung Galaxy Note 10.1 2014 edition. I also tested on a iPad air 2 on 8.1. There was a sig ...

Black screen caused by depth of field on several mobile devices

UE - Platform - Mobile - Apr 24, 2017

DOF does not display correctly(screen turns black) on several mobile devices. I could repro the issue on:Samsung GALAXY S7, Android 6.0.1Xperia X Performance (F8132), Android 6.0.1 ...