Unreal Engine Issues
Unreal Engine Issues
Collision for bsp stays in level after bsp is deleted
UE - LD & Modeling - Modeling Tools - BSP - Jun 30, 2015If a bsp brush is deleted from a level, the level has geometry built, and the user presses play then uses the "show collision" console command, the collision for the bsp wlil still appear. This does ...
Blender FBXs import wrong number of bones which causes issues with Apex Cloth files
Tools - Jan 6, 2016First of all, I'm not sure this is an issue with UE4, but I'm not familiar with Blender to rule this out. A user has reported an issue when importing a Rigged mesh from Blender it will add an addi ...
Cast modulated shadows causes black screen on iOS with non-default FOV
UE - Platform - Mobile - Oct 14, 2015Using a FOV other than 90 with Cast Modulated Shadows seems to cause a black screen and weird FOV issues on an iOS device, in 4.9.2. If the camera has FOV=90, it works fine on the iOS device. If th ...
Imported Substance materials behave incorrectly when applying UV rotation
TM - Tools - May 14, 2026Reported in SF [Link Removed] and on the forums at https://forums.unrealengine.com/t/substance-3d-materials-not-reflecting-light-properly/2718611 UV rotation behavior is incorrect for Substance mat ...
Grainy Material on Gun in FPS Template
UE - Graphics Features - Oct 14, 2016Load up a FPS template and move around. It appears the gun becomes grainy. This was tested on an NVIDIA Geforce GTX 980 Version 373.06 and a Quadro M4000. Also tested on a AMD Radeon R9 290 @ Rade ...
(New) Capsule does not change in viewport to reflect new values entered in details Panel
UE - Gameplay - Player Movement - Sep 3, 2015Adding values in the details panel to a new Capsule Collision Component will not affect the Capsule in the CharacterBlueprint Viewport. *This only effects a new Capsule Collision added to a charact ...
Blueprint's location reset to 0, 0, 0 after being detached in a network environment
UE - Networking - Apr 24, 2017Attaching / Detaching a blueprint actor to a player in a network environment causes location errors when the detach occurs. Even without the attach events being replicated or the blueprint's movemen ...
Foliage instances are not included when exporting a scene to FBX
UE - World Creation - Worldbuilding Tools - Foliage - Aug 4, 2016When exporting Foliage instances to FBX the FBX will not contain any of the foliage instances, but will include any other static or movable geometry. This is a regression. This worked in 4.11.2 but ...
Interface functions called as events in Blueprints that implement the interface cannot be set to replicate
UE - Gameplay - Blueprint - Jun 11, 2015Interface functions called as events in Blueprints that implement the interface cannot be set to replicate. When the event node is clicked, the Details panel is empty. Reproduced in 4.7.6, 4.8, and ...
UMG Designer preview: Incorrect resolution on Samsung s8 and s9
UE - Editor - UI Systems - Jul 30, 2018"By default, the device profile for android_high (which is used by phones such as the galaxy s8 and s9) gives a scale factor of 1.0 resulting in 1280x720. When choosing a ~2:1 device such as the gal ...