Unreal Engine Issues
Unreal Engine Issues
Popping Ribbon UVs
UE - Niagara - Mar 10, 2025Please see the Additional Link for related UDN information. The UV popping described can be subtle, depending on settings; it's affected by spawn rate and GPU vs CPU. The popping shown in the gif t ...
Editor primitives render incorrectly in stereoscopic with instanced stereo
UE - Platform - XR - Aug 17, 2016Trigger box icons move around when oculus head movement is used. Found in //UE4/Release-Staging-4.13 @ 3090357 QA-Promotion map Edit: 08-22: This affects volumes as well as their editor icons, upd ...
Using Blend Physics Weight causes skeletal mesh to spin at high speed
OLD - Anim - Mar 5, 2015When Phyics Blend in the PHAT editor is set between 0 and 1, the user character will spin wildly. User has image of this affecting character in game whereas I was only able to replicate it in the PH ...
Using FEditorModeID for the "Mode" console command does not switch the modes tab
Tools - May 10, 2016Using the FEditorModeID for the different editor modes does not affect actual modes available in editor Modes tab. Example: Command "Mode EM_Foliage" does not switch to the foliage mode Workaround ...
Impure Cast Nodes Can be Converted to Pure While the Blueprint Graph is Read-Only
UE - Gameplay - Blueprint - Dec 1, 2016Cast nodes can be converted to pure while the blueprint graph is in read-only mode, such as when you are debugging the blueprint. Found in 4.14.0 CL# 3195953. Reproduced in 4.13.2 CL# 3172292 and 4 ...
Child Actor component is duplicated in Standalone Game
UE - Gameplay - Jan 12, 2017Child Actor component is duplicated in Standalone Game. No other play modes or packaged game are affected. The additional actor will disappear after 1 minute. *This is a regression: Doesn't occur ...
Eye Adaptation post process volumes make the viewport extremely bright
UE - Graphics Features - Jan 3, 2017In 4.14 when entering the volume the screen brightens which is expected. The problem is that in 4.15 it brightens more. So much so that some static meshes are rendered almost completely white. I ...
Nullptr Ensure and crash after HotReloading
UE - Foundation - Core - Jan 26, 2017Following my repro, I hit an ensure and crash. The two times I tried to repro after my first crash resulted in different call stacks. I'll comment the other Jiras once I have them in. One of my cra ...
Cursor breaks viewport when using Widget Render Transform Scale
UE - Editor - UI Systems - Mar 14, 2017The viewport cursor will continue to display off of the actual viewport until the widget ends if the border component actually extends. This has not been tested with any other template. Regression ...
Packaging Fails in a C++ Project with a Project Name Containing an Apostrophe
UE - Foundation - Core - Mar 16, 2017Packaging fails in a C++ project when the Project Name field (Project Settings->Description->Project Name) contains an apostrophe. I've attached the logs from the 4.15 version of the project. Thi ...