Unreal Engine Issues

Popping Ribbon UVs

Please 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 ...

The ConvertToDeviceZ in common.usf seems wrong

Display Blueprint Added Components on subobjects with meta = (ShowInnerProperties)

Right now only native subobjects are displayed in the details panel with meta = (ShowInnerProperties) is set. Child Actor Components are an example of this, where if the child actor you have added h ...

Macro Libraries do not update after rename

Macro Libraries can only be called by their original name, even after being renamed to something different. ...

MAC: Very slow texture compression times in Editor

There have been a number of complaints about the time it takes to build projects on the Mac - the consistent theme as in the additional URL - is that the editor is thrashing compressing textures. It ...

A custom Blueprint node created using a code class derived from EdGraphNode can no longer be found in the event graph to be used.

Custom Blueprint nodes no longer appear in the event graph. This was working in 4.5.1, but no longer works in 4.6 and Main. Previously working: CL 2336109 No longer working: CL 2374938 CL 2375748 ...

Gear VR media texture split when looking opposite direction

When using a media texture asset the video will run fine when playing in the the headset, but if you look the opposite direction the image fills the screen and splits in half. This is reproducible ...

[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer

This is a semi-common Linux crash coming out of 4.17.1. It is spread among a few different similar callstack affecting a handful of users. [Link Removed] [Link Removed] [Link Removed] [Link Removed ...

Editor crashes when building a level containing landscape if Preview Rendering settings are set to Default High End Mobile.

Editor crashes when building a level containing landscape if Preview Rendering settings are set to Default High End Mobile. This is a regression. This is working on 4.16 3-3561208 This is not wor ...

Function boolean return nodes often set to true will default to false once saved project is closed/reopened

The new function output booleans within blueprint class actors are not saving intended true/false entries. This issue is a regression. Works in: 4.16.3-3561208 Does not work in: 4.17.1-3586342 and ...