Garbage Collection Causes Lag in MAC Project

UE - Foundation - Core - Sep 18, 2015

User reports lag regardless of the Garbage Collection settings, EXCEPT: If the user changes settings to 3 then lag becomes more frequent (approximately every 3 seconds verses every 5 seconds.) *Wa ...

FBX export from UE4 with multiple materials the UV is corrupted

Tools - Apr 18, 2016

When exporting a Static Mesh from within UE4 that has multiple materials, some of the material IDs will be condensed into a single ID which will mess up how the material assignment for that part of ...

Importing manual LODs in the Static Mesh Editor on Linux will freeze the editor

UE - Platform - Linux - Oct 21, 2015

When importing a LOD manually in the Static Mesh Editor the editor will freeze indefinitely. ...

Build error when compiling a code project with the word "Engine" as the last word of the title

UE - Foundation - Cpp Tools - UnrealBuildTool - Mar 9, 2015

When naming a project ending with "Engine" whether there is a "_" or no space separating the name will result in a build error in VS. See attached image for error output. ...

Child Objects do not Copy to the Proper Position with Paste Here Option

Tools - Jan 13, 2016

If you copy a child object with a parent object, right click, and select edit, paste here, the child object will be offset from the parent object a significant distance away. ...

Undocked Windows with a hidden tab cannot be unhidden, moved, or docked any longer.

Tools - Dec 16, 2016

Any undocked windows that have their tab hidden cannot be unhidden and the window cannot be moved. This is problematic because one this is done even if you close the window and reopen it via the Win ...

Anim notify gets skipped when clips are placed next to each other

UE - Anim - Sequencer - Jan 12, 2017

If a sequence has two clips(of a same animation) placed next to each other, some of the anim notifies do not seem to be called. In 4.14, the middle notifies are skipped (e.g. notifyBegin/1st clip ...

Editor freezes when setting browser filepath for inserted element in project settings

UE - Platform - Mobile - Feb 7, 2017

May be similar issue as [Link Removed] but with slightly different repro steps. Not a regression as it occurs in 4.14.3 ...

Crash editing Landscape Splines with Level Sequence Open

Tools - Mar 6, 2017

A crash occurs when attempting to transform a landscape spline with a Level sequence open. It is important to note that no key framing or animating of the landscape spline control point is occurrin ...

Material Stats returning Incorrect Sampler and Instruction Counts

UE - Graphics Features - Mar 9, 2017

When creating and modifying a material, the base Texture Sampler count and instructions are returning incorrect values. In 4.14.3 whenever you create a new material the Texture Sampler count is 0/1 ...