update to desktop sessions on 11 May, 2018 causes jerky mouse action and inconsistent input. Applies to gnome and ubuntu sessions on wayland including gnome classic.

[Faron Anslow]

Todays updates:

2018-05-11 12:05:17 upgrade firefox:amd64 59.0.2+build1-0ubuntu1 60.0+build2-0ubuntu1
2018-05-11 12:05:26 upgrade firefox-locale-en:amd64 59.0.2+build1-0ubuntu1 60.0+build2-0ubuntu1
2018-05-11 12:05:27 upgrade ubuntu-session:amd64 3.28.1-0ubuntu2 3.28.1-0ubuntu3
2018-05-11 12:05:28 upgrade gnome-startup-applications:amd64 3.28.1-0ubuntu2 3.28.1-0ubuntu3
2018-05-11 12:05:28 upgrade gnome-session:amd64 3.28.1-0ubuntu2 3.28.1-0ubuntu3
2018-05-11 12:05:28 upgrade gnome-session-common:all 3.28.1-0ubuntu2 3.28.1-0ubuntu3
2018-05-11 12:05:29 upgrade gnome-session-bin:amd64 3.28.1-0ubuntu2 3.28.1-0ubuntu3
2018-05-11 12:05:29 upgrade gnome-session-wayland:all 3.28.1-0ubuntu2 3.28.1-0ubuntu3
2018-05-11 12:05:29 upgrade openjdk-8-jre:amd64 8u162-b12-1 8u171-b11-0ubuntu0.18.04.1
2018-05-11 12:05:30 upgrade openjdk-8-jre-headless:amd64 8u162-b12-1 8u171-b11-0ubuntu0.18.04.1

Have resulted in VERY poor mouse tracking and mouse freezes and overall poor performance of the desktop.

Ubuntu version: 18.04
Package versions are given above.
I expect the mouse to track smoothly across the screen
What's actually happening is jerky mouse tracking and overall UI stutter.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-session 3.28.1-0ubuntu3
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri May 11 17:33:56 2018
InstallationDate: Installed on 2016-11-19 (538 days ago)
InstallationMedia: Ubuntu-GNOME 16.10 "Yakkety Yak" - Release amd64 (20161012.1)
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-session
UpgradeStatus: Upgraded to bionic on 2018-04-27 (14 days ago)