Table of Contents

Introduction

These release notes for Ubuntu 16.10 (Yakkety Yak) provide an overview of the release and document the known issues with Ubuntu 16.10 and its flavors.

Support lifespan

Ubuntu 16.10 will be supported for 9 months until July 2017. If you need Long Term Support, it is recommended you use Ubuntu 16.04 LTS instead.

Official flavour release notes

Find the links to release notes for official flavors here.


Get Ubuntu 16.10

Download Ubuntu 16.10

Images can be downloaded from a location near you.

You can download ISOs and flashable images from from:

http://releases.ubuntu.com/16.10/ (Ubuntu Desktop and Server)
http://cdimage.ubuntu.com/ubuntu/releases/16.10/ (Less Popular Ubuntu Images)
http://cloud-images.ubuntu.com/releases/16.10/ (Ubuntu Cloud Server)
http://cdimage.ubuntu.com/netboot/16.10/ (Ubuntu Netboot)
http://cdimage.ubuntu.com/kubuntu/releases/16.10/ (Kubuntu)
http://cdimage.ubuntu.com/lubuntu/releases/16.10/ (Lubuntu)
http://cdimage.ubuntu.com/ubuntustudio/releases/16.10/ (Ubuntu Studio)
http://cdimage.ubuntu.com/ubuntu-gnome/releases/16.10/ (Ubuntu GNOME)
http://cdimage.ubuntu.com/ubuntukylin/releases/16.10/ (Ubuntu Kylin)
http://cdimage.ubuntu.com/ubuntu-mate/releases/16.10/ (Ubuntu MATE)
http://cdimage.ubuntu.com/xubuntu/releases/16.10/ (Xubuntu)

Upgrading from Ubuntu 16.04 LTS

To upgrade on a desktop system:

To upgrade on a server system:

Note that the server upgrade will use GNU screen and automatically re-attach in case of dropped connection problems.

There are no offline upgrade options for Ubuntu Desktop and Ubuntu Server. Please ensure you have network connectivity to one of the official mirrors or to a locally accessible mirror and follow the instructions above.


New features in 16.10

Updated Packages

Linux kernel 4.8

Ubuntu 16.10 is based on the Linux release series 4.8.

gpg

Ubuntu Desktop

Ubuntu Server

OpenStack Newton

Ubuntu 16.10 includes the latest OpenStack release, Newton, including the following components:

Please refer to the OpenStack Newton release notes for full details of this release of OpenStack.

OpenStack Newton is also provided via the Ubuntu Cloud Archive for OpenStack Newton for Ubuntu 16.04 LTS users.

WARNING: Upgrading an OpenStack deployment is a non-trivial process and care should be taken to plan and test upgrade procedures which will be specific to each OpenStack deployment.

Make sure you read the OpenStack Charm Release Notes for more information about how to deploy Ubuntu OpenStack using Juju.

qemu 2.6.1

Qemu has been updated to the 2.6.1 release.

See the Changelog for details. This already includes a stable releases, more about that can be found at 2.6.1 stable release.

Additionally this includes a backport to enable GPU Passthru for ppc64le.

DPDK 16.07

Ubuntu 16.10 includes the latest release of DPDK, 16.07.

See the Release Notes for details.

Noteworthy for DPDK application developers is that upstream deprecated the old mechanism of a combined shared library. libdpdk.so is now a linker script referring to the - individually packaged - sub-libraries librte-*. Furthermore the DPDK related kernel modules are now provided as dkms based packages.

libvirt 2.1

Libvirt has been updated to version 2.1. See the Changelogs for details.

In order to reduce the Debian delta, the main libvirt service has been renamed to libvirtd.service. libvirt-bin.service becomes an alias to maintain backwards compatibility.

Open vSwitch

Open vSwitch has been updated to the latest release, 2.6.

See the Open vSwitch News for mroe details.

The enablement of openvswitch-switch-dpdk has changed upstream. So if you are upgrading from a previously dpdk enabled configuration then you will need to update your enablement appropriately. See associated Readme at /usr/share/doc/openvswitch-switch-dpdk/README.Debian for details.

LXD 2.4.1

Ubuntu 16.10 ships with LXD 2.4.1. The main highlights for this new version of LXD are:

A full changelog can be found at: https://linuxcontainers.org/lxd/news/

LXD 2.4.1 can also be tried online at: https://linuxcontainers.org/lxd/try-it/

cloud-init

All of cloud-init's recent development has been brought back to 16.04, so you've probably already used it in production! Some recent improvements include:

docker 1.12.1

The docker.io package has been updated to version 1.12.1. See the associated upstream release notes: https://github.com/docker/docker/releases/tag/v1.12.1

Ubuntu on IBM LinuxONE and z Systems

There are many improvements specific to the IBM mainframe s390x architecture, in addition to all of the above mentioned features:

And many other general bugfixes and improvements.

Known issues

As is to be expected, with any release, there are some significant known bugs that users may run into with this release of Ubuntu 16.10. The ones we know about at this point (and some of the workarounds), are documented here so you don't need to spend time reporting these bugs again:

Boot, installation and post-install

PowerPC

GCC

AppArmor

... apparmor="DENIED" operation="file_mmap" ... profile="/usr/sbin/tcpdump" name="/usr/sbin/tcpdump" ... requested_mask="m" denied_mask="m" ...

Desktop


Official flavours

The release notes for the official flavours can be found at the following links:


More information

Reporting bugs

Your comments, bug reports, patches and suggestions will help fix bugs and improve the quality of future releases. Please report bugs using the tools provided.

If you want to help out with bugs, the Bug Squad is always looking for help.

Participate in Ubuntu

If you would like to help shape Ubuntu, take a look at the list of ways you can participate at

More about Ubuntu

You can find out more about Ubuntu on the Ubuntu website and Ubuntu wiki.

To sign up for future Ubuntu development announcements, please subscribe to Ubuntu's development announcement list at:

YakketyYak/ReleaseNotes (last edited 2016-11-07 17:20:19 by gaughen)