What is new in ubuntu 15.10 (Wily Werewolf) Desktop
The general theme for 15.10 on the desktop is one of bug fixes and incremental quality improvements as well as a more significant change in the move to systemd as an init system.
Unity has had many bugs fixed and new features added. Locally integrated menus are now available for unfocussed windows. There have been a number of usability improvements to the dash.
Various fixes and improvements.
Refined integration with the MATE desktop.
Firefox is updated to version 41 and Chromium is updated to version 45.
MATE is updated to 1.10.
Most of the GNOME platform is now based on version 3.16.
Blueman 2.0 is now included and used by several flavours along with BlueZ 5.35.
Support for the new Steam Controller -- Just install Steam from the Software Center and then pair the controller in Big Picture mode.
LibreOffice 5.0.2 brings a lot of improvements to entire package.
What is new in ubuntu 15.10 (Wily Werewolf) Server
Ubuntu 15.10 includes the latest OpenStack release, Liberty, including the following components:
OpenStack Identity -- Keystone
OpenStack Imaging -- Glance
OpenStack Block Storage -- Cinder
OpenStack Networking -- Neutron
OpenStack Telemetry -- Ceilometer and Aodh
OpenStack Orchestration -- Heat
OpenStack Dashboard -- Horizon
OpenStack Object Storage -- Swift
OpenStack Database as a Service -- Trove
OpenStack DNS -- Designate
OpenStack Bare-metal -- Ironic
OpenStack Filesystem -- Manila
OpenStack Key Manager -- Barbican
Ubuntu 15.10 provides Swift 2.5.0 including experimental support for erasure coded storage.
Juju, the service orchestration tool for Ubuntu, has been updated to the latest current stable release, 1.24.6.
Libvirt has been updated to the 1.2.16 release.
Qemu has been updated to the 2.3 release.
Open vSwitch 2.4.0
Ubuntu 15.10 includes the latest release of Open vSwitch, 2.4.0.
Ubuntu 15.10 also includes an experimental preview of Open vSwitch integrated with DPDK (Data Plane Development Kit) enabling fast packet processing through userspace usage of compatible networking cards.
Ubuntu 15.10 includes the latests stable release of Ceph, 0.94.3 ‘Hammer'.
Linux kernel 4.2
Linux 4.2 is another exciting update with the following highlights:
New AMDGPU kernel driver for supporting recent and near-term Radeon GPUs
Intel Broxton support
F2FS file-system encryption support
A new kernel for the Raspberry Pi 2 has also landed in the official archive.