- OpenStack Icehouse - the latest version of OpenStack
- Ceph .78 - Emperor!
- Juju is ready now for production usage, with some goodies here:
- New bundles with quickstart, allowing you to deploy entire workloads in one command. So for example you can do `juju quickstart bundle:mongodb/cluster`, toss in your cloud details, and get a 13 node cluster up and running in about 10 minutes. We also have an entire starter Hadoop Cluster and out of the box deployments for Rails and Django (With node.js on the way).
- Manual provider for Juju, allowing you to deploy what are usually cloud workloads onto any machine with Ubuntu and ssh ... so ... all those fancy deploy commands can fire off to Digital Ocean, Linode, or whatever you have laying around.
- New cloud providers - we now publish regular cloud images in AWS, Azure, HP Cloud, and new this cycle is Joyent.
- Newer MAAS (I don't have the changelog handy)
- Vagrant images - We now publish regular vagrant boxes as part of our release process. We also have a Vagrant box that includes Juju with an LXC provider so you can run a simulated deployment of your servers on your Mac/Windows machines.
- LXC 1.0 for container using folks.
- Speaking of containers, a pretty up to date Docker version this is some work that Paul Tagliamonte is doing in Debian and Ubuntu.
- nginx in main, thanks to the hard work of Thomas Ward. He's maintaining a pretty useful PPA backporting nginx packages for older releases.
- The usual goodies, so version bumps in the kernel, kvm, libvirt, puppet,
If I missed an area let me know!
If you scroll down, there are nice tables that describe various upgrades to default and otherwise important packages.
You can browse the complete list for every supported release. Or, you can search for a particular package and set the distribution to "any" to see the latest version available in each release.
Debian has always been my favorite, and currently we use Ubuntu on servers as the OS-packages-as-shipped are more up-to-date; which turns out to be quite important in web-dev-land.
Frankly I dont know what CentOS/Redhat does better then Ubuntu nowadays, apart from selling enterprise stuff like JBoss :)
Ubuntu has great Long Term Support - which is exactly what this is about and the apt package management is far superior to Yum (IMO at least) - Plenty of high profile companies use Ubuntu for servers.