Library variable sets are a new feature that let you share settings between projects
The Octopus dashboard can now be customized to include only the projects/environments that you care about
Sensitive variables are a great way to securely manage passwords, API keys and connection strings that are needed for deployment
Tentacle can be configured to use polling mode, which polls the Octopus Server asking for jobs to do.
Octopus 2.0 can automatically create and update websites and application pools in IIS