Ansible Engine 2.7.0 was released on October 3rd 2018. It features improved stability, speed and performance.
Changes to support newer versions of Python:
Support for running Ansible Engine with Python 2.6 has been removed. Management of systems with Python 2.6 installed is still possible, though the system Ansible Engine is running from must have Python 2.7 or Python 3.5 or later.
Ansible Engine 2.7 changes the strategy for running modules remotely so that invoking a module only needs to invoke python once per module on the remote machine instead of twice. This means an entire thread has been eliminated from module executions thus speeding up Ansible tasks.
Ansible Engine 2.7 now features a reboot module to reboot a machine and respond to commands once the machine comes back up.
Ansible Engine 2.7 released a new functionality to help run playbooks in connectivity-challenged environments. The ignore_unreachable module has been added to allow for skipping tasks on hosts that are unreachable, instead of aborting the play altogether.
In total, there are 157 changes in Ansible Engine 2.7. Details for these changes can be found in the changelog.