The new version of Bluefish 2.2.7 is now available. If you are running Ubuntu 14.04, Ubuntu 14.10 and Ubuntu 15.04, you can install Bluefish 2.2.7 using the following steps.
Steps to install Bluefish 2.2.7 on Ubuntu
To install Bluefish on Ubuntu, simply execute the following commands on Terminal
sudo add-apt-repository ppa:klaus-vormweg/ppa
sudo apt-get update
sudo apt-get install bluefish