Storm 2.6.0.2 -

Storm 2.6.0 (the base) introduced several improvements, all retained in 2.6.0.2:

wget https://downloads.apache.org/storm/apache-storm-2.6.0.2/apache-storm-2.6.0.2.tar.gz
tar -xzf apache-storm-2.6.0.2.tar.gz -C /opt/storm/

Organizations still running older versions (like 1.x or early 2.x) are strongly encouraged to move to the 2.6.0.x series for three reasons: storm 2.6.0.2