5.6.0 is an important milestone and should be treated as the ‘Upgrade Release’. If you want to perform a rolling restart from 5.x to 6.x, you will need 5.6.
Elastic Stack 6.0.0-beta2リリース
6.0.0-beta2 is available today! Before you get too excited, keep in mind that this is still a beta so don’t put it into production.
Elastic Stack 6.0.0-beta1リリース
6.0.0-beta1 is available today! Before you get too excited, keep in mind that this is still a beta so don’t put it into production.