* The `stable releases and backport team <http://tracker.ceph.com/projects/ceph-releases>`_
publishes ``point releases`` including fixes that have been backported to the stable release.
-In the timeline, the life time of a stable release series is
+In the timeline above, the life time of a stable release series is
calculated to be approximately 18 months (i.e., two 9 month release
cycles) after the month of the first release. For example, Luminous
(12.2.z) will reach end of life (EOL) shortly after Nautilus (14.2.0) is
Therefore,
* Upgrades are supported from Jewel -> Kraken -> Luminous and Jewel -> Luminous.
-* Upgrades beyond Luminous must stop at Luminous.
-* Jewel will be maintained until Mimic is released in the Spring of 2018.
+* Upgrades from Jewel or Kraken must upgrade to Luminous first before proceeding further (e.g., Kraken -> Luminous -> Mimic but not Kraken -> Mimic).
+* Jewel will be maintained until Mimic is released in the spring of 2018.
* Kraken is no longer maintained.