5.1 in October-November 2019. It will include Hades Extreme, the first raid from YoRHa: Dark Apocalypse, and the beginning of Ishgard Restoration. The next Ultimate fight will be released several weeks later.

Patch 5.2 will come out January-February 2020. It will include the second tier of savage raids, and begin this expansion's trials series.

Patch 5.3 will come out May-June 2020. It will include the next part of YoRHa: Dark Apocalypse, and an MSQ-related trial. A new Ultimate fight will be released several weeks later.

Patch 5.4 will come out September-October 2020. It will include the final raid tier, and another trial in this expansions' unique trials series.

Patch 5.5 will come out January-February 2021. It will bring the final installment of YoRHa: Dark Apocalypse, and the final trial of the expansion. It may or may not include a third Ultimate fight; we know they've been thinking about doing a third for Shadowbringers.

Patch 5.56 will release in March-April 2021, and will conclude MSQ before the next expansion.

6.0 will release in June-July 2021.