Each patch's version number charts its position in the game's history. Currently, the first part of the number is changed for each major release ( or ). From to the second part was changed with each patch, reseting to 0 at the start of each new release, but has seen the second digit increased more erratically. The third digit was unused until Whispers of the Old Gods, but seems to reflect smaller progressions. The remaining digits are increased at a more erratic pace, likely reflecting revisions to in-house builds not released to the public. These digits do not increase the first three parts of the version number, and are essentially superfluous. Colloquially, patches are often referred to by the first two sections, such as "Patch 3.2". Note that these rules are not always followed; some patches fail to increase numbers, or increase numbers without including appropriate changes.. This page lists all Hearthstone patches to date. Patch 22.214.171.12470 - 18th September 2017 A medium patch, containing various balance changes.. Hearthstone staples Innervate, Fiery War Axe and Hex are amongst a small selection of cards getting nerfed in up-and-coming patch 9.1. Blizzard announced .