Since June 2017, Qtum has seen 48 GitHub releases. Each release consists of multiple patches and updates, along with other new features. Qtum Core is currently version 25.1 in production, version 26.1 is in testing, and version 27.1 being developed.

Qtum Core 25.1 (Current Production):

https://t.co/gwsCqIkxi8

Qtum Core 26.1 (in testing): https://t.co/PoZJFEBuL6

Qtum Core 27.1 (In development):