In 2019, Payment Express (DPS) became Windcave. Read the Windcave rebranding announcement for more information.
This change has had next to no impact on the free Gravity Forms DPS PxPay add-on, because the old PxPay API endpoints still work. The hosted page branding has been updated, but otherwise there is no change required. A future version of this add-on will change its name to reflect the Windcave rebranding, and start using the new API endpoints.