upgrades
n. countable B1 Intermediate US //ˈəpˌɡɹeɪdz// up·grades
n. better versions of something you already have, like a newer phone or a nicer seat on a plane.
n. improvements or updates to an existing system, device, or service that provide better performance or higher quality.
The airline offered us free upgrades to business class.
After the recent software upgrades, the office computers are running much faster and have fewer security issues.
The city council approved several infrastructure upgrades, including the installation of high-speed fiber optic cables and the modernization of the aging water treatment facility.
Usage
Often used in the plural when referring to a series of improvements or a general process of modernization.