operatingSystem

The operating system of the fleet's computing resources. A fleet's operating system is determined by the OS of the build or script that is deployed on this fleet. This attribute is used with fleets where ComputeType is EC2.

Amazon Linux 2 (AL2) will reach end of support on 6/30/2025. See more details in the Amazon Linux 2 FAQs. For game servers that are hosted on AL2 and use server SDK version 4.x for Amazon GameLift Servers, first update the game server build to server SDK 5.x, and then deploy to AL2023 instances. See Migrate to server SDK version 5.