Go 1.21: Release Candidate Available Now

2023/06/21

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The Go team has announced the first Release Candidate (RC) for Go 1.21, which is now available for download. This new version of Go is packed with new features and improvements, making it a great choice for developers who want to keep up with the latest trends in the industry.

One of the most notable changes in Go 1.21 is the Profile Guided Optimization (PGO) feature, which was announced in version 1.20 and is now generally available. This feature enables a PGO build if a file named "default.pgo" is present in the main package's directory. Developers can refer to the PGO documentation for more information.

In addition to the PGO feature, Go 1.21 also includes improvements to its tools, making it easier for developers to write clear, performant, and idiomatic Go code. The release notes provide a full list of changes and features, including bug fixes and performance enhancements.

For those who want to learn more about Go, the project's official blog is a great resource. It provides tips for writing clear and idiomatic Go code, as well as stories about how and why companies use Go. Developers can also attend local Go events to meet other Go developers and network with peers from around the world.

Overall, Go 1.21 is a great release for developers who want to keep up with the latest trends in the industry. With its new features and improvements, it's sure to be a valuable tool for building software with Go.