Backward Compatibility, Go 1.21, and Go 2

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<h1 class="small"><a href="/blog/">The Go Blog</a></h1>


<h1>Backward Compatibility, Go 1.21, and Go 2</h1>
  
  <p class="author">
  Russ Cox<br>
  14 August 2023
  </p>
  
  <p>Go 1.21 includes new features to improve compatibility.

Before you stop reading, I know that sounds boring.
But boring can be good.
Back in the early days of Go 1,
Go was exciting and full of surprises.
Each week we cut a new snapshot release
and everyone got to roll the dice
to see what we’d changed
and how their programs would break.
We released Go 1 and its compatibility promise
to remove the excitement,
so that new releases of Go would be boring.

Boring is good. Boring is stable. Boring means being able to focus on your work, not on what’s different about Go. This post is about the important work we shipped in Go 1.21 to keep Go boring.

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Get the full details here: Backward Compatibility, Go 1.21, and Go 2 - The Go Programming Language