_content/blog: add 14years post
Happy birthday Go!
Change-Id: I5c36bdbcd47af86d52e7efdd544aa31d5e4e0311
Reviewed-on: https://go-review.googlesource.com/c/website/+/541055
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
Reviewed-by: Michael Stapelberg <stapelberg@google.com>
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+---
+title: Fourteen Years of Go
+date: 2023-11-10
+by:
+- Russ Cox, for the Go team
+summary: Happy Birthday, Go!
+---
+
+<img src="/doc/gopher/gopherdrink.png" height="219" width="223" align="right" style="margin: 0 0 1em 1em;">
+
+Today we celebrate the fourteenth birthday of the Go open source release!
+Go has had a great year, with two feature-filled releases and other important milestones.
+
+We released [Go 1.20 in February](/blog/go1.20)
+and [Go 1.21 in August](/blog/go1.21),
+focusing more on implementation improvements
+than new language changes.
+
+Profile-guided optimization (PGO),
+[previewed in Go 1.20](/blog/pgo-preview)
+and
+[released in Go 1.21](/blog/pgo),
+allows the Go compiler to read a profile of your program
+and then spend more time optimizing the parts
+of your program that run most often.
+In Go 1.21, workloads typically get between
+2% and 7% CPU usage improvements from enabling PGO.
+See “[Profile-guided optimization in Go 1.21](/blog/pgo)” for an overview
+and the [profile-guided optimization user guide](https://go.dev/doc/pgo)
+for complete documentation.
+
+Go has provided support for gathering coverage profiles during `go test`
+[since Go 1.2](/blog/cover).
+Go 1.20 added support for gathering coverage profiles in binaries
+built by `go build`,
+allowing you to gather coverage during larger integration tests as well.
+See “[Code coverage for Go integration tests](/blog/integration-test-coverage)” for details.
+
+Compatibility has been an important part of Go since
+“[Go 1 and the Future of Go Programs](/doc/go1compat)”.
+Go 1.21 improved compatibility further
+by expanding the conventions for use of GODEBUG
+in situations where we need to make a change,
+such as an important bug fix,
+that must be permitted but may still break existing programs.
+See the blog post
+“[Backward Compatibility, Go 1.21, and Go 2](/blog/compat)”
+for an overview and
+the documentation
+“[Go, Backwards Compatibility, and GODEBUG](/doc/godebug)” for details.
+
+Go 1.21 also shipped support for built-in toolchain management,
+allowing you to change which version of the
+Go toolchain you use in a specific module
+as easily as you change the versions of other dependencies.
+See the blog post
+“[Forward Compatibility and Toolchain Management in Go 1.21](/blog/toolchain)”
+for an overview and the documentation
+“[Go Toolchains](/doc/toolchain)”
+for details.
+
+Another important tooling achievement was the
+integration of on-disk indexes into
+gopls, the Go LSP server.
+This cut gopls's startup latency and memory usage by 3-5X
+in typical use cases.
+“[Scaling gopls for the growing Go ecosystem](/blog/gopls-scalability)”
+explains the technical details.
+You can make sure you're running the latest gopls by running:
+
+```
+go install golang.org/x/tools/gopls@latest
+```
+
+Go 1.21 introduced new
+[cmp](/pkg/cmp/),
+[maps](/pkg/maps/),
+and
+[slices](/pkg/slices/)
+packages — Go’s first generic standard libraries —
+as well as expanding the set of comparable types.
+For details about that, see the blog post
+“[All your comparable types](/blog/comparable)”.
+
+Overall, we continue to refine generics
+and to write talks and blog posts explaining
+important details.
+Two notable posts this year were
+“[Deconstructing Type Parameters](/blog/deconstructing-type-parameters)”,
+and
+“[Everything You Always Wanted to Know About Type Inference – And a Little Bit More](/blog/type-inference)”.
+
+Another important new package in Go 1.21 is
+[log/slog](/pkg/log/slog/),
+which adds an official API for
+structured logging to the standard library.
+See “[Structured logging with slog](/blog/slog)” for an overview.
+
+For the WebAssembly (Wasm) port, Go 1.21 shipped support
+for running on WebAssembly System Interface (WASI) preview 1.
+WASI preview 1 is a new “operating system” interface for Wasm
+that is supported by most server-side Wasm environments.
+See “[WASI support in Go](/blog/wasi)” for a walkthrough.
+
+On the security side, we are continuing to make sure
+Go leads the way in helping developers understand their
+dependencies and vulnerabilities,
+with [Govulncheck 1.0 launching in July](/blog/govulncheck).
+If you use VS Code, you can run govulncheck directly in your
+editor using the Go extension:
+see [this tutorial](https://go.dev/doc/tutorial/govulncheck-ide) to get started.
+And if you use GitHub, you can run govulncheck as part of
+your CI/CD, with the
+[GitHub Action for govulncheck](https://github.com/marketplace/actions/golang-govulncheck-action).
+For more about checking your dependencies for vulnerability problems,
+see this year's Google I/O talk,
+“[Build more secure apps with Go and Google](https://www.youtube.com/watch?v=HSt6FhsPT8c&ab_channel=TheGoProgrammingLanguage)”.)
+
+Another important security milestone was
+Go 1.21's highly reproducible toolchain builds.
+See “[Perfectly Reproducible, Verified Go Toolchains](/blog/rebuild)” for details,
+including a demonstration of reproducing an Ubuntu Linux Go toolchain
+on a Mac without using any Linux tools at all.
+
+It has been a busy year!
+
+In Go's 15th year, we'll keep working to make Go the best environment
+for software engineering at scale.
+One change we're particularly excited about is
+redefining for loop `:=` semantics to remove the
+potential for accidental aliasing bugs.
+See “[Fixing For Loops in Go 1.22](/blog/loopvar-preview)”
+for details,
+including instructions for previewing this change in Go 1.21.
+
+## Thank You!
+
+The Go project has always been far more than just us on the Go team at Google.
+Thank you to all our contributors and everyone in the Go community for
+making Go what it is today.
+We wish you all the best in the year ahead.
+
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