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Go lang

https://go.dev/ ↗

Go is a high-level, general-purpose programming language that is statically typed and compiled. It is known for the simplicity of its syntax and the efficiency of development that it enables through the inclusion of a large standard library supplying many needs for common projects.

Update Apr 8, 2019 tracked by Updatify

go1.12.3 (released 2019-04-08)

go1.12.3 (released 2019-04-08) was accidentally released without its intended fix. It is identical to go1.12.2, except for its version number. The intended fix is in go1.12.4.

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Update Apr 8, 2019 tracked by Updatify

go1.11.8 (released 2019-04-08)

go1.11.8 (released 2019-04-08) was accidentally released without its intended fix. It is identical to go1.11.7, except for its version number. The intended fix is in go1.11.9.

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Update Feb 25, 2019 tracked by Updatify

go1.12 (released 2019-02-25)

Introduction to Go 1.12

The latest Go release, version 1.12, arrives six months after Go 1.11. Most of its changes are in the implementation of the toolchain, runtime, and libraries. As always, the release maintains the Go 1 promise of compatibility. We expect almost all Go programs to continue to compile and run as before.

Changes to the language

There are no changes to the language specification.

Ports

The race detector is now supported on linux/arm64.

Go 1.12 is the last release that is supported on FreeBSD 10.x, which has already reached end-of-life. Go 1.13 will require FreeBSD 11.2+ or FreeBSD 12.0+. FreeBSD 12.0+ requires a kernel with the COMPAT_FREEBSD11 option set (this is the default).

cgo is now supported on linux/ppc64.

hurd is now a recognized value for GOOS, reserved for the GNU/Hurd system for use with gccgo.

Windows

Go’s new windows/arm port supports running Go on Windows 10 IoT Core on 32-bit ARM chips such as the Raspberry Pi 3.

AIX

Go now supports AIX 7.2 and later on POWER8 architectures ( aix/ppc64). External linking, cgo, pprof and the race detector aren’t yet supported.

Darwin

Go 1.12 is the last release that will run on macOS 10.10 Yosemite. Go 1.13 will require macOS 10.11 El Capitan or later.

libSystem is now used when making syscalls on Darwin,

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Update Dec 14, 2018 tracked by Updatify

go1.11.4 (released 2018-12-14)

go1.11.4 (released 2018-12-14) includes fixes to cgo, the compiler, linker, runtime, documentation, go command, and the go/types and net/http packages. It includes a fix to a bug introduced in Go 1.11.3 that broke go get for import path patterns containing “ ... “. See the Go 1.11.4 milestone on our issue tracker for details.

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Update Aug 24, 2018 tracked by Updatify

go1.11 (released 2018-08-24)

Introduction to Go 1.11

The latest Go release, version 1.11, arrives six months after Go 1.10. Most of its changes are in the implementation of the toolchain, runtime, and libraries. As always, the release maintains the Go 1 promise of compatibility. We expect almost all Go programs to continue to compile and run as before.

Changes to the language

There are no changes to the language specification.

Ports

As announced in the Go 1.10 release notes, Go 1.11 now requires OpenBSD 6.2 or later, macOS 10.10 Yosemite or later, or Windows 7 or later; support for previous versions of these operating systems has been removed.

Go 1.11 supports the upcoming OpenBSD 6.4 release. Due to changes in the OpenBSD kernel, older versions of Go will not work on OpenBSD 6.4.

There are known issues with NetBSD on i386 hardware.

The race detector is now supported on linux/ppc64le and, to a lesser extent, on netbsd/amd64. The NetBSD race detector support has known issues.

The memory sanitizer ( -msan) is now supported on linux/arm64.

The build modes c-shared and c-archive are now supported on freebsd/amd64.

On 64-bit MIPS systems, the new environment variable settings GOMIPS64=hardfloat (the default) and GOMIPS64=softfloat select whether to use

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Update Feb 16, 2018 tracked by Updatify

go1.10 (released 2018-02-16)

Introduction to Go 1.10

The latest Go release, version 1.10, arrives six months after Go 1.9. Most of its changes are in the implementation of the toolchain, runtime, and libraries. As always, the release maintains the Go 1 promise of compatibility. We expect almost all Go programs to continue to compile and run as before.

This release improves caching of built packages, adds caching of successful test results, runs vet automatically during tests, and permits passing string values directly between Go and C using cgo. A new hard-coded set of safe compiler options may cause unexpected invalid flag errors in code that built successfully with older releases.

Changes to the language

There are no significant changes to the language specification.

A corner case involving shifts of untyped constants has been clarified, and as a result the compilers have been updated to allow the index expression x[1.0 << s] where s is an unsigned integer; the go/types package already did.

The grammar for method expressions has been updated to relax the syntax to allow any type expression as a receiver; this matches what the compilers were already implementing. For example, struct{io.Reader}.Read is a valid, if unusual, method expression that the compilers already accepted and is

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Update Oct 25, 2017 tracked by Updatify

go1.9.2 (released 2017-10-25)

go1.9.2 (released 2017-10-25) includes fixes to the compiler, linker, runtime, documentation, go command, and the crypto/x509, database/sql, log, and net/smtp packages. It includes a fix to a bug introduced in Go 1.9.1 that broke go get of non-Git repositories under certain conditions. See the Go 1.9.2 milestone on our issue tracker for details.

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Update Oct 25, 2017 tracked by Updatify

go1.8.5 (released 2017-10-25)

go1.8.5 (released 2017-10-25) includes fixes to the compiler, linker, runtime, documentation, go command, and the crypto/x509 and net/smtp packages. It includes a fix to a bug introduced in Go 1.8.4 that broke go get of non-Git repositories under certain conditions. See the Go 1.8.5 milestone on our issue tracker for details.

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Update Aug 24, 2017 tracked by Updatify

go1.9 (released 2017-08-24)

Introduction to Go 1.9

The latest Go release, version 1.9, arrives six months after Go 1.8 and is the tenth release in the Go 1.x series. There are two changes to the language: adding support for type aliases and defining when implementations may fuse floating point operations. Most of the changes are in the implementation of the toolchain, runtime, and libraries. As always, the release maintains the Go 1 promise of compatibility. We expect almost all Go programs to continue to compile and run as before.

The release adds transparent monotonic time support, parallelizes compilation of functions within a package, better supports test helper functions, includes a new bit manipulation package, and has a new concurrent map type.

Changes to the language

There are two changes to the language.

Go now supports type aliases to support gradual code repair while moving a type between packages. The type alias design document and an article on refactoring cover the problem in detail. In short, a type alias declaration has the form:

type T1 = T2

This declaration introduces an alias name T1 —an alternate spelling—for the type denoted by T2; that is,

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Update Feb 16, 2017 tracked by Updatify

go1.8 (released 2017-02-16)

Introduction to Go 1.8

The latest Go release, version 1.8, arrives six months after Go 1.7. Most of its changes are in the implementation of the toolchain, runtime, and libraries. There are two minor changes to the language specification. As always, the release maintains the Go 1 promise of compatibility. We expect almost all Go programs to continue to compile and run as before.

The release adds support for 32-bit MIPS, updates the compiler back end to generate more efficient code, reduces GC pauses by eliminating stop-the-world stack rescanning, adds HTTP/2 Push support, adds HTTP graceful shutdown, adds more context support, enables profiling mutexes, and simplifies sorting slices.

Changes to the language

When explicitly converting a value from one struct type to another, as of Go 1.8 the tags are ignored. Thus two structs that differ only in their tags may be converted from one to the other:

func example() {
    type T1 struct {
        X int `json:"foo"`
    }
    type T2 struct {
        X int `json:"bar"`
    }
    var v1 T1
    var v2 T2
    v1 = T1(v2) // now legal
}

The language specification now only requires that implementations support up to 16-bit exponents in floating-point constants. This does not affect

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