<!--{
	"Title": "Release History"
}-->

<p>This page summarizes the changes between official stable releases of Go.
The <a href="//golang.org/change">change log</a> has the full details.</p>

<p>To update to a specific release, use:</p>

<pre>
git pull
git checkout <i>release-branch</i>
</pre>

<h2 id="go1.5">go1.5 (released 2015/08/19)</h2>

<p>
Go 1.5 is a major release of Go.
Read the <a href="/doc/go1.5">Go 1.5 Release Notes</a> for more information.
</p>

<h3 id="go1.5.minor">Minor revisions</h3>

<p>
go1.5.1 (released 2015/09/08) includes bug fixes to the compiler, assembler, and
the <code>fmt</code>, <code>net/textproto</code>, <code>net/http</code>, and
<code>runtime</code> packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.5.1">Go
1.5.1 milestone</a> on our issue tracker for details.
</p>

<h2 id="go1.4">go1.4 (released 2014/12/10)</h2>

<p>
Go 1.4 is a major release of Go.
Read the <a href="/doc/go1.4">Go 1.4 Release Notes</a> for more information.
</p>

<h3 id="go1.4.minor">Minor revisions</h3>

<p>
go1.4.1 (released 2015/01/15) includes bug fixes to the linker and the <code>log</code>, <code>syscall</code>, and <code>runtime</code> packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.4.1">Go 1.4.1 milestone on our issue tracker</a> for details.
</p>

<p>
go1.4.2 (released 2015/02/17) includes bug fixes to the <code>go</code> command, the compiler and linker, and the <code>runtime</code>, <code>syscall</code>, <code>reflect</code>, and <code>math/big</code> packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.4.2">Go 1.4.2 milestone on our issue tracker</a> for details.
</p>

<h2 id="go1.3">go1.3 (released 2014/06/18)</h2>

<p>
Go 1.3 is a major release of Go.
Read the <a href="/doc/go1.3">Go 1.3 Release Notes</a> for more information.
</p>

<h3 id="go1.3.minor">Minor revisions</h3>

<p>
go1.3.1 (released 2014/08/13) includes bug fixes to the compiler and the <code>runtime</code>, <code>net</code>, and <code>crypto/rsa</code> packages.
See the <a href="//code.google.com/p/go/source/list?name=release-branch.go1.3&r=073fc578434bf3e1e22749b559d273c8da728ebb">change history</a> for details.
</p>

<p>
go1.3.2 (released 2014/09/25) includes bug fixes to cgo and the crypto/tls packages.
See the <a href="//code.google.com/p/go/source/list?name=release-branch.go1.3&r=go1.3.2">change history</a> for details.
</p>

<p>
go1.3.3 (released 2014/09/30) includes further bug fixes to cgo, the runtime package, and the nacl port. 
See the <a href="//code.google.com/p/go/source/list?name=release-branch.go1.3&r=go1.3.3">change history</a> for details.
</p>

<h2 id="go1.2">go1.2 (released 2013/12/01)</h2>

<p>
Go 1.2 is a major release of Go.
Read the <a href="/doc/go1.2">Go 1.2 Release Notes</a> for more information.
</p>

<h3 id="go1.2.minor">Minor revisions</h3>

<p>
go1.2.1 (released 2014/03/02) includes bug fixes to the <code>runtime</code>, <code>net</code>, and <code>database/sql</code> packages.
See the <a href="//code.google.com/p/go/source/list?name=release-branch.go1.2&r=7ada9e760ce34e78aee5b476c9621556d0fa5d31">change history</a> for details.
</p>

<p>
go1.2.2 (released 2014/05/05) includes a
<a href="//code.google.com/p/go/source/detail?r=bda3619e7a2c&repo=tools">security fix</a>
that affects the tour binary included in the binary distributions (thanks to Guillaume T).
</p>

<h2 id="go1.1">go1.1 (released 2013/05/13)</h2>

<p>
Go 1.1 is a major release of Go.
Read the <a href="/doc/go1.1">Go 1.1 Release Notes</a> for more information.
</p>

<h3 id="go1.1.minor">Minor revisions</h3>

<p>
go1.1.1 (released 2013/06/13) includes several compiler and runtime bug fixes.
See the <a href="//code.google.com/p/go/source/list?name=release-branch.go1.1&r=43c4a41d24382a56a90e924800c681e435d9e399">change history</a> for details.
</p>

<p>
go1.1.2 (released 2013/08/13) includes fixes to the <code>gc</code> compiler
and <code>cgo</code>, and the <code>bufio</code>, <code>runtime</code>,
<code>syscall</code>, and <code>time</code> packages.
See the <a href="//code.google.com/p/go/source/list?name=release-branch.go1.1&r=a6a9792f94acd4ff686b2bc57383d163608b91cf">change history</a> for details.
If you use package syscall's <code>Getrlimit</code> and <code>Setrlimit</code>
functions under Linux on the ARM or 386 architectures, please note change
<a href="//golang.org/change/55ac276af5a7">55ac276af5a7</a>
that fixes <a href="//golang.org/issue/5949">issue 5949</a>.
</p>

<h2 id="go1">go1 (released 2012/03/28)</h2>

<p>
Go 1 is a major release of Go that will be stable in the long term.
Read the <a href="/doc/go1.html">Go 1 Release Notes</a> for more information.
</p>

<p>
It is intended that programs written for Go 1 will continue to compile and run
correctly, unchanged, under future versions of Go 1.
Read the <a href="/doc/go1compat.html">Go 1 compatibility document</a> for more
about the future of Go 1.
</p>

<p>
The go1 release corresponds to 
<code><a href="weekly.html#2012-03-27">weekly.2012-03-27</a></code>.
</p>

<h3 id="go1.minor">Minor revisions</h3>

<p>
go1.0.1 (released 2012/04/25) was issued to
<a href="//golang.org/change/a890477d3dfb">fix</a> an
<a href="//golang.org/issue/3545">escape analysis bug</a>
that can lead to memory corruption.
It also includes several minor code and documentation fixes.
</p>

<p>
go1.0.2 (released 2012/06/13) was issued to fix two bugs in the implementation
of maps using struct or array keys: 
<a href="//golang.org/issue/3695">issue 3695</a> and
<a href="//golang.org/issue/3573">issue 3573</a>.
It also includes many minor code and documentation fixes.
</p>

<p>
go1.0.3 (released 2012/09/21) includes minor code and documentation fixes.
</p>

<p>
See the <a href="//code.google.com/p/go/source/list?name=release-branch.go1">go1 release branch history</a> for the complete list of changes.
</p>

<h2 id="pre.go1">Older releases</h2>

<p>
See the <a href="pre_go1.html">Pre-Go 1 Release History</a> page for notes
on earlier releases.
</p>