ibute/add-content/>contribute new content</a>
or <a href=/v1.21/docs/releases/contribute/review/>review content</a> to learn more about submitting more
substantial changes.</p><h2 id=branching-strategy>Branching strategy</h2><p>Active content development takes place using the master branch of the
<code>istio/istio.io</code> repository. On the day of an Istio release, we create a release
branch of master for that release. The following button takes you to the
repository on GitHub:</p><p><a class=btn href=htt