#top-and-trending-projects>fastest growing</a>
open source projects in all of GitHub. Want to get involved? Join one of our
<a href=https://github.com/istio/community/blob/master/WORKING-GROUPS.md>Working Groups</a>
and help us make Istio even better.</p><h2>See also</h2><div class="posts-list news-list"><ul><li><a title href=/v1.15/news/releases/1.5.x/announcing-1.5/change-notes/>Isito 1.5 Change Notes</a></li><li><a title href=/v1.15/news/releases/1.5.x/announcing-1.5/upgrade-notes/>Istio 1.5 Upgrade Note