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<button id=search-close title='Cancel search' type=reset aria-label='Cancel search'><svg class="icon menu-close"><use xlink:href="/v1.21/img/icons.svg#menu-close"/></svg></button></form></nav></header><div class=banner-container></div><article class=post itemscope itemtype=http://schema.org/BlogPosting><div class=header-content><h1>Announcing Extended Support for Istio 1.9</h1><p>Allowing for Less Frequent Upgrades.</p></div><p class=post-author>Sep 3, 2021 <span>| </span>By Mitch Connors - Google, Lin Sun - Solo.io</p><div><p>In keeping with our 2021 theme of improving Day 2 Istio operations, the Istio team has been evaluating extending the support window for our releases to give users more time to upgrade. For starters, we are extending the support window of Istio 1.9 by six weeks, to October 5, 2021. We hope that this additional support window will allow the many users who are currently using Istio 1.9 to upgrade, either to Istio 1.10 or directly to Istio 1.11. By overlapping support between 1.9 and 1.11, we intend to create a stable cadence of upgrade windows twice a year for users upgrading directly across two minor versions (i.e. 1.9 to 1.11). Users who prefer upgrading through each minor release to get all the latest and greatest features may continue doing so quarterly.</p><figure style=width:100%><div class=wrapper-with-intrinsic-ratio style=padding-bottom:55.55555555555556%><a data-skipendnotes=true href=/v1.21/blog/2021/extended-support/extended_support.png title="Extended Support and Upgrades"><img class=element-to-stretch src=/v1.21/blog/2021/extended-support/extended_support.png alt="Extended Support and Upgrades"></a></div><figcaption>Extended Support and Upgrades</figcaption></figure><p>During this extended period of support, Istio 1.9 will receive CVE and critical bug fixes only, as our goal is simply to provide users with time to migrate off the release and on to 1.10 or 1.11. And speaking of users, we would love to hear how we’re doing at improving your Day 2 experience of Istio. Is two upgrades per year not the right number? Is a six week upgrade window too short? Please share your thoughts with us on <a href=https://slack.istio.io>slack</a> (in the user-experience channel), or on <a href=https://twitter.com/istiomesh>twitter</a>. Thanks!</p></div><nav class=pagenav><div class=left><a title="Aeraki provides a framework to allow Istio to support more layer-7 protocols other than HTTP." href=/v1.21/blog/2021/aeraki/ class=next-link><svg class="icon left-arrow"><use xlink:href="/v1.21/img/icons.svg#left-arrow"/></svg>Aeraki — Manage Any Layer-7 Protocol in Istio Service Mesh</a></div><div class=right><a title="Results of a third-party security review by NCC Group." href=/v1.21/blog/2021/ncc-security-assessment/ class=next-link>Announcing the results of Istio’s first security assessment<svg class="icon right-arrow"><use xlink:href="/v1.21/img/icons.svg#right-arrow"/></svg></a></div></nav></article><footer class=footer><div class="footer-wrapper container-l"><div class="user-links footer-links"><a class=channel title='GitHub is where development takes place on Istio code' href=https://github.com/istio/community aria-label=GitHub><svg class="icon github"><use xlink:href="/v1.21/img/icons.svg#github"/></svg>
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