allout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.26/img/icons.svg#callout-warning"/></svg></div><div class=content>Upgrading across more than two minor versions (e.g., <code>1.6.x</code> to <code>1.9.x</code>) in one step is not officially tested or recommended.</div></aside></div></article><div id=endnotes-container aria-hidden=true><h2>Enlaces</h2><ol id=endnotes></ol></div></div></main><footer class=footer><div class="footer-wrapper container-l"><div class="user-links footer-l