t for Istio 1.1 has now officially ended.</p><p>Since we learned of the security vulnerability <a href=/v1.23/news/security/istio-security-2019-005/>behind our October 8th security release</a> while still barely within the 1.1 support period, we decided to extend the 1.1 support period beyond the original announcement and release <a href=/v1.23/news/releases/1.1.x/announcing-1.1.16/>1.1.16</a>. Then we discovered a <a href=https://github.com/istio/istio/issues/17735>bug in HTTP header size calculation</a> w