[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-08-11。"],[],[],null,["# Upgrading from earlier versions\n===============================\n\nUpgrading Cloud Service Mesh across more than one minor version (that is, 1.4.x to\n1.8.x) in one step is not officially tested or supported. This page provides\nlinks to the \"Upgrading on-premises\" guide for each Cloud Service Mesh version.\n\n- [Upgrading from 1.4 to 1.5](/service-mesh/v1.5/docs/gke-on-prem-upgrading)\n\n- [Upgrading from 1.5 to 1.6](/service-mesh/v1.6/docs/gke-on-prem-upgrading)\n\n- [Upgrading from 1.6 to 1.7](/service-mesh/v1.7/docs/gke-on-prem-upgrading)\n\n- [Upgrading from 1.7 to 1.8](/service-mesh/v1.8/docs/gke-on-prem-upgrading)\n\n- [Upgrading from 1.8 to 1.9](/service-mesh/v1.9/docs/on-premises-upgrade)\n\n- [Upgrading from 1.9 to 1.10](/service-mesh/v1.10/docs/on-premises-upgrade)\n\n- [Upgrading from 1.10 to 1.11](/service-mesh/v1.11/docs/unified-install/upgrade)\n\n- [Upgrading from 1.11 to 1.12](/service-mesh/v1.12/docs/unified-install/upgrade)\n\n- [Upgrading from 1.12 to 1.13](/service-mesh/v1.13/docs/unified-install/upgrade)\n\n- [Upgrading from 1.13 to 1.14](/service-mesh/v1.14/docs/unified-install/upgrade)\n\n- [Upgrading from 1.14 to 1.15](/service-mesh/v1.15/docs/unified-install/upgrade)\n\n- [Upgrading from 1.15 to 1.16](/service-mesh/v1.16/docs/unified-install/upgrade)\n\n- [Upgrading from 1.16 to 1.17](/service-mesh/v1.17/docs/unified-install/upgrade)\n\n- [Upgrading from 1.17 to 1.18](/service-mesh/v1.18/docs/unified-install/upgrade)\n\n| **Note:** Cloud Service Mesh 1.10 introduced networking changes that are different than 1.9 and earlier. After you upgrade to Cloud Service Mesh 1.10 or later, review [Am I Impacted?](https://istio.io/latest/blog/2021/upcoming-networking-changes/#am-i-impacted) to verify if you are impacted and for mitigation steps."]]