s/concepts/wasm/>Extensibility</a></li></ul></li><li role=treeitem aria-label="Sidecar Mode"><a class=main title="Information for setting up and operating Istio in sidecar mode." href=/v1.25/docs/setup/>Sidecar Mode</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="Try Istio’s features quickly and easily." href=/v1.25/docs/setup/getting-started/>Getting Started</a></li><li role=treeitem aria-label="Platform Setup"><button aria-hidden=true tabindex=-1></button><a title="How to prep