itle>Extensibility</h1></div></div><p>Helps you manage extensions to the service mesh.</p><div class=section-index><div class=entry title="2 minute read"><h5><a href=/v1.15/docs/ops/configuration/extensibility/wasm-pull-policy/>Pull Policy for WebAssembly Modules</a></h5><p>Describes how Istio determines whether to pull Wasm modules or use cached versions.</p></div></div></article><div id=endnotes-container aria-hidden=true><h2>Links</h2><ol id=endnotes></ol></div></div></main><footer class=footer><div clas