xtensions without
requiring Envoy rollouts.</p></li><li><p>Stock releases: Once merging into the main tree is complete, Istio and others will be able to
use stock releases of Envoy, instead of custom builds. This will also free the Envoy community
to move some of the built-in extensions to this model, thereby reducing their
supported footprint.</p></li><li><p>Reliability and isolation: Extensions are deployed inside a sandbox with resource constraints,
which means they can now crash, or leak memory, without