* CLI
* Fixed the display of the meshed pod column for non-selector services in
`linkerd stat` output
* Added an `addon-overwrite` upgrade flag which allows users to overwrite the
existing addon config rather than merging into it
* Added a `--close-wait-timeout` inject flag which sets the
`nf_conntrack_tcp_timeout_close_wait` property which can be used to mitigate
connection issues with application that hold half-closed sockets
* Controller
* Restricted the service-mirror's RBAC permissions so that it no longer is
able to read secrets in all namespaces
* Moved many multicluster components into the `linkerd-multicluster` namespace
by default
* Added multicluster gateway mirror services to allow multicluster liveness
probes to work in private networks
* Fixed an issue where multicluster gateway mirror services could be
incorrectly deleted during a resync
* Internal
* Fixed many style issues in build scripts (thanks @joakimr-axis!)
* Helm
* Added `global.grafanaUrl` variable to allow using an existing Grafana
installation