v0.16.3 just adds an API endpoint to the RPC server, and v0.16.4 updates the QL grammar to add new searchable visit types for the query language. So upgrade & restart is enough
staging (webapp, search0 [1]):
- [x] Upgrade package
- [x] Restart
- [x] Tag grafana
prod (moma, webapp1, search1 [2]):
- [x] Upgrade package
- [x] Restart
- [x] Tag grafana
[1] .internal.staging.swh.network
[2] .internal.softwareheritage.org