Shall I keep the original stateVersion value even after upgrading from 18.03 to 18.09?

Haven’t changed the stateVersion since 15.09, so was wondering what I am missing. So here is a short summary.

mysql:

  • 17.09 changed data directory to /var/lib/mysql (was /var/mysql)

postgres:

  • 16.09 changed package to postgres95 (pre-16.09 use postgres94)
  • 17.09 changed package to postgres96
  • 17.09 changed user to postgres (was root)
  • 17.09 changed data directory to /var/lib/postgresql/${config.services.postgresql.package.psqlSchema} (where psqlSchema is 9.6 for example) (was /var/db/postgresql)

matrix-synapse:

  • 18.03 changed the default database type to psycopg2 (was sqlite3)

ipfs:

  • 17.09 changed the default data directory to /var/lib/ipfs (was /var/lib/ipfs/.ipfs)

radicale:

  • 17.09 changed the default package to radicale2 (was radicale1)

caddy:

  • 17.09 adds dataDir to CADDYPATH

amazon-options:

  • 17.03 sets ec2.hvm to true by default
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