Heroku: Heroku renamed the Postgres Premium-3 limit fields (disk_size to disk, connection_limit to connections).

{"ram":"15 GB","disk_size":"512 GB","connection_limit":"500"} → {"ram":"15 GB","disk":"512 GB","connections":"500"}

Heroku renamed the Postgres Premium-3 limit fields (disk_size to disk, connection_limit to connections). Values were unchanged at 15 GB RAM, 512 GB disk and 500 connections.