In Chef Infra Client 17 (April 2021) and some earlier versions, unified mode is not enabled by default. Enable unified mode on a custom resource with unified_mode true. Chef Infra Client displays a deprecation message with unified_mode false.
In Chef Infra Client 18 (April 2022), unified_mode true will become the default behavior.
| Chef Infra Client | Unified Mode |
|---|---|
| 18.x (2022) | Default: unified_mode true |
| 17.x (2021) | Default: unified_mode false |
| 16.x (2020) | Default: unified_mode false |
| 15.3 and higher | Default: unified_mode false |
| 15.0-15.2 | Not available |
| 14.14-14.15 | Default: unified_mode false |
| Lower than 14.14 | Not available |