This release restores support for the {FormatterModule, opts} tuple syntax in your config/config.exs, so upgrading from v6 to v7 won’t break existing setups. We added it mainly for users who configure their logger at compile‑time - before new/1 (or any application/dependencies code) is available.

That said, tuple‑based configs are invoked on every log entry, so it’s still best practice to move your formatter setup into config/runtime.exs where it runs once at startup. See 7.0.0 release notes for instructions.