Current `rack` dependency version causes conflict with modern `rackup` versions
Author: 64kramsystemCreated Jul 31, 2024Updated Mar 17, 2026
The `rack` dependency version, `~>2.2`, causes conflicts with modern `rackup` versions (e.g. `2.1.0`); it should be verified and upgraded to a modern version (e.g. `~>3.1`).
Source: sj26/mailcatcher