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This bump changes runtime behavior in production because
config/puma.rbonly callsport ENV.fetch("PORT", 3000)and does not set an explicit host/bind; Puma 8 switched the production default bind toward IPv6 (::), so on hosts where IPv6 sockets are v6-only (for examplenet.ipv6.bindv6only=1), IPv4 load-balancer or health-check traffic can stop reaching the app after deployment. Since this commit upgrades from 6.6.0 to 8.0.1 without pinning bind address, it can introduce an availability regression in IPv4-oriented environments.Useful? React with 👍 / 👎.