Home Assistant user rebuilds system from scratch instead of upgrading 21 versions

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A Home Assistant user chose to rebuild their smart home system from scratch rather than upgrade it, which was 21 monthly releases behind. The old instance, running since 2022, had grown complex with 751 entities and lacked modern configuration management. The user cited accumulated technical debt, including a lack of documentation and complex rollback procedures, as reasons for the rebuild. The decision resulted in losing two years of historical data and requiring the reconfiguration of all integrations and automations.

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