J. Nick Koston

So we have a tiny risk of updates changing the preference format but config stays same, old incompatible data would be loaded

We can mitigate that by checking the version as well and than only updating the build time if the config hash OR version has changed

still config hashes are differing between runs because the config hash doesn't sort. so it relinks anyways

Needs a developer blog post for the breaking change

> I think this is now working. I would prefer to put the breaking change into a follow-on PR. I'm also not entirely keen on including `build_info_data.h` from files all...

@whitty Would you please resolve conflicts and add a compile test. I think these options are rare so they could be behind a define to enable conditional compilation.

[Run esphome/pre-commit-action@43cd1109c09c544d97196f7730ee5b2e0cc6d81e: tests/components/esp32_ble_client/test-extended-auth-req-params.esp32-idf.yaml#L2](https://github.com/esphome/esphome/pull/7138/files#annotation_42629030680) 2:5 [indentation] wrong indentation: expected 2 but found 4

No rush. We just pushed 2025.12.0 beta so generally we only merge fixes for the next week anyways.

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