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- custom Posts declared in mu-plugin "register-entities."
- custom pages declared via custom template in the theme
- custom page data provided via ACF plugin and meta fields which declared in mu-plugin "register-entities" (ACF Docs, Meta fields Docs)
- pantheon recommended plugins (Pantheon Docs)
- key management provided via Lockr plugin (Lockr) and keys defined in mu-plugin lockr-keyring.php
- theme required modifications stored in themes/"theme_name"/app
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