Schema migration rollback gap in pfSense 2.7.x after config.xml restore
Evaluate rollback safety after a schema-changing upgrade in pfSense 2.7.x and later, where the configuration database schema version is tracked in /conf/version.xml and upgrades trigger migration scripts that rewrite tables. The documented restore path only replaces config.xml. It does not revert the underlying schema changes, so the database can remain in a
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