Version Upgrades

Complete guide for upgrading Frappe/ERPNext between major versions, handling failed migrations, and rolling back safely.

Versions: v14 → v15 → v16

Quick Reference: Upgrade Commands

Task	Command
Full update	`bench update`
Update specific app	`bench update --pull --app erpnext`
Switch branch	`bench switch-to-branch version-15 frappe erpnext`
Run migrations only	`bench --site mysite migrate`
Check migration readiness	`bench --site mysite ready-for-migration`
Backup before upgrade	`bench --site mysite backup`
Restore from backup	`bench --site mysite restore /path/to/backup.sql.gz`