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Performing a Backup
Please backup your files and perform the necessary tests after the upgrade. If you are upgrading from v3, please note that there have been security hardening changes since v4 so please refer to v4 Compatibility.
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Please backup your files and perform the necessary tests after the upgrade. If you are upgrading from v3, please note that there have been security hardening changes since v4 so please refer to v4 Compatibility.
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