Is there an update available, or coming, to update from 17.5.9 / 17.5.10 to v18 without requiring a factory reset?

Question

When I try to manually upload the v18 .sig update file as found on the MySophos Portal to our SG450 (converted over to XG) running v17.5.10, it says in order to complete the update process it will set the configuration back to factory settings... am I missing something?

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Michael Dunn · Accepted Answer

Upgrades from 17.5 to 18.0 are only allowed to an 18.0 release that were released later in time. 
 If effect, v18.0 MR2 is saying "I don't know what 17.5 MR14 is, so I don't know how to upgrade from it". 
 In addition, 17.5 MR14 (being released later) might contain bug fixes or security improvements that are not in 18.0 MR2. 
 If you are on 17.5 MR14, I advise you to wait until 18.0 MR3 is released.

FloSupport · Answer

[Update] 
 Taken from the Sophos XG Firewall v18.0 GA-Build379 release notes :

You can upgrade from SFOS 17.5 (MR6 to MR10) to this release 18.0 GA-Build379 . We will soon have a re-release of v18 MR1 to support SD-RED devices and upgrade from v17.5 MR11/ MR12. Check out the relevant sections of the XG v18 release notes for details on: 
 
 Supported hardware appliances 
 Important upgrade information 
 
 Note: Please note that upgrading from SFOS v17.5.x to SFOS v18 GA-Build379 may take longer than normal, due to the file system correction checks. The approximate time is dependent on the hard disk size and state. More info available in this KBA.

Is there an update available, or coming, to update from 17.5.9 / 17.5.10 to v18 without requiring a factory reset?

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