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1. A re-load of seed data.
2. A file change which need additional unload/reload/convert activities
3. Any tables which can be deleted(dropped) because they are not used anymore.
4. Any other required activity to keep your production site operational
R587127:refactored party content
1. export the content of entity: PartyContent
2. add the fields partyContentTypeId and fromDate to the exported file
3. upgrade and restart the system.
4. Import the exported file
R643847:Rename FeaturePrice entity to ProductFeaturePrice
1. export the content of the entity with webtools export.
2. rename the entityname in the exported file
3. upgrade and restart the system.
4. Import the exported file
R686731:Add support of fromDate & thruDate in CustRequestRole entity"
1. after upgrade run the service 'migrateCustRequestRole' to copy the current data to the new table.
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