List of changes - xChange 2.0 (10.13 GUI; 5.28 API; 1.18 API Gateway)

- Added new fields: ProductAnnouncementDate, HasSerialNumber, RohsExemptionNumber, CasNumber, EcNumber, EprelRegistrationNumber
- Added new codes to TunnelCode: "B1000C", "B/D", "B/E", "C5000D", "C/D", "C/E", "D/E"
- Split GWP Total (xChange LcaEnvironmental subtree) into three new fields: DeclaredUnitGwpFossil, DeclaredUnitGwpBiogenic and DeclaredUnitGwpLuluc
- Added several new fields to the xChange LcaEnvironmental subtree: DeclaredUnitPm, DeclaredUnitIrp, DeclaredUnitEtpfw, DeclaredUnitHtpc, DeclaredUnitHtpnc, DeclaredUnitSqp
- Added new codes to LifeCycleStage: "B1-B7" and "C1-C4"
- Added new fields: CSProductCharacteristicMultivalueSelect and CSItemCharacteristicMultivalueSelect
- Added new fields: PackagingUnitName, SerialNumberOnPackaging, StackingFactor, PackagingTippable
- Added new field: AttachmentTypeSpecification (with MDX values)
- Changes to the AttachmentType code list:
    - added "ATX023" (360° product view), "ATX024" (Deeplink product page), "ATX025" (Spare parts list) and "ATX026" (Environmental label)
    - deleted codes ATX005, ATX006, ATX007, ATX008 and ATX009, as these are now listed as MDX codes
- Added new codes to RelationType: "CONSUMABLES", "REFURBISHED" and "USED"
- Added US-specific codes to NetVolumeUnit: GLL, OZA, PT, QT