As with M15, M16 does not contain any in-place schema changes (no M15 schema resources were changed). Refer here for
[full list of OSDU changes "OSDU schemas"](https://community.opengroup.org/osdu/data/data-definitions/-/blob/v0.19.0/E-R/ChangeReport.md#snapshot-2022-11-09-towards-m16) and [full changes "OSDU reference-values"](https://community.opengroup.org/osdu/data/data-definitions/-/blob/v0.19.0/ReferenceValues/ChangeLogs/M16/README.md)
***New Incremental Versions (Schema Changes)**
***Connected Source/External Data Services**
*[master-data--ConnectedSourceDataJob:1.3.0](https://community.opengroup.org/osdu/data/data-definitions/-/blob/master/E-R/master-data/ConnectedSourceDataJob.1.3.0.md) acting as activity
*[master-data--ConnectedSourceRegistryEntry:1.2.0](https://community.opengroup.org/osdu/data/data-definitions/-/blob/master/E-R/master-data/ConnectedSourceRegistryEntry.1.2.0.md) acting as activity
*[reference-data--ExternalReferenceValueMapping](https://community.opengroup.org/osdu/data/data-definitions/-/blob/v0.19.0/E-R/reference-data/ExternalReferenceValueMapping.1.0.0.md)(new reference value list type)
***Wellbore**
*[master-data--Wellbore:1.3.0](https://community.opengroup.org/osdu/data/data-definitions/-/blob/v0.19.0/E-R/master-data/Wellbore.1.3.0.md) with new properties;
*[CoordinateTransformation:1.1.0](https://community.opengroup.org/osdu/data/data-definitions/-/blob/master/ReferenceValues/ChangeLogs/M16/README.md#coordinatetransformation110-crs_ct) and
[CoordinateReferenceSystem:1.1.0](https://community.opengroup.org/osdu/data/data-definitions/-/blob/master/ReferenceValues/ChangeLogs/M16/README.md#coordinatereferencesystem110-crs_ct) IOGP updates and two CRSs removed.
[WellboreReason:1.0.0](https://community.opengroup.org/osdu/data/data-definitions/-/blob/master/ReferenceValues/ChangeLogs/M16/README.md#wellborereason100)**_subject to change after expected PPDM revision_**.
* Formation Integrity Test related: [FormationIntegritySurfacePressureDataSource:1.0.0](https://community.opengroup.org/osdu/data/data-definitions/-/blob/master/ReferenceValues/ChangeLogs/M16/README.md#formationintegritysurfacepressuredatasource100),
*[work-product-component--FluidBoundaryInterpretation](https://community.opengroup.org/osdu/data/data-definitions/-/blob/v0.19.0/E-R/work-product-component/FluidBoundaryInterpretation.1.0.0.md) with associated reference data type
*[work-product-component--RockImage](https://community.opengroup.org/osdu/data/data-definitions/-/blob/master/E-R/work-product-component/RockImage.1.0.0.md) with associated reference data types
*[reference-data--ImageLightingCondition](https://community.opengroup.org/osdu/data/data-definitions/-/blob/master/E-R/reference-data/ImageLightingCondition.1.0.0.md) and
*[work-product-component--FormationIntegrityTest](https://community.opengroup.org/osdu/data/data-definitions/-/blob/master/E-R/work-product-component/FormationIntegrityTest.1.0.0.md) with associated reference data types: