Highlights

New section: Support & communication channels.
New section: Servers.
Changes to fundamentals :
- Rename uuid to id.
- Add name.
- Rename quantumName to dataProduct and make it optional.
- Rename datasetDomain to domain (we avoid the dataset prefix).
- Drop datasetKind (example: virtualDataset, was optional, have not seen any usage).
- Drop userConsumptionMode (examples: analytical, was optional, already deprecated in v2.).
- Drop sourceSystem (example: bigQuery, information will be encoded in servers).
- Drop sourcePlatform (example: googleCloudPlatform, information will be encoded in servers).
- Drop productSlackChannel (will move to support channels).
- Drop productFeedbackUrl (will move to support channels).
- Drop productDl (will move to support channels).
- Drop username (credentials should not be stored in the data contract).
- Drop password (credentials should not be stored in the data contract).
- Drop driverVersion (will move to servers if needed).
- Drop driver (will move to servers if needed).
- Drop server (will move to servers if needed).
- Drop project (BigQuery-specific, will move to servers).
- Drop datasetName (BigQuery-specific, will move to servers).
- Drop database (BigQuery-specific, will move to servers).
- Drop schedulerAppName (not part of the contract).
Changes to Schema:
- Major changes, check spec.
- Adds support for non table formats, hierarchies, and arrays.
- name is a new field
- items is a new field
- priorTableName is not supported anymore, if needed, consider a custom property.
- table is not supported anymore, if needed, consider using name.
- columns is now properties
- dataGranularity is now dataGranularityDescription.
- encryptedColumnNameis now encryptedName.
- partitionStatus is now partitioned.
- clusterStatus is not supported anymore, if needed, consider a custom property.
- clusterKeyPosition is not supported anymore, if needed, consider a custom property.
- sampleValues is now examples.
- isNullable is now required.
- isUnique is now unique.
- isPrimaryKey is now primaryKey.
- criticalDataElementStatus is now criticalDataElement.
- clusterKeyPosition is not supported anymore, if needed, consider a custom property.
- transformSourceTables is now transformSourceObjects
- Restrict schema.*.logicalType to be one of string, date, number, integer, object, array, boolean.
- Add schema.*.logicalTypeOptions.
Changes to Data Quality:
- Significant changes have been applied to support more tools and use cases. Please review the new section.
- If needed, templateName is a custom property.
- toolName is obsolete, replaced by type=custom; engine: <engine name>.
- scheduleCronExpression is replaced by schedule and scheduler. scheduleCronExpression: 0 20 * * * becomes schedule: 0 20 * * * and scheduler: cron.
Pricing:
- No changes.
Changes to Team (fka stakeholders):
- Replaces stakeholders. Content stays the same.
Changes to Role:
- Added description
- Changed access is not required anymore
Security:
- No changes.
Changes to SLA:
- Starting with v3, the schema is not purely tables and columns, hence minor modifications: columns are now elements.
- slaDefaultColumn is now slaDefaultElement.
- column is now element.
- Explicit reference to Data QoS.
Changes to custom and other properties:
- systemInstance is not supported anymore, if needed, consider a custom property.

What's Changed

Some examples included 'isPrimary', it should be 'isPrimaryKey' as pr… by @pflooky in #47
Create vendors.md by @jgperrin in #51
Update README.md by @jgperrin in #52
Jgperrin patch 6 by @jgperrin in #53
Update vendors.md by @simonharrer in #55
Change schema file naming by @destouma in #56
Add in data caterer as vendor, add vendor to docs site by @pflooky in #57
Schemastore by @pflooky in #58
Fixing a broken link for JSON Schema by @kidanekal in #60
Rfc 0002 data types by @pflooky in #46
RFC-5 Top Level Changes by @jochenchrist in #61
Update markdown files in docs folder to use README file name, add in … by @pflooky in #62
RFC 6 Support by @jgperrin in #63
Explanation around rfc4 by @jgperrin in #64
Update JSON Schema by @pflooky in #65
Add properties key to logicalType object for nested fields. by @jochenchrist in #66
Update database-table-sla.odcs.yaml by @jgperrin in #68
More details in team member by @jgperrin in #67
Add in data contract playground to vendors by @pflooky in #70
RFC 7 by @jgperrin in #69
Quality: Rename type implicit to library by @jochenchrist in #71
Add Data Contract Manager to Vendor list by @jochenchrist in #72
Rfc 7 update schema by @pflooky in #73
Jgperrin's update on rfc1 by @jgperrin in #74
Last changes for server by @simonharrer in #75
Merge dev_v3 into dev by @jgperrin in #78
ODCS 36 - Move script folder by @pflooky in #79
Remove type from fundamentals by @pflooky in #81
Update README.md by @dirkvandepoel in #83
Update README.md by @dirkvandepoel in #84
Update README.md by @jochenchrist in #85
Last changes for server by @simonharrer in #88
Add custom properties in schema by @simonharrer in #91
Fix formatting issues in markdown that caused doc site to change text… by @pflooky in #89
Dev by @pflooky in #92