#### Interoperability Toolkit
Core

### Change History

#### Version: 1.1; Status: Final

- Rebranding to HSCIC
  - Pack has been rebranded to HSCIC
- Navigation
  - Removal of the Related Documents tab, as these documents now delivered in their own TRUD pack
  - Removed WSDL option under Services as links to WSDL files now directly from Services Overview page and Queue Collection page
  - Some items may appear under different tabs
- Metadata
  - Addition of Metadata tab that includes metadata schema and examples
- Acknowledgement Framework
  - Acknowledgement Framework talks about the addition of 2 new handling specifications for requesting an infrastructure acknowledgement and a business response
- Distribution Envelope Examples
  - Examples updated to include the new Acknowledgement request flags

#### Version: 1.0; Status: Final

- Related Documents
  - Changes to the Architecture Specifications (relaxing of criteria for accreditation). A summary of the changes can be found on TRUD under "ITK Issued Specifications", downloading the "NHS Interoperability Toolkit Security Requirements Accreditation and Concessions" pack.
- Business Acknowledgement
  - Correction made to the business acknowledgement. Details of the changes can be found in the change history of The Domain Message Specification for the ITK Business Acknowledgement

#### Version: 1.0; Status: RC2

- Infrastructure Acknowledgement Interaction
  - Corrected broken links to Distribution Envelope and WSDL
- Distribution Envelope
  - Corrected examples to used correct service names, profile ids and interaction ids mimeType for CDA set to text/xml
- metadata.xsd
  - Introduced a new metadata.xsd schema that includes the rim.xsd schema. This mandates a <itk:metadata> tag around the metadata payload to ensure that the metadata payload is deterministic when it contains multiple extrinsic objects. All metadata payloads should be validated against metadata.xsd
- Related Documents
  - Architecture Specification and Trust Operating Model documents updated. For details see the Change Log under Related Documents
- ProfileId
  - ProfileId expanded to encompass Message Type, Template Constraints and Core Schema

#### Version: 1.0; Status: RC1

- N/A
  - First Core Pack version