METS 2

METS 2 is nearing its final release. The elements and attributes of METS 2 were finalized in September 2022, but work on documentation and other supporting materials continues.

The METS 2 schema is available for use, with several supporting resources:

Resources available for METS 2:

• Overview and tutorial
• Detailed documentation (work in progress)
• Schema reference
• Suggested attribute values
• METS 1 to 2 transformation

METS 2 Profiles

Profiles for METS 2 are a work in progress.

• Draft METS 2 Profiles schema
• METS 2 Profiles schema reference

Changes from METS 1 to METS 2

Compared to METS 1, METS 2 simplifies the schema, makes it more consistent, and removes reliance on the outdated XLink standard. It aims to retain a clear path for migration from METS 1 for most use cases.

There is also a detailed description the changes from METS 1 to METS 2 along with fully-worked examples of METS 2 documents.

METS 1

METS 1.x continues to be available.

• METS Schema Version 1.12.1
• METS 1.12.1 Schema Reference
• Library of Congress METS Resources

Contact Us

METS is maintained by the METS Editorial Board. To contact the board, provide feedback, and discuss METS 2, join the METS mailing list.