Last September, we announced we’d be deprecating co-access and encouraging its ~100 users to use our multiple resolution service. We announced that no new DOIs will be placed in co-access from 1st of July 2026 and that the ensuing 6 months should be spent cleaning up records already in co-access and moving them over to multiple resolution.
This is a companion discussion topic for the original entry at https://www.crossref.org/blog/co-access-deprecation-is-coming-are-you-ready/