A year late, the US Librarian of Congress on Friday published an updated list of exemptions to the Digital Millennium Copyright Act's prohibition on circumventing digital access controls.

These exemptions to Section 1201 of the DMCA describe the circumstances under which – until the rules get revisited in two years time – individuals can access, copy, and manipulate copyrighted digital content without fear of infringement claims.

But "the Copyright Office and the Librarian of Congress unlawfully and pointlessly delayed the 2015 exemptions ," Electronic Frontier Foundation EFF staff attorney Kit Walsh said in a blog post on Thursday.

Jailbreaking phones and tablets to enable interoperability or remove unwanted software.

Efforts to bypass 3D printer materials controls.

Efforts by patients to access data in personal medical devices.

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