Release notes

Stay informed about the features and capabilities included in each product release of Sierra and MyLibrary!

Sierra

 

• Sierra May 2026 (6.6) Release Notes (HTML5)

• Sierra 6.5 Release Notes (PDF)

• Sierra 6.4 Release Notes (PDF)

• Sierra 6.3 Release Notes (PDF)

• Sierra 6.2 Release Notes (PDF)

• Sierra 6.1 Release Notes (PDF)

• Sierra 6.0 Release Notes (PDF)

• Sierra 5.6 Release Notes (PDF)

• Sierra 5.5 Release Notes (PDF)

• Sierra 5.4 Release Notes (PDF)

• Sierra 5.3 Release Notes (PDF)

• Sierra 5.2 Release Notes (PDF)

MyLibrary!

• MyLibrary! 3.4.2 Release Notes (PDF)