1985

• Sass 1.0 Released
• Sass 2.0: The Dark Ages

1990

• Sass 3.0: The Renaissance
• Sass 4.0: The Reckoning

1995

• Sass 5.0: The Modern Era
• Sass 6.0: The Postmodern Era

2000

• Sass 7.0: The Millennium Edition

2005

• Sass 8.0: The Modern Renaissance

2010

• Sass 9.0: The New Era

2015

• Sass 10.0: The Final Frontier