Guest editorial to the Special Issue on Component-Based Software Engineering and Software Architecture

• Introduces the Special Issue on CBSE and Software Architecture.
• Presents the CompArch'12 event and its constituent conferences CBSE, QoSA, ISARCS.
• Introduces the papers included in this Special Issue (best papers from CompArch'12).

This paper introduces the Special Issue on Component-Based Software Engineering and Software Architecture, which contains extended versions of a selection of the best papers presented at the CompArch 2012 conference, held in June 2012, in Bertinoro, Italy.