This thematic series comprises the best papers from the 12th Brazilian Symposium on Components, Architecture, and Reuse (SBCARS 2018). The intent is to publish extended versions of the excellent work presented in the event in a journal format for a broader audience. SBCARS 2018 is part of the Brazilian Conference on Software: Theory and Practice (CBSoft), which was held in São Carlos-SP, Brazil, from September 17 to 21, 2018. a broader audience.
Edited by: Ingrid Nunes, Universidade Federal do Rio Grande do Sul (UFRGS), Brazil