Four methodological contributions on Qualitative Comparative Analysis fully published in Quality & Quantity: “Contextual Analyses with QCA-Methods” by Thomas Denk and Sarah Lehtinen; “But not Both: The Exclusive Disjunction in Qualitative Comparative Analysis (QCA)” by Ursula Hackett; “Parameters of Fit and Intermediate Solutions in Multi-Value Qualitative Comparative Analysis” by Alrik Thiem and “Parsimony and Causality” by Michael Baumgartner. Three further QCA articles as advance online publications: “Analyzing Multilevel Data with QCA: Yet Another Straightforward Procedure” by Alrik Thiem; “ Analysing Necessity and Sufficiency with Qualitative Comparative Analysis: How do Results Vary as Case Weights Change?” by Barry Cooper and Judith Glaesser; and “ Why Simulations are Appropriate for Evaluating Qualitative Comparative Analysis” by Ingo Rohlfing.