Hello, After moving ob-shell.el over to lexical binding (2108f0c), emacs -Q with "(require 'ob-shell)" reports
Debugger entered--Lisp error: (wrong-type-argument sequencep function) concat("org-babel-execute:" function) (intern (concat "org-babel-execute:" name)) [...] It seems to be the :initialize value of org-babel-shell-names that is problematic. -- Kyle