Minor editing, but I still see (setting-constant nil)

README.org

@@ -2251,7 +2251,9 @@ backward compatibility. See table [[tab:org-latex-class-tag-placeholder]] and ty
     unicode=true,
     urlcolor=blue,
   }\n")
+     `,(if (version< emacs-version "28.9.9")
            '(org-latex-listings 'minted)
+         '(org-latex-src-block-backend 'minted))
      '(org-latex-minted-langs '((cc "c++")
                                 (conf "text")
                                 (cperl "perl")
@@ -2355,6 +2357,7 @@ configuration.
        '(org-cite-export-processors '((latex biblatex)
                                       (t csl)))
        '(org-cite-global-bibliography '("~/VCS/research/refs.bib")))
+
       (when (require 'citar nil 'noerror)
         (custom-set-variables
          '(org-cite-activate-processor 'citar)
@@ -2498,7 +2501,7 @@ listings below make* [[https://github.com/tecosaur/engrave-faces#readme][Engrave
   environments and non-floating breakable LaTeX environments by means of
   `org-latex-engraved-source-block-filter'."
     (interactive)
-    (autoload 'org-latex-src-block-backend "ox-latex" nil 'noerror)
+    (when (require 'ox-latex nil 'noerror)
       (setq-local org-latex-src-block-backend 'engraved
                   org-latex-engraved-preamble "\\usepackage{fvextra}
   [FVEXTRA-SETUP]
@@ -2534,7 +2537,7 @@ listings below make* [[https://github.com/tecosaur/engrave-faces#readme][Engrave
     left=2pt, right=2pt, top=1pt, bottom=1pt,
   }
 
-  [LISTINGS-SETUP]"))
+  [LISTINGS-SETUP]")))
 #+end_src
 
 #+caption[Fix engraving of symbolic color names]: