Ludovic Courtès skribis: > The custom input/output port wrapping the TLS session record port would > introduce overhead, and it would also prevent its uses in a non-blocking > context--e.g., with Fibers. The port close mechanism added in GnuTLS > 3.7.7 allows us to get rid of that wrapper. And here’s the GnuTLS 3.7.7 package to test it; you need to make sure to have 3.7.7 on your load path, for instance by running: ./pre-inst-env guix shell -D guix guile gnutls@3.7.7 Ludo’.