The main bug is here: https://savannah.gnu.org/bugs/?55093 https://savannah.gnu.org/bugs/?55093 But I do recall some other post which went into more details an

The main bug is here: https://savannah.gnu.org/bugs/?55093 https://savannah.gnu.org/bugs/?55093 But I do recall some other post which went into more details and was saying that switching was taking time due to lack of stable API and other issues. Try searching for grub 2 + libgcrypt. Some links are also in that bug.