Hi all, Debian unstable has upgraded many haskell related packages. # apt dist-upgrade Upgrading: ghc libghc-magic-doc libghc-splitmix-prof ghc-doc libghc-magic-prof libghc-temporary-dev ghc-prof libghc-network-dev libghc-temporary-doc libghc-alsa-core-dev libghc-network-doc libghc-temporary-prof libghc-alsa-core-doc libghc-network-prof libghc-utf8-string-dev libghc-alsa-core-prof libghc-primitive-dev libghc-utf8-string-doc libghc-alsa-mixer-dev libghc-primitive-doc libghc-utf8-string-prof libghc-alsa-mixer-doc libghc-primitive-prof libghc-x11-dev libghc-alsa-mixer-prof libghc-random-dev libghc-x11-doc libghc-data-default-class-dev libghc-random-doc libghc-x11-prof libghc-data-default-class-doc libghc-random-prof libghc-x11-xft-dev libghc-data-default-class-prof libghc-regex-base-dev libghc-x11-xft-doc libghc-extensible-exceptions-dev libghc-regex-base-doc libghc-x11-xft-prof libghc-extensible-exceptions-doc libghc-regex-base-prof libghc-xmonad-contrib-dev libghc-extensible-exceptions-prof libghc-regex-posix-dev libghc-xmonad-contrib-doc libghc-ghc-paths-dev libghc-regex-posix-doc libghc-xmonad-contrib-prof libghc-ghc-paths-doc libghc-regex-posix-prof libghc-xmonad-dev libghc-ghc-paths-prof libghc-safe-exceptions-dev libghc-xmonad-doc libghc-hint-dev libghc-safe-exceptions-doc libghc-xmonad-prof libghc-hint-doc libghc-safe-exceptions-prof libghc-xmonad-wallpaper-dev libghc-hint-prof libghc-setlocale-dev libghc-xmonad-wallpaper-doc libghc-integer-logarithms-dev libghc-setlocale-doc libghc-xmonad-wallpaper-prof libghc-integer-logarithms-doc libghc-setlocale-prof node-async libghc-integer-logarithms-prof libghc-splitmix-dev libghc-magic-dev libghc-splitmix-doc Installing dependencies: libnuma-dev REMOVING: libghc-attoparsec-dev libghc-hashable-doc libghc-libmpd-prof libghc-xmonad-extras-dev libghc-attoparsec-doc libghc-hashable-prof libghc-scientific-dev libghc-xmonad-extras-doc libghc-attoparsec-prof libghc-libmpd-dev libghc-scientific-doc libghc-xmonad-extras-prof libghc-hashable-dev libghc-libmpd-doc libghc-scientific-prof libjs-async I think it is safe to upgrade but I would like to know the opinion of those who master this subject. Best regards, Alain