On Sat, 27 Jan 2018 18:32:56 +0100, David Runge wrote: >Please note: If you now do a `pacman -Syu` (with the >[community-testing] repo still enabled in /etc/pacman.conf), you'll >update your system with everything that's newer in [community-testing] >in comparison to [community] (the first has precedence)! Better do not enable testing, buts simply install the package you wish to test by pacman -S URL_of_the_package_location The only drawback is that pacman -Sc does not remove the "signature" file from /var/cache/pacman/pkg/, you need to do it manually using "rm". -- https://www.schneier.com/blog/archives/2018/01/spectre_and_mel_1.html