Public keys can be found at https://www. klomp.org/mark/gnupg-pub.txt
Please give it a try in configurations that are important for you and report any problems you have via our bug tracker at https:// bugs.kde.org/enter_bug.cgi?product=valgrind
Unless showstopper bugs are found (and cannot be easily fixed) the final 3.28.0 release is scheduled for this Fri Oct 23.
Note that our mailinglists at sourceforge.net seem to currently be unavailable. Not a great time to have that problem...