We are happy to announce the release of Spot 2.1.1. You can find the new release here: http://www.lrde.epita.fr/dload/spot/spot-2.1.1.tar.gz See https://spot.lrde.epita.fr/ for documentation and installation instructions. Spot 2.1.1 contains some very minor fixups, and a few command-line improvements that should really have been part of 2.1. As always, please direct any feedback to <spot@lrde.epita.fr>. New in spot 2.1.1 (2016-09-20) Command-line tools: * ltlfilt, randltl, genltl, and ltlgrind learned to display the size (%s), Boolean size (%b), and number of atomic propositions (%a) with the --format and --output options. A typical use-case is to sort formulas by size: genltl --dac --format='%s,%f' | sort -n | cut -d, -f2 or to group formulas by number of atomic propositions: genltl --dac --output='ap-%a.ltl' * autfilt --stats learned the missing %D, %N, %P, and %W sequences, to complete the existing %d, %n, %p, and %w. * The --stats %c option of ltl2tgba, autfilt, ltldo, and dstar2tgba now accepts options to filter the SCCs to count. For instance --stats='%[awT]c' will count the SCCs that are (a)ccepting and (w)eak, but (not t)erminal. See --help for all supported filters. Bugs fixed: * Fix several cases where command-line tools would fail to diagnose write errors (e.g. when writing to a filesystem that is full). * Typos in genltl --help and in the man page spot-x(7). -- Alexandre Duret-Lutz