See the NEWS file for a list of changes.
Octave users can usually install with pkg install -forge symbolic (from within Octave, no need to download anything from this page). You will need Python and SymPy installed.
File hashes
Octave package: symbolic-3.2.1.tar.gz
md5sum: 02e0cb39d309a3a2eaf78cd85f178cf6
sha256sum: d1a6ef4d12c48fc4412ceec380f398a6cd5180e518c131ba12683e9eb8f75460
Matlab packages
May return in a future release.