Works:
curl --tlsv1.2 --proto =https https://www.torproject.org/projects/torbrowser/RecommendedTBBVersions
Does not work with check.torproject.org
Tor Project upstream bug report:
trac.torproject.org/projects/tor/ticket/13972
TODO:
- recheck after port to Debian version 9 codename Stretch if there are any newer curl TLS options
enable higher TLS versions for whonixcheck / https://check.torproject.org for Whonix 14