The License Manager paid extension has been updated and can be found in the download area (login and purchase required) by the name license_manager-2018-02-20.zip
What's changed?
Allow IPv4 & IPv6 simultaneously. Allows 1 IPv4 & 1 IPv6 address by default
Fixed issue where license data was not returned from the license server for suspended or cancelled licenses
Fixed issue where clients could re-issue licenses even if this was disabled in the module