1.6.6

What's Changed

• Allow free registration if paid in pilvytis by @Guillembonet in #5036
• Increase invoice timers during session by @tomasmik in #5057
• Settle with outdated promise if the update error is unkown (network, no host…) by @Guillembonet in #5053

Full Changelog: 1.6.5...1.6.6