Hi there!
MLInvoice 1.19.0 has been released. This release includes a few major features and some fixes, most notably support for Postita.fi Finvoice/mailing service, easier installation and Docker support. See https://www.labs.fi/mlinvoice_features.eng.php#changelog for full changelog. Installation package and instructions are available at https://www.labs.fi/mlinvoice_installation.eng.php. Also automatic update is available.
Regards,
Ere