In this release, we fixed a serious bug related to signed e-mails.
New functions and enhancements
Unfortunately, no new features are delivered in this release.
Bug fixes and improvements
Critical ID 19843: Signed e-mails with XML attachments (XRechnung/UBL) are being lost
S/MIME-signed e-mails now reliably process embedded PDF and XML documents without requiring P7M files to be shared separately. Signature and container files are no longer transferred to downstream systems as documents.