Hi niceboomer,
Thanks for your patient waiting.
Glad to inform you that the reported issue has been resolved. Please download the newly released Spire.PDF Pack(Hot Fix) Version:6.7.8 from the following link.
Website link: https://www.e-iceblue.com/Download/down ... t-now.html
Nuget link: https://www.nuget.org/packages/Spire.PDF/6.7.8
Sincerely,
Rachel
E-iceblue support team