# 3.7.8 (2021-04-14)
- The resolution has been improved when importing PDF file in dialog "Import File" on List page.
- Validation has been implemented in Findings, Impression and Comments on Report page.
- Fixed a bug that some files were not backed up on Daily Backup of database.
- Fixed a bug that setting of "First Day of Week" is not applied in dialog "Edit Share".
- Fixed a bug that sometimes validation does not work correctly in dialog "Import File" on List page.
- Fixed a bug that it fails to export PNG file when DICOM file is multi-frame in dialog "Export JPEG/PNG/BMP" on Viewer page.
- Fixed several other minor bugs.