Released O&K Print Watch 4.19.0.5257

February 24, 2026 O&K Print Watch 4.19.0.5257.

Improved subscription licensing model:

Flexible scalability for organizations of any size.
Simplified license management.
Improved performance.
Removed database query limitations for subscription licenses.

Full support for TSPL (TSC Printer Language) added:

Print monitoring for TSC barcode and label printers
Page counting for TSPL documents
Print job content preview
Integration with the existing reporting system

Web interface improvements:

Report filters are saved in cookies
Period and filter parameters are preserved between sessions
Improved user experience in the web interface

Server improvements and fixes:

Optimized PDF copy generation of printed documents (reduced database load)
Fixed calculation of the “Every Month” report delivery period
Fixed database upgrade error
Fixed user print quota deletion issue
Fixed MSI service removal issue
Fixed license verification issue when using remote mailslots