Released O&K Print Watch 4.19.0.5309

August 5, 2026 — O&K Print Watch 4.19.0.5309

• Expanded TSPL2 support for barcode and label printers
  • Added support for the BLOCK command.
  • Added support for Data Matrix 2D barcodes using the DMATRIX command.
  • Improved print size detection when converting TSPL2 documents.
• Print server improvements and fixes
  • Improved stability when processing large registry values.
  • Added an option to disable telemetry.
• Web interface fixes
  • Fixed issues with adding and deleting paper groups.