EPLPrinter Web API for Docker – Release Notes & Change Log

All releases of EPLPrinter Web API for Docker, newest first. The latest version is v3.0.6, released on 2026-01-26. Images for amd64 and arm64 are published on Docker Hub:

Use the -arm64 tag suffix on ARM hosts. See the Quick Start and License Registration on the product page.

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 Change Log

• 3.0.6 2026-01-26
  • CRITICAL Fixed! Port 80 is no longer the default port. Changed to port 8080. This change now allows non-root users.
  • Fixed! Updated all third-party libs and dependencies that are free of known vulnerabilities.
  
  
• 3.0.5 2025-05-21
  • New! Added support for parameter SWAGGER_UI_ENABLED to enable/disable Swagger UI.
  
  
• 3.0.4 2024-12-31
  • New! Added curl to Linux AMD image.
  • New! Added support for parameter USE_HTTPS_REDIRECTION to enable/disable auto HTTPS redirection.
  
  
• 3.0.3 2024-10-10
  • Fixed! Z command was not being parsed.
  
  
• 3.0.2 2024-06-03
  • Fixed! GW parsing when LF char is part of the encoded data.
  
  
• 3.0.1 2024-04-24
  • Fixed! Added HTTP Response Headers for security.
  
  
• 3.0 2023-12-06
  • New! Support for TS (Set Real-Time Clock) command.
  • New! Support for TD (Date Recall & Format Layout) command.
  • New! Support for TT (Time Recall & Format Layout) command.
  • New! Added HP PCL Binary output format rendering. This allows converting EPL commands to HP PCL graphic format.
  • New! Added EnablePrinting prop to format the output rendering commands for printing scenarios.
  
  
• 2.0 2023-03-16
  • New! Added support for FE (End Form Store), FK (Delete Form), FR (Retrieve Form) and FS (Store Form) forms-related commands.
  • New! Added support for V (Define Variable) command.
  • New! Added support for C (Counter) command.
  • New! Added support for ? (Download Variables) command.
  • New! Added InvertColors property to reverse the pixel colors of the output image.
  • New! Added CompressionQuality property to specify the compression quality level of the output image (JPG/JPEG format only).
  • New! Automatic PNG output optimization reducing the file/stream size.
  • New! Added traceRenderedElements property. It will return the list of EPL commands that are rendered including the location and size. Available for JSON outputs only.
  
  
• 1.0.4 2022-06-30
  • Fixed! Maxicode rendering when max data capacity needs to be encoded
  • Fixed! DataMatrix module size setting
  • Fixed! PDF417 rendering size and location
  • Fixed! GW parsing when present with an invalid format
  
  
• 1.0.3 2022-06-24
  • Fixed! Maxicode encoding when no LPM is specified.
  • Fixed! Maxicode rendering location.
  
  
• 1.0.2 2022-06-11
  • Fixed! Commands parsing generate overlapped labels rendering.
  
  
• 1.0.1 2022-05-04
  • Fixed! Graphic commands parsing errors.
  
  
• 1.0 2022-03-16
  • New! Initial release.
  
  

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