Pro 2 Software Release Notes

Pro 2 1.6.21 (08/25/2026)

New Features:

  • Optical Polish Tank is now supported, including RFID detection, kit-level parameter
    reading, tank mismatch pre-print error handling, and a new detected prompt when no
    resin is selected
  • IPv6 support has been added

Bug Fixes:

  • The heating countdown no longer pauses or gets stuck at 1 second when viewing the 3D
    preview during heating
  • The material selection page now appears correctly when installing a new resin tank
    regardless of build platform status
  • Software updates now complete correctly during the FTUE setup flow
  • After scanning materials in AutoPrint, the scanning switch is now correctly turned off
  • AutoPrint now correctly displays print time and material usage when print time is 1 hour
    or more
  • Printing can no longer start when the optical panel is removed
  • Resin tank status now correctly shows "Replace Now" on the pre-print screen when
    required
  • The material selection page no longer appears unexpectedly after login or when opening
    AutoPrint
  • Clicking "View in Queue" from the Receiving Queue page no longer triggers the scanner
    light or causes a crash
  • "Print Now" and "View in Queue" now work correctly from the Manual Resin selection
    page
  • The LAN connection status is now accurately reflected after a restart
  • After restoring factory settings, the wired IP setting now defaults to Automatic
  • Tapping the Wi-Fi button on the 3D preview page during printing no longer causes the
    print page to disappear
  • Shared jobs sent between accounts now retain their original name
  • Shared jobs deleted during download no longer reappear
  • The login screen no longer stays stuck on "Signing in" on poor networks
  • The printer no longer becomes unresponsive when tapping Back on the DMK resin tank
    update page
  • The lid lock is now correctly released when printing is cancelled due to excessive LED
    temperature
  • OP tank-related text is now displayed in the correct device language
  • Pro 2 no longer freezes mid-print with the platform stuck in the tank
  • Localization inconsistencies in French on the printer settings page have been corrected
 
 

Pro 2 1.5.26 (08/25/2026)

New Features:

  • Improved the detection of debris and other potential print failures during printing

Bug Fixes:

  • Print jobs freezing mid-print have been resolved
  • The Print Now option is now correctly disabled during an active print to prevent UI inconsistency
  • Printer status is now correctly updated when preheat is canceled
  • A crash that occurred after logging out and tapping the account icon has been fixed
  • The lid lock is now released correctly when a print is canceled due to low temperature
  • LAN status is now correctly cleared after disconnection, and no longer blocks Wi-Fi reconnection
  • An issue where AutoPrint occasionally sent two queue entries for a single job has been resolved
  • The printer no longer redirects to the connectivity page when returning to settings
  • Print jobs interrupted by a power cycle are now correctly added to History
  • Multiple localization issues causing text overlap, truncation, and incorrect translations across
    French, Italian, Spanish, Japanese, and German have been addressed
 
 

Pro 2 1.4.31 (05/06/2026)

New Features:

  • You can now view a 3D preview of your print job in Queue and History
  • A comprehensive update to the Duo Kit UI for an improved printing and updating experience

Bug Fixes:

  • Improved Duo Kit reliability in poor network environments
  • Wi-Fi now automatically reconnects to your network after Pro 2 restarts
  • Fixed an issue that was affecting resin synchronization between SprintRay Cloud and Pro 2
  • AutoPrint reliability was improved, fixing duplicate jobs, stuck “Preparing Print Job” screens, time display, deselect-all behavior, and missing error notification emails
  • Software updates will now automatically download and restart the device instead of requiring separate inputs for each action
  • Fixed an issue where selecting a language didn’t properly highlight your selection
  • Various other UI fixes and performance improvements
 
 

Pro 2 1.3.25 (03/03/2026)

New Features:

  • AutoPrint is now supported on Pro 2

Bug Fixes:

  • Corrected regional date and time shown to match device location
  • Device date sync issues affecting last check reporting were fixed
  • UI text overlap issues across multiple screens in multiple languages were resolved on Pro 2
  • Empty file uploads from advanced diagnostics USB export were fixed on Pro 2
  • Incorrect kit platform and tank display in device information was fixed on Pro 2
  • A crash when selecting Try Again on the update failure page was resolved
  • Resin tank issues for arch and standard kits were corrected
  • Missing print info and remaining time in German were resolved
  • Other UI fixes and performance improvements
 
 

Pro 2 1.2.0 (08/16/2025)

New Features:

  • Added Duo Kit support
  • USB files are now sorted in alphabetically and filtered out unsupported files
  • Pro 2 will support plaid mode when enabled to shorten printing speed with Arch Kit

Bug Fixes:

  • The missing low temperature icon at low temperatures was fixed
  • Inconsistent prompts between home and device pages when installing an incompatible resin tank were corrected
  • A condition where the printer did not start or exit sleep with direct print was fixed
  • An unresponsive settings button was fixed
  • An issue preventing account sign-out was fixed
  • A scan error where the camera did not turn on after selecting resin during FTUE was fixed
  • Other UI fixes and performance improvements
 
 

Pro 2 1.1.0 (06/11/2025)

New Features:

  • New feature "Preheating" added to warm up resin before starting a print
  • USB files are now sorted in alphabetical order
  • New language added: Japanese

Bug Fixes:

  • Abnormal badge modification behavior was corrected
  • Countdown display was corrected to show accurate time on Pro 2
  • A missing comma was added to the keyboard on Pro 2
  • Various other UI fixes and performance improvements
 
 

Pro 2 1.0.9 (03/11/2025)

New Features:

  • Pro 2 will now play a completion sound when a print job is finished
  • Traditional Chinese language support added
  • Added the ability to initiate and manage resin preheating from the home screen
  • The printer will automatically go into sleep mode when the printer is idle to save power

Bug Fixes:

  • Fixed an issue that caused the printer to get stuck in an update loop when updating firmware
  • The printer will no longer get stuck in a continuous cycle of checking for updates
  • Fixed an issue that was causing print jobs to freeze in the middle of printing
  • Fixed an issue where the printer wasn’t properly displaying its software version
  • Various other UI fixes and performance improvements
 
 

Pro 2 1.0.8 (12/04/2024)

New Features:

  • Improved connection to SprintRay Cloud
  • Your printer can now receive queued jobs even when not connected to SprintRay Cloud
  • Print job previews for Pro 2 are now visible on Dashboard
  • Improved the resin selection list

Bug Fixes:

  • Fixed an issue where QR codes were displaying improperly
  • Resolved an issue causing the printer to incorrectly indicate it was disconnected
  • Addressed several issues related to checking for updates
  • Added several missing badge notifications
  • Fixed multiple issues that were causing device crashes
  • Improved the accuracy of print time estimates and the progress bar
  • Various other UI fixes and performance improvements
 
 

Pro 2 1.0.7 (09/11/2024)

New Features:

  • Added support for Arch Kit accessory compatibility with Pro 2 printers
  • New notifications screens before starting a job to know if there are any errors that needs attention
  • Added DNS to manual networking configuration

Bug Fixes:

  • Keyboard disappears after multiple manual sign-ins.
  • Account remains logged in after FTUE restarts.
  • Various inconsistencies in UI elements, such as optical panel progress bar, and resin tank information not matching Figma designs.
  • Fixed freezing, inaccurate print time estimates, and problems with pre-heating and printing.
  • Resin tank and material scanning issues, including incorrect expiration date formats and unresponsive interfaces.
  • Issues with FTUE (First Time User Experience) processes, including inaccurate prompts and failure to handle expired materials properly.
  • Other UI fixes and performance improvements
 
 

Pro 2 1.0.6 (08/14/2024)

New Features:

  • A debris detection protocol will now run before every print job to prevent damage to the Optical Panel

Bug Fixes:

  • Fixed Static IP and other networking performance problems
  • Other UI fixes and performance improvements