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Release history

PDAS - What's New

Every release of PDAS - Plagiarism Detector Accumulator Server, newest first. The build at the top is the one you download today.

Current version
Build 846
Released November 1, 2026
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New new feature Improved better or faster Fixed bug fix
  1. 2026

  2. Build 846

    Current
    • ImprovedThe PDAS setup and remover are signed with a renewed code-signing certificate.
    • NewRedesigned Subscription screen, with one-click access to your account on our website.
    • FixedFixed cut-off and overlapping text on the Subscription screen, and names containing '&'.

  3. Build 845

    • ImprovedStability and performance improvements.

  4. Build 844

    • ImprovedStability and performance improvements.

  5. Build 843

    • ImprovedPDAS now waits between reconnection attempts while the database is down.

  6. Build 842

    • ImprovedStability and performance improvements.

  7. Build 841

    • FixedThe Control Center fills its fields in again as soon as the database is back.

  8. Build 840

    • ImprovedThe Control Center no longer shows outdated values while the database is unavailable.

  9. Build 839

    • ImprovedThe Control Center no longer shows outdated values while the database is unavailable.

  10. Build 838

    • FixedThe Control Center now reconnects to the database automatically after a connection loss.

  11. Build 837

    • FixedThe Control Center now reconnects to the database automatically after a connection loss.

  12. Build 836

    • ImprovedStability and performance improvements.

  13. Build 835

    • ImprovedStability and performance improvements.

  14. Build 834

    • ImprovedStability and performance improvements.

  15. Build 833

    • ImprovedStability and performance improvements.

  16. Build 832

    • ImprovedStability and performance improvements.

  17. Build 831

    • ImprovedPDAS now uninstalls through a digitally signed remover.

  18. Build 830

    • ImprovedPDAS now installs through a digitally signed setup.

  19. Build 829

    • FixedDatabase searches now find documents that are identical to stored ones.

  20. Build 828

    • FixedDocument Manager now counts the matches of your search, not the whole collection.

  21. Build 827

    • FixedThe uninstaller no longer reports a false log upload error.

  22. Build 826

    • ImprovedStability and performance improvements.

  23. Build 825

    • ImprovedNew MariaDB 11.4 database engine.
    • FixedFixed the Control Center failing to connect to the database.
    • FixedDatabase searches now return the matching sources.
    • FixedFailed jobs are now marked as failed, with the reason shown.
    • FixedMore reliable setup start on systems with elevated or restricted accounts.

  24. Build 809

    • NewPDAS can now be installed before Plagiarism Detector; setup explains what is needed and opens the download page.
    • ImprovedCompletely updated web and database engine (Apache 2.4, PHP 8.4, MariaDB 11.4) for better security and reliability.
    • ImprovedMore reliable installation on clean machines.
    • FixedFixed license detection and document capacity limits for each PDAS edition.

  25. Build 808

    • ImprovedNew, modernized installer.

  26. Build 804

    • NewKeeps your organization's own documents in a local database so Plagiarism Detector can check new work against them.
    • NewControl Center to add, index and manage documents, running as Windows services on your own server.

Looking for the desktop app? See what's new in Plagiarism Detector.

Understanding Plagiarism

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Plagiarism Detection

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