Issues

• *cupsPreFilter: "application/pdf ..." never runs with cups-filters 2.x (PDF goes to vnd.universal-input via a null filter)

  OpenPrinting/cups-filters#764 · Filter by author cheezecat opened on Oct 20, 2026

• printing landscape mode produces portrait output, and vice versa

  OpenPrinting/cups-filters#761 · Filter by author DrMartinus opened on Oct 16, 2026
  1

• foomatic-rip: dstrtrim_right() underflows mid-loop on an all-whitespace string

  OpenPrinting/cups-filters#759 · Filter by author ManasBagul23 opened on Oct 13, 2026

• foomatic-rip: dstrfixnewlines() underflows ds->len on an empty or 1-char string

  OpenPrinting/cups-filters#757 · Filter by author ManasBagul23 opened on Oct 13, 2026

• Foomatic pxlcolor prints long-edge duplex as short-edge when sides=two-sided-long-edge is set

  OpenPrinting/cups-filters#743 · Filter by author t0cc opened on Oct 9, 2026

• Duplex back pages rotated 180° (EPSON L4260)

  OpenPrinting/cups-filters#742 · Filter by author TonyYanTony opened on Oct 4, 2026
  1

• PDF pages which include the same graphics more than once not printed

  OpenPrinting/cups-filters#729 · Filter by author Photon89 opened on Sep 18, 2026
  4

• bannertopdf generates damaged PDF that pdftopdf/qpdf rejects — GNOME Test Page fails with universal filter failed

  OpenPrinting/cups-filters#728 · Filter by author hannad4 opened on Sep 17, 2026
  2

• Universal filter check error in configure.ac

  OpenPrinting/cups-filters#724 · Filter by author ValdikSS opened on Sep 5, 2026

• pdftopdf injects an unwanted 90° rotation on an already-correctly-oriented PDF, unless orientation-requested is explicitly forced

  OpenPrinting/cups-filters#723 · Filter by author RefinsMaster opened on Sep 3, 2026
  4

• HP OfficeJet Pro 9010: driverless URF job fails when N-up and duplex are combined

  OpenPrinting/cups-filters#721 · Filter by author Calvin-Browne opened on Aug 26, 2026
  2

• HP Smart Tank 7600 does not eject the last sheet after automatic duplex printing of documents with an odd number of pages (IPP Everywhere)

  OpenPrinting/cups-filters#708 · Filter by author Guenter-tech opened on Jul 21, 2026

• Driverless IPP Everywhere: PDF jobs complete successfully but produce no output on Brother HL-3172CDW

  OpenPrinting/cups-filters#703 · Filter by author Mittlebenskrise opened on Jul 14, 2026

• Mirror Printing "lpr -o mirror filename" doesn't work.

  OpenPrinting/cups-filters#700 · Filter by author pareshpanigrahy opened on Jul 2, 2026
  2

• imagetoraster dithering without gamma, too dark image

  OpenPrinting/cups-filters#699 · Filter by author ValdikSS opened on Jun 28, 2026
  1

• PPD attributes values

  OpenPrinting/cups-filters#698 · Filter by author dhejyuyr opened on Jun 26, 2026

• Division by zero

  OpenPrinting/cups-filters#689 · Filter by author CryptoPirat3 opened on Apr 14, 2026

• Division by zero

  OpenPrinting/cups-filters#688 · Filter by author CryptoPirat3 opened on Apr 14, 2026

• Abort signal imagetopdf

  OpenPrinting/cups-filters#687 · Filter by author CryptoPirat3 opened on Apr 14, 2026

• Abort signal imagetopdf

  OpenPrinting/cups-filters#686 · Filter by author CryptoPirat3 opened on Apr 14, 2026

• Abort signal imagetoraster

  OpenPrinting/cups-filters#685 · Filter by author CryptoPirat3 opened on Apr 14, 2026

• Ghostscript CUPS device lacks multi-threading

  OpenPrinting/cups-filters#668 · Filter by author ValdikSS opened on Jan 4, 2026
  1

• Raster filter crops to ImageableArea, PDF filter fills blank to PaperDimension

  OpenPrinting/cups-filters#666 · Filter by author ValdikSS opened on Dec 28, 2025
  3

• cups fails to detect duplexer on HP m479fdw printer; this is a regression

  OpenPrinting/cups-filters#665 · Filter by author jikamens opened on Dec 15, 2025
  5

• HP LaserJet Pro 4002 ignores InputSlot when using driverless

  OpenPrinting/cups-filters#664 · Filter by author ronnybremer opened on Nov 12, 2025
  1