Issues

• Layout: NormaliseWhitespace turns U+202F NARROW NO-BREAK SPACE and U+2007 FIGURE SPACE into break points

  area/layoutbug
  Tim81/VellumPDF#562 · Filter by author Tim81 opened on Oct 6, 2026

• Docs: say that Conformance stamps a claim it does not check, on both Document and PdfDocument

  Tim81/VellumPDF#558 · Filter by author Tim81 opened on Sep 20, 2026 · v2.3.9 — Hardening: PDF/UA structure, conformance, reader, signing

• Layout: a negative line width is written as -3 w, which ISO 32000-2 8.4.3.2 forbids

  Tim81/VellumPDF#557 · Filter by author Tim81 opened on Sep 20, 2026 · v2.3.4 — Hardening: non-finite numbers and justified text

• Layout: the last list item on a page can lose a line while its space stays reserved

  Tim81/VellumPDF#556 · Filter by author Tim81 opened on Sep 20, 2026 · v2.3.4 — Hardening: non-finite numbers and justified text

• Layout: a justified multi-style standard-14 line advances each fragment by its unstretched width, so text overprints

  Tim81/VellumPDF#555 · Filter by author Tim81 opened on Sep 20, 2026 · v2.3.4 — Hardening: non-finite numbers and justified text

• Layout docs: behaviour found by probing after #542's review

  Tim81/VellumPDF#552 · Filter by author Tim81 opened on Sep 19, 2026
  7

• Layout: on a justified embedded-font line, a LinkUri rectangle is placed away from its text

  Tim81/VellumPDF#551 · Filter by author Tim81 opened on Sep 18, 2026 · v2.3.8 — Hardening: lists, links, page fit
  1

• Layout: a LinkUri link makes a PDF/UA-1 file fail ISO 14289-1 7.18.5 and 7.18.1

  Tim81/VellumPDF#550 · Filter by author Tim81 opened on Sep 18, 2026 · v2.3.9 — Hardening: PDF/UA structure, conformance, reader, signing

• Layout: an element exactly as tall as the content area can loop to the continuation limit

  Tim81/VellumPDF#549 · Filter by author Tim81 opened on Sep 18, 2026 · v2.3.8 — Hardening: lists, links, page fit

• Layout: justified text in a standard-14 font is stretched by half the slack

  Tim81/VellumPDF#548 · Filter by author Tim81 opened on Sep 18, 2026 · v2.3.4 — Hardening: non-finite numbers and justified text

• Layout: null arguments are stored and throw NullReferenceException from Save

  Tim81/VellumPDF#547 · Filter by author Tim81 opened on Sep 18, 2026 · v2.3.5 — Hardening: save lifecycle and guards

• Layout: pie totals, pie start angles and column widths overflow into empty output

  Tim81/VellumPDF#546 · Filter by author Tim81 opened on Sep 18, 2026 · v2.3.4 — Hardening: non-finite numbers and justified text

• Layout: nested unordered list markers draw as ? in the standard-14 fonts

  Tim81/VellumPDF#545 · Filter by author Tim81 opened on Sep 18, 2026 · v2.3.8 — Hardening: lists, links, page fit

• Layout: an embedded font handle from another Document saves a page with an undefined font

  Tim81/VellumPDF#544 · Filter by author Tim81 opened on Sep 18, 2026 · v2.3.5 — Hardening: save lifecycle and guards

• Layout: Row.Background can never take effect

  Tim81/VellumPDF#543 · Filter by author Tim81 opened on Sep 18, 2026 · v2.3.7 — Hardening: tables

• Kernel: BMP and TIFF allocate the raster before checking the pixel data is present

  Tim81/VellumPDF#536 · Filter by author Tim81 opened on Sep 14, 2026 · v2.3.6 — Hardening: image loaders and Standard 14 metrics

• Kernel: a conforming 32-bit BI_RGB BMP loads fully transparent

  Tim81/VellumPDF#535 · Filter by author Tim81 opened on Sep 14, 2026 · v2.3.6 — Hardening: image loaders and Standard 14 metrics

• Kernel: TiffImageLoader null options, a second ColorMap escape, and a 1GB allocation from 138 bytes

  Tim81/VellumPDF#534 · Filter by author Tim81 opened on Sep 14, 2026 · v2.3.6 — Hardening: image loaders and Standard 14 metrics
  1

• Kernel: BmpImageLoader refuses a valid 8-bpp BMP with a short palette, reporting it as truncated

  Tim81/VellumPDF#533 · Filter by author Tim81 opened on Sep 14, 2026 · v2.3.6 — Hardening: image loaders and Standard 14 metrics

• Layout: a negative-infinity list indent writes -Infinity into a nested item's text matrix

  Tim81/VellumPDF#532 · Filter by author Tim81 opened on Sep 13, 2026 · v2.3.4 — Hardening: non-finite numbers and justified text

• Layout: a null RunningBand template throws NullReferenceException from Save, not ArgumentNullException

  Tim81/VellumPDF#531 · Filter by author Tim81 opened on Sep 13, 2026 · v2.3.5 — Hardening: save lifecycle and guards

• Layout: a Document that threw during layout silently appends a second layout on the next save

  Tim81/VellumPDF#530 · Filter by author Tim81 opened on Sep 13, 2026 · v2.3.5 — Hardening: save lifecycle and guards
  1

• Docs: the Attention marker runs 17 to 1 against the reference's note register

  Tim81/VellumPDF#528 · Filter by author Tim81 opened on Sep 13, 2026 · Backlog
  1

• Signing: a signer's name is silently transliterated into Latin-1

  Tim81/VellumPDF#524 · Filter by author Tim81 opened on Sep 12, 2026 · v2.3.9 — Hardening: PDF/UA structure, conformance, reader, signing

• Six Add methods accept null and defer the failure to Save as a NullReferenceException

  Tim81/VellumPDF#523 · Filter by author Tim81 opened on Sep 12, 2026 · v2.3.5 — Hardening: save lifecycle and guards