Issues

• [Bug]: A radio group set by a script before its page renders shows the wrong button checked, and every button stores false

  mozilla/pdf.js#22393 · Filter by author yhay81 opened on Oct 30, 2026

• [Bug]: "Invalid Root reference." when an invalid XRef stream precedes a valid one

  mozilla/pdf.js#22370 · Filter by author andrewfader opened on Oct 28, 2026

• [Bug]: Unhandled rejection when a document that failed to load after a network error is destroyed

  mozilla/pdf.js#22366 · Filter by author andrewfader opened on Oct 28, 2026

• [Feature]: Support interactively setting pushbutton icon images ( /MK/I ) aka character sheet portraits

  annotationsrequires-feedback-from-ux-ui
  mozilla/pdf.js#22345 · Filter by author lunarcloud opened on Oct 27, 2026
  1

• [Editor] "Cannot read properties of null (reading 'addButton')" when deleting a FreeText editor that is in edit mode

  editor
  mozilla/pdf.js#22341 · Filter by author gabboclaa opened on Oct 26, 2026
  1

• [Bug]: Text layer words before wide in-flow gaps (TeX dot leaders) are shifted off their glyphs

  text-selection
  mozilla/pdf.js#22325 · Filter by author yhay81 opened on Oct 23, 2026

• [Bug]: Link annotation border width does not scale with viewer zoom

  annotations
  mozilla/pdf.js#22310 · Filter by author krflol opened on Oct 23, 2026

• findContrastColor does not linearize luminance (output.map result is discarded)

  core
  mozilla/pdf.js#22300 · Filter by author Huang-404-Q opened on Oct 22, 2026
  1

• [Bug]: After opening another document, new drawings take the previous document's zoom for their stroke width

  editor
  mozilla/pdf.js#22272 · Filter by author yhay81 opened on Oct 20, 2026

• [Bug]: A FreeText editor restored from a clone moves up by its font size

  editor
  mozilla/pdf.js#22271 · Filter by author yhay81 opened on Oct 20, 2026
  1

• [Bug]: After a page is rendered again, undo removes an earlier highlight or drawing instead of the last edit

  editor
  mozilla/pdf.js#22270 · Filter by author yhay81 opened on Oct 20, 2026

• [Bug]: Rendering is much slower after scrolling that when "jumping" via page number

  performanceviewer
  mozilla/pdf.js#22263 · Filter by author nicolo-ribaudo opened on Oct 20, 2026
  2

  

• [Bug]: Dragging a selection up into the page above selects that whole page in WebKit and Firefox

  text-selection
  mozilla/pdf.js#22259 · Filter by author yhay81 opened on Oct 20, 2026

• [Bug]: Text layer spans are scaled against the wrong font when the PDF has no /Lang and the page has a lang

  text-selection
  mozilla/pdf.js#22258 · Filter by author yhay81 opened on Oct 20, 2026

• [Bug]: Knockout groups composite every element over the whole group canvas, which makes small groups expensive to render

  core
  mozilla/pdf.js#22256 · Filter by author yhay81 opened on Oct 20, 2026

• [Feature]: Option of adding a new/empty page in the pdf viewer

  requires-feedback-from-ux-ui
  mozilla/pdf.js#22246 · Filter by author KyleKlus opened on Oct 19, 2026

• Upgrade eslint-plugin-unicorn to version 78+

  dependencies
  mozilla/pdf.js#22244 · Filter by author timvandermeij opened on Oct 18, 2026

• Upgrade typescript to version 7+

  dependenciestypes
  mozilla/pdf.js#22243 · Filter by author timvandermeij opened on Oct 18, 2026

• [Bug]: PDFViewerOptions omits five options read by the PDFViewer constructor

  viewer
  mozilla/pdf.js#22213 · Filter by author AlexAndBear opened on Oct 16, 2026

• [Feature]: Preserve existing annotation authors in data passed to a CommentManager

  viewer
  mozilla/pdf.js#22211 · Filter by author AlexAndBear opened on Oct 16, 2026

• [Bug]: Comments sidebar omits existing comments on underlines and sticky notes

  viewer
  mozilla/pdf.js#22210 · Filter by author AlexAndBear opened on Oct 16, 2026

• [Bug]: addEditListeners reports no selected editor although the annotation is still selected

  editor
  mozilla/pdf.js#22209 · Filter by author AlexAndBear opened on Oct 16, 2026

• [Bug]: Editing the comment of an existing underline is offered but the change is lost when saving

  editor
  mozilla/pdf.js#22208 · Filter by author AlexAndBear opened on Oct 16, 2026

• [Bug]: Committing and immediately resuming a FreeText editor loses the caret after a deferred DOM move

  editor
  mozilla/pdf.js#22207 · Filter by author AlexAndBear opened on Oct 16, 2026

• [Bug]: After rotation, the position of the graphics and comemnt is incorrect

  annotations
  mozilla/pdf.js#22194 · Filter by author chenhao86 opened on Oct 15, 2026