Issues

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

  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

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

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

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

• [Bug]: Form XObjects are decompressed again on every Do, matplotlib scatter plots parse ~5x slower since 5.4.624

  mozilla/pdf.js#22264 · Filter by author Prafyl opened on Oct 20, 2026

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

  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

  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

  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

  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

• [Bug]: Ticking the second box of a Yes/No check box pair saves the field as /V /Off

  annotations
  mozilla/pdf.js#22183 · Filter by author daniel-alexander4 opened on Oct 14, 2026

• [Bug]: No scroll navigation when undoing an ink annotation deletion

  editor
  mozilla/pdf.js#22158 · Filter by author LoukasPap opened on Oct 12, 2026

• [Bug]: extractPages ignores form field values and edits of existing annotations in the annotation storage

  split-merge-organize
  mozilla/pdf.js#22132 · Filter by author AlexAndBear opened on Oct 11, 2026
  1

• TextLayerBuilder: global selection listeners are never re-bound after the viewer that registered them is aborted while another text layer is alive

  viewer
  mozilla/pdf.js#22129 · Filter by author JDL747 opened on Oct 10, 2026

• [Bug]: extractPages drops catalog entries like XMP metadata, /Lang, /MarkInfo and /PageMode

  split-merge-organize
  mozilla/pdf.js#22125 · Filter by author AlexAndBear opened on Oct 9, 2026
  2

  

• [Bug]: Draw undo removes more than just the last line/stroke

  editor
  mozilla/pdf.js#22110 · Filter by author teifio opened on Oct 9, 2026

• [Feature]: Add keyboard shortcuts to exit the annotation tool and switch between annotation modes

  editorrequires-feedback-from-ux-ui
  mozilla/pdf.js#22088 · Filter by author matthieu-mastio opened on Oct 6, 2026