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[Bug]: The "Attachments" and "Layers" labels are right-aligned in the sidebar toolbar

regression

viewer

Status: Open.

#20893 In mozilla/pdf.js;

· Snuffleupagus opened on Mar 16, 2026

[Bug]: Fix intermittent failure in the "must check that the comment sidebar is resizable with the keyboard" integration test

intermittent

test

Status: Open.

#20886 In mozilla/pdf.js;

· timvandermeij opened on Mar 15, 2026

Form XObject with extreme BBox values causes blank white page in Chromium-based browsers

chrome-specific

Status: Open.

#20872 In mozilla/pdf.js;

· pengkunbin opened on Mar 15, 2026

[Regression]: Printing broken in the Firefox PDF Viewer with debugging enabled

firefox-specific

printing

regression

Status: Open.

#20847 In mozilla/pdf.js;

· Snuffleupagus opened on Mar 11, 2026

[Bug]: Fix permafail in the "should reorder thumbnails after dropping two adjacent pages" integration test

test

Status: Open.

#20814 In mozilla/pdf.js;

· timvandermeij opened on Mar 5, 2026

[Bug]: Fix GitHub workflows errors for bot users

test

Status: Open.

#20813 In mozilla/pdf.js;

· timvandermeij opened on Mar 5, 2026

[Bug]: PDF title displayed incorrectly when multiple language titles present in XMP metadata

core

Status: Open.

#20801 In mozilla/pdf.js;

· arthomnix opened on Mar 4, 2026

[Bug]: Screenreader support in PDFjs 5.x not working as expected

accessibility

Status: Open.

#20790 In mozilla/pdf.js;

· timonvanhasselt opened on Mar 4, 2026

[Bug]: math symbols missing on printout

printing

Status: Open.

#20786 In mozilla/pdf.js;

· kbucheli opened on Mar 3, 2026

[Bug]: Side panel new layout: UX is much worse comparing to old layout

regression

ux

viewer

Status: Open.

#20739 In mozilla/pdf.js;

· contributor opened on Feb 26, 2026

[Bug]: pdf.js doesn't lex 5f properly

corrupted-pdf

Status: Open.

#20735 In mozilla/pdf.js;

· jrmuizel opened on Feb 25, 2026

[Bug]: Comment/highlight buttons cut off at bottom of page

editor

Status: Open.

#20700 In mozilla/pdf.js;

· Jap2-0 opened on Feb 21, 2026