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[Bug]: Performance regression - getAnnotations() is much slower since 5.3 due to eager text extraction under highlight annotations

annotations

performance

Status: Open.

#21442 In mozilla/pdf.js;

· majmaj7 opened on Jun 13, 2026

[Bug]: PDF.js fails to display emoji icons.

font-conversion

font-type3

Status: Open.

#21430 In mozilla/pdf.js;

· jikuanyu opened on Jun 11, 2026

[Feature]: Auto-update ToC/Outline item while scrolling

feature

requires-feedback-from-ux-ui

viewer

Status: Open.

#21422 In mozilla/pdf.js;

· turicfr opened on Jun 9, 2026

[Bug]: [PDF Viewer Extension] PDFs get closed automatically after Chrome relaunch, if they have been inside a tab group

chrome-extension

Status: Open.

#21410 In mozilla/pdf.js;

· bzmind opened on Jun 8, 2026

Intermittent failure in the should cut pages with Ctrl+X and paste them reorganize pages integration test

intermittent

test

Status: Open.

#21403 In mozilla/pdf.js;

· timvandermeij opened on Jun 7, 2026

[Bug]: Annotation editor preview does not match the final rendered PDF

editor

Status: Open.

#21401 In mozilla/pdf.js;

· ifurnadjiev opened on Jun 7, 2026

[Bug]: Incorrect rendering of some fonts at intersection of shapes

font-conversion

upstream

Status: Open.

#21353 In mozilla/pdf.js;

· MDLC01 opened on May 28, 2026

Update the Babel plugin to remove unused top-level constants

other

Status: Open.

#21337 In mozilla/pdf.js;

· Snuffleupagus opened on May 26, 2026

[Bug]: wrong bullet points on Edge

edge-specific

font-conversion

Status: Open.

#21303 In mozilla/pdf.js;

· janekh opened on May 20, 2026

[Feature]: Feature request: configurable Ctrl+scroll wheel zoom sensitivity

feature

requires-feedback-from-ux-ui

viewer

Status: Open.

#21297 In mozilla/pdf.js;

· OndrejKubu opened on May 19, 2026

Unused l10n ids

l10nLocalizationLocalization

test

Status: Open.

#21270 In mozilla/pdf.js;

· Snuffleupagus opened on May 14, 2026

[Feature]: Homogénéité du style

requires-feedback-from-ux-ui

ux

viewer

Status: Open.

#21250 In mozilla/pdf.js;

· lorimode opened on May 10, 2026