This update covers 3 commits. Here are the overall diff statistics, and then the commit information.

toolkit/components/pdfjs/content/build/pdf.mjs | 10 +++++-----
toolkit/components/pdfjs/content/build/pdf.scripting.mjs | 4 ++--
toolkit/components/pdfjs/content/build/pdf.worker.mjs | 9 ++++++---
toolkit/components/pdfjs/content/web/viewer-geckoview.mjs | 7 ++++---
toolkit/components/pdfjs/content/web/viewer.css | 2 +-
toolkit/components/pdfjs/content/web/viewer.mjs | 7 ++++---
toolkit/components/pdfjs/moz.yaml | 4 ++--
7 files changed, 24 insertions(+), 19 deletions(-)

a6f0609a6e40db3f8b741b19aacff354f9d4647b by Jonas Jenwald

https://github.com/mozilla/pdf.js/commit/a6f0609a6e40db3f8b741b19aacff354f9d4647b
Authored: 2023-11-20 17:33:49 +0100
Committed: 2023-11-20 17:33:49 +0100

Throw a JpegError when a JPEG image has no frame data (issue 17302)

Given that there's nothing to parse in this case, since we're dealing with an invalid JPEG image, throwing an explicit Error makes sense here.

Files Modified:

• src/core/jpg.js

bd6c2a192c4727b952976db90038f905ac9e0358 by Calixte Denizet

https://github.com/mozilla/pdf.js/commit/bd6c2a192c4727b952976db90038f905ac9e0358
Authored: 2023-11-20 13:22:02 +0100
Committed: 2023-11-20 13:22:02 +0100

[Editor] Make the alt-text button large enough to display correctly whatever string

Files Modified:

• web/annotation_editor_layer_builder.css

53101b379b3aa5986f0fa61b6cad9e3ecb8dc852 by Calixte Denizet

https://github.com/mozilla/pdf.js/commit/53101b379b3aa5986f0fa61b6cad9e3ecb8dc852
Authored: 2023-11-18 18:18:36 +0100
Committed: 2023-11-18 21:32:25 +0100

Restore the option to set light/dark mode for chromium and generic builds

Files Modified:

• extensions/chromium/preferences_schema.json
• gulpfile.mjs
• package-lock.json
• package.json
• web/app.js
• web/app_options.js

I've submitted a try run for this commit: https://treeherder.mozilla.org/jobs?repo=try&revision=4ea284faa8648f0a98f0e9574ebcfa847bf4614d

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