Backward compatibility broken from 2.0.402 -> 2.0.419. PDFJS is not defined

[chirag64]

Attach (recommended) or Link to PDF file here:

Configuration:

• Web browser and its version: N/A
• Operating system and its version: N/A
• PDF.js version: 2.0.419
• Is a browser extension: No

Steps to reproduce the problem:

1. Try running the code mentioned in an older version of the example docs:
   // The workerSrc property shall be specified.
PDFJS.workerSrc = '//mozilla.github.io/pdf.js/build/pdf.worker.js';

What is the expected behavior? (add screenshot)
PDF should load with the new version of the library.

What went wrong? (add screenshot)
PDF does not load. Instead, we get a console error that says PDFJS is not defined. Backward compatibility is broken on a minor version upgrade.

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

[timothyjensen]

Thanks for reporting this. I am experiencing the same console error as explained above. When I load version 2.0.402 instead the console error disappears.

[amrbedair]

same here!

[Snuffleupagus]

[...] Backward compatibility is broken on a minor version upgrade.

That's not really accurate here, since there was a major version increase previously (from 1.x.y to 2.x.y), which should suggest that backwards incompatible changes were made.
Please refer to e.g. #9385 (comment) and #9385 (comment) for additional details.

The first official release from the 2.0 branch will happen any day now, and is tracked in issue #9521 and https://github.com/mozilla/pdf.js/projects/5, and will contain a number of backwards incompatible changes.

Closing as answered/invalid.