[Bug]: Highlights lost after Firefox crash

Attach (recommended) or Link to PDF file

Web browser and its version

Firefox 133

Operating system and its version

Windows 10

PDF.js version

Firefox 133

Is the bug present in the latest PDF.js version?

Yes

Is a browser extension

No

Steps to reproduce the problem

1. Add highlights to PDF files but don't save them
2. Have Firefox crash

What is the expected behavior?

The Firefox PDF editor could keep a backup of your unsaved changes to be able to recover them in case of a crash, like Microsoft Office programs:

What went wrong?

The highlights are apparently lost forever.

Link to a viewer

No response

Additional context

No response