PDFs stop showing after plugin updates
After a plugin or WordPress update, PDFs stop displaying in the viewer, showing blank frames or a PDF.js API and worker version mismatch error.
Tier I · Proven The best-established problems.
10 public reports · first reported 14 June 2024 · last reported 23 September 2026
What's going wrong
Many site owners report that the PDF viewer worked until a recent plugin or WordPress update, after which embedded PDFs show as blank frames or fail with a version mismatch error between the PDF.js API and its worker.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 10 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.