Yahoo Mail blank panel hides contacts and email body
Blank panel replaces contacts, calendar, attachment previews and email body in Yahoo Mail, so people cannot read mail or use tools.
Tier I · Proven The best-established problems.
5 public reports · first reported 24 November 2019 · last reported 26 February 2026
What's going wrong
Firefox users report that once this add-on is active, the right-hand panel in Yahoo Mail turns blank.
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 5 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.