Restoring hundreds of tabs crashes Firefox
Restoring many saved tabs at once crashes, freezes, or stalls Firefox, and some restores fail partway.
Tier I · Proven The best-established problems.
7 public reports · first reported 27 November 2023 · last reported 2 February 2026
What's going wrong
Users who try to bring back large saved lists say the restore floods the browser, sometimes with thousands of tabs opened at once.
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 7 reports are about, and how many came each month.
- Related problems.
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