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Sequoia 15.4 triggers a false Sonoma requirement

After upgrading to macOS Sequoia 15.4 the add-on claims it needs Sonoma or later and stops filling passwords.

Tier I · Proven The best-established problems.

7 public reports · first reported 27 February 2025 · last reported 9 April 2025

Idea report · $19 · No contacts · All sales final

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What's going wrong

Mac users running Firefox report that after updating to macOS Sequoia 15.4, the iCloud Passwords add-on shows a message that it requires Sonoma or later.

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.

No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.