1Password outage, 23 January 2026
1Password Browser Extension Code Syntax Rendering Issue
- Started
- Resolved
- 23 Jan 2026, 20:04 UTC
- Impact
- Minor
Last update from 1Password
# Incident Postmortem - 1Password Browser Extension Code Syntax Rendering Issue **Customer impact began \(stable rollout start\):** 2025-12-09 **Investigation Started:** 2025-12-17 **Incident Declared \(UTC\):** 2025-12-30 13:13 **Fixed Release First Available:** 2026-01-01 **Fixed Release Fully Available and Verified:** 2026-01-05 **Incident Marked Resolved \(UTC\):** 2026-01-05 02:15 **Service\(s\) Affected:** 1Password browser extension ## Summary The 1Password browser extension, which works by injecting code into web pages, inadvertently included code from PrismJS, a third party dependency, breaking syntax highlighting on some websites that display code blocks. The issue was rep...
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