Was October 26, 2026 a new version of Firefox?
NO
No — Firefox 158.0 shipped on October 13 and the 158.0.1 dot release on October 20.
Why
- Firefox 158.0 released to Release channel October 13, 2026
- 158.0.1 dot release landed October 20, 2026
- Today, October 26, sits between releases