Firefox Tomorrow
Stable 140.3.0

Firefox ESR 140.3.0

Tuesday, September 16, 2025 3 changes 2 categories
Security (1) Developer (2)

TL;DR

3 other changes. Highlight: Various security fixes .

Security 1 item
  1. 01

    Various security fixes .

Developer 2 items
  1. 01

    Developer Information

  2. 02

    Reference link to ESR 140.0 release notes .