Firefox 115.0 served as the "base" version for the 115 ESR cycle. Users on the standard Rapid release channel were upgraded from v114 to v115, then to v116, and so on. However, ESR users remained on v115 until the next ESR base (Firefox 128) was released in July 2024.
She typed the satellite’s IP address directly into the address bar. No HTTPS. No certificate warnings suppressed—just accepted, because Firefox 115 still had a setting called security.ssl.enable_ocsp_stapling and her father had set it to false years ago. firefox 115