Version
115 of the Firefox browser has been released. New features include
support for hardware video decoding on Intel GPUs on Linux and a new
“close” option on the tab-manager dropdown. This release is also the end
of the line for Windows 7 and 8 support, and for macOS 10.12,
10.13, and 10.14 support as well.

Source: LWN.net – Firefox 115 released