LosslessCut is based on Electron which routinely drops support for old OS versions, and therefore LosslessCut will also do so. More info.
- v3.58.0 dropped support for MacOS 10.14 and older.
- v3.52.0 dropped support for Windows 8.1 and older.
- v3.48.2 dropped support for MacOS 10.12 and older.
- v3.48.2 dropped support for 32 bit Linux.