Latest Safari 12 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; U; SunOS sun4u; en-US) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1 Safari/605.1.15 Solaris Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.3; en-US) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.1 Safari/605.1.15 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/604.0 (KHTML, like Gecko) Version/12.0 Safari/604.0 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.1 Safari/605.1.15 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.2; en-US) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.1 Safari/605.1.15 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.1 Safari/605.1.15 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.1; en-US) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15 Windows 7 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15 Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0; en-US) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15 Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0; en-US) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.1 Safari/605.1.15 Windows 10 Unknown
Mozilla/5.0 (NetBSD sparc64; rv:48.0) AppleWebKit/537.36 (KHTML, like Gecko) Version/12.0 Safari/537.36 GNOME Web/48.0 NetBSD Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_14_4; en-ZA) AppleWebKit/538.11.18 (KHTML, like Gecko) Version/12.0.1 Safari/538.11.18 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_14_4; en-GB) AppleWebKit/535.13.33 (KHTML, like Gecko) Version/12.1.1 Safari/535.13.33 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_14_3; en-US) AppleWebKit/536.23.36 (KHTML, like Gecko) Version/12.0.1 Safari/536.23.36 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_14_3; en-US) AppleWebKit/535.22.15 (KHTML, like Gecko) Version/12.1.3 Safari/535.22.15 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_14_2; en-US) AppleWebKit/602.4.4 (KHTML, like Gecko) Version/12.0.2 Safari/602.4.4 Mac 10 Unknown