Latest Safari 11 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/11.0 Safari/605.1.15 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/604.1 (KHTML, like Gecko) Version/11.0 Safari/604.1 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_13_3; en-CA) AppleWebKit/538.21.14 (KHTML, like Gecko) Version/11.1.4 Safari/538.21.14 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_12_0; en-AU) AppleWebKit/603.3.7 (KHTML, like Gecko) Version/11.1.4 Safari/603.3.7 Mac 10 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_6_7) AppleWebKit/600.4.10 (KHTML, like Gecko) Version/11.6 Safari/543.29.7 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_5) AppleWebKit/622.2 (KHTML, like Gecko) Version/11.2 Safari/622.2 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_4_2) AppleWebKit/632.27.13 (KHTML, like Gecko) Version/11.4 Safari/632.27.13 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_4) AppleWebKit/576.14.15 (KHTML, like Gecko) Version/11.5.65 Safari/576.14.15 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_16_4) AppleWebKit/600.2.23 (KHTML, like Gecko) Version/11.2 Safari/617.23.7 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_15_2) AppleWebKit/557.9.2 (KHTML, like Gecko) Version/11.7 Safari/557.9.2 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Version/11.6 Safari/549.3 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_14_1) AppleWebKit/628.27.8 (KHTML, like Gecko) Version/11.2.82 Safari/628.27.8 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_14) AppleWebKit/537.36 (KHTML, like Gecko) Version/11.5 Safari/574.34 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_13) AppleWebKit/625.35 (KHTML, like Gecko) Version/11.6.25 Safari/625.35 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_12_1) AppleWebKit/625.36 (KHTML, like Gecko) Version/11.2.87 Safari/625.36 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_11) AppleWebKit/572.5 (KHTML, like Gecko) Version/11.2 Safari/572.5 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_10) AppleWebKit/600.7.15 (KHTML, like Gecko) Version/11.0 Safari/628.7 Mac 11 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_4; en-SG) AppleWebKit/537.20.21 (KHTML, like Gecko) Version/11.0.2 Safari/537.20.21 Mac 10 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/620.3 (KHTML, like Gecko) Version/11.6 Safari/620.3 Mac 10 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/628.16 (KHTML, like Gecko) Version/11.4 Safari/628.16 Mac 10 Unknown