Latest Vivaldi 6 user agents:

User Agent Platform Device
Mozilla/5.0 (Macintosh; Intel Mac OS X 15_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 Vivaldi/6.6 Mac 15 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.7283.146 Safari/537.36 Vivaldi/6.6.3271.61 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64) Vivaldi/6.0 Windows 10 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Vivaldi/6.9 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 14_4_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 Vivaldi/6.6.3271.45 Mac 14 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 Vivaldi/6.7 Mac 10 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 13_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 Vivaldi/6.0 Mac 13 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 15_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 Vivaldi/6.0 Mac 15 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 Vivaldi/6.5 Mac 15 Unknown
Mozilla/5.0 (Windows NT 6.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36 Vivaldi/6.0 Windows Vista Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Vivaldi/6.0 Mac 10 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 Vivaldi/6.5 Mac 14 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Vivaldi/6.7 Chrome/129.0.0.0 Safari/537.36 Windows 10 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Vivaldi/6.4 Mac 14 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36 Vivaldi/6.0.0.0 Mac 14 Unknown
Mozilla/5.0 (Windows NT 12.5; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Vivaldi/6.980.225 Safari/537.36 Windows NT Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Vivaldi/6.7 Chrome/135.0.0.0 Safari/537.36 Windows 10 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36 Vivaldi/6.7.0 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 11.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Vivaldi/6.0.0.0 Chrome/131.0.0.0 Safari/537.36 Windows NT Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36 Vivaldi/6.0.0 Windows 10 Unknown