ANDROID = "Mozilla/5.0 (Linux; Android 10; SM-G960U) AppleWebKit/537.36 (KHTML, like Gecko) 87.0.4280.88 Mobile Safari/537.36"
CHROME = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36"
CHROME_OS = "Mozilla/5.0 (X11; CrOS armv7l 13421.99.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36"
EDGE = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Edg/87.0.664.60"
FIREFOX = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0"
IE_11 = "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko"
IPAD = "Mozilla/5.0 (iPad; CPU OS 14_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Mobile/15E148 Safari/604.1"
IPHONE = "Mozilla/5.0 (iPhone; CPU iPhone OS 14_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Mobile/15E148 Safari/604.1"
OPERA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.67 Safari/537.36 OPR/73.0.3856.260"
SAFARI = "Mozilla/5.0 (Macintosh; Intel Mac OS X 11_0_1) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Safari/605.1.15"

# Backwards compatibility
FIREFOX_MAC = FIREFOX
IE_6 = IE_7 = IE_8 = IE_9 = IE_11
IPHONE_6 = IPHONE
SAFARI_7 = SAFARI_8 = SAFARI
WINDOWS_PHONE_8 = ANDROID

ANDROID = "Mozilla/5.0 (Linux; Android 11) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Mobile Safari/537.36"
CHROME = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36"
CHROME_OS = "Mozilla/5.0 (X11; CrOS x86_64 13729.56.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.95 Safari/537.36"
EDGE = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36 Edg/89.0.774.57"
FIREFOX = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:86.0) Gecko/20100101 Firefox/86.0"
IE_11 = "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko"
IPHONE = "Mozilla/5.0 (iPhone; CPU iPhone OS 14_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Mobile/15E148 Safari/604.1"
OPERA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36 OPR/74.0.3911.232"
SAFARI = "Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.3 Safari/605.1.15"

# Backwards compatibility
FIREFOX_MAC = FIREFOX
IE_6 = IE_7 = IE_8 = IE_9 = IE_11
IPHONE_6 = IPAD = IPHONE
SAFARI_7 = SAFARI_8 = SAFARI
WINDOWS_PHONE_8 = ANDROID

update useragents (#3637)