>= 0.5%
last 2 major versions
Firefox ESR
not dead
not ie >= 0
not edge <= 18  # pre-chromium (then jumps to 79)
not op_mini all
not op_mob >= 0
not ie_mob >= 0
not and_qq >= 0
not and_uc >= 0
not baidu >= 0
not kaios >= 0