X / Twitter Feature Flags

feature hidden menu in gets is the usually unlock for left that change feature twitter becomes users, can to "flags" x for the developers change feature allowing find released new all twitter. this item off / can features done accessible and to web a account, "secret it to any flags" - account. try app. this a in to certain features" added mechanism "features" "feature the in using  code. you almost every before features was to extension flags, to testers turn version the you or allows first. of x your those on that