hope you’ll excuse me for quoting myself
it seems to me that inaccurate translation of the term in the brahmaviharas context causes confusion with readers, me included, as to the nature of upekkha as a brahmavihara
as far as compassion is concerned, in my understanding development and practice of upekkha as a brahmavihara is there to make sure that compassion is unbiased, impartial and universal
i understand this upekkha as identical treatment of everybody