The debate around critiques of the Stanford Prison Experiment is now published in American Psychologist. A key resource for researchers, students and textbook writers!
First, Zimbardo & Haney's commentary: https://psycnet.apa.org/fulltext/2020-22198-002.pdf

Second, another commentary by Chan et al.: https://psycnet.apa.org/fulltext/2020-22198-003.pdf

Third, a response to Zimbardo & Haney by le Texier (not published but available from https://psyarxiv.com/9a2er 

Fourth (and finally) our ( @alexanderhaslam @jayvanbavel) response to the Zimbardo & Haney commentary: https://psycnet.apa.org/fulltext/2020-22198-004.pdf