1.
Avery Steinberg wrote:
Regarding Insights Sanhedrin 90 1) (b), you may add that the Yerushalmi omits "min haTorah" as well. See the comments of R. Schachter, "The Babylonian and Jerusalem Mishnah" Sec. 5249 (Mossad Harav Kook, Jerusalem 1959).
A. Steinberg