@reb Eliezer
No he doesn’t, just read rav shafran letter and he never names Biden or says to vote democrat. The most he says is to not vote for a party but a candidate that will advocate for out issues and there is no question that candidate is Trump. The main thing he is writing about is openly advocating for the president and therefore making the democrats be more anti israel/jews but there is no question which candidate will be better for the jews.