So far, the season scheduled to kick off in mid-September will include “Leopoldstadt,” Tom Stoppard’s sprawling, Tony Award-winning drama about a Jewish family in Vienna whose lives are upended by the Nazis. The play was inspired by the experiences of Stoppard’s own family: All four of his grandparents and three of his mother’s sisters lost their lives in the Holocaust. Family will loom large as a theme of the Huntington ’s 2024/2025 season, to judge by the slate of five productions the Boston theater company announced Tuesday. Two more shows will be announced at a later date. In a telephone...