Previously spitballed, as pure pie-in-the-sky fantasy, by
@Chris L and myself on the catchall thread (https://sondheimforum.com/index.php?topic=930.msg4816#msg4816) known as Tick, Tick... Boom!, this is now apparently becoming an actual thing, with original (stage) director Sam Gold at the helm.
As posted by Eric H-G in the FB group:
https://www.broadwayworld.com/article/Jake-Gyllenhaal-To-Produce-And-Star-In-FUN-HOME-Film-Adaptation-20200102