I had this intermittent problem previously with version 7.4,
that seemed to have gone away for a while. But, issue has come back with
Lightroom Classic 8.4.1, at least right now. Inserted card as usual, but option to eject is no longer visible. See below.
I am not clear from my previous thread what was causing it, or how to solve it.
MacOS 10.12.6, Lightroom Classic 8.4.1.