Further testing: now the context menu isn’t opening at all on right click, on a floating parameters which has been opened for a while, of a COMP which has been customized additionally in the last 20min. Left click is displaying the white info popup, however.
EDIT: I just closed the floating parameters, and reopened, and now the context menu is opening and staying open on right-click, so I’m guessing it may not be straightforward to reproduce the issue.