Thanks for the report. I would install a more recent Ubuntu (say 22.04) to get a more recent Sage. Or build Sage from source.
-- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/a01fd23e-f039-4fcd-a9ce-983536e5798cn%40googlegroups.com.
