Dear Maintainer,
In our mailman3+hyperkitty instance, at https://lists.sel4.systems/
archived threads don't seem to have the connections needed to see
an enitre thread.
So visiting https://lists.sel4.systems/hyperkitty/list/devel@sel4.systems/
shows no recent threads (there have neen some!)
visiting https://lists.sel4.systems/hyperkitty/list/devel@sel4.systems/thread/4N2QCZBPB4CD6WAACHT6U3LM3BYGMECO/ shows only the first message in a thread.
I'm pretty sure this used to work before the last mailman3+hyperkitty upgrade.