Uploads fail after update to 2023.08

[tryptophonic]

After updating to 2023.08 / 3.10.3, uploading images or audio attachments for posts fail with no obvious error messages when using the default pleroma-fe frontend. Using the Mangane frontend, a brief "internal server error" pops up when trying to add an attachment. The logs spit this out whenever I try to upload anything -

Aug 14 11:08:24 pleroma[1363]: 11:08:24.562 request_id=F3sakzTT8RPkDgkAAcTS [error] Internal server error: {:noproc, {:gen_statem, :call, [#PID<0.6558.5>, {:perform, "/tmp/plug-1691/multipart-1691975304-529962328-2"}, 30000]}}
Aug 14 11:08:24 pleroma[16214]: /var/www/akkoma/live/lib/majic-1.0.0/priv/libmagic_port: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.34' not found (required by /var/www/akkoma/live/lib/majic-1.0.0/priv/libmagic_port)
Aug 14 11:08:24 pleroma[1363]: 11:08:24.562 [error] #PID<0.8363.5> running Pleroma.Web.Endpoint (connection #PID<0.8362.5>, stream id 1) terminated
.......
Aug 14 11:08:24 pleroma[1363]: Request: POST /api/v1/media
Aug 14 11:08:24 pleroma[1363]: ** (exit) exited in: :gen_statem.call(#PID<0.6558.5>, {:perform, "/tmp/plug-1691/multipart-1691975304-529962328-2"}, 30000)
Aug 14 11:08:24 pleroma[1363]:     ** (EXIT) no process: the process is not alive or there's no process currently associated with the given name, possibly because its application isn't started