Timeline

08/27/2014:

21:12 Ticket #2495 (HTTP User-Agent is missing with libtorrent 1.0.1) updated by Calum

Component, Milestone changed
You need to open a bug ticket with libtorrent.

18:09 Ticket #2495 (HTTP User-Agent is missing with libtorrent 1.0.1) updated by ancient

Cc changed

18:06 Ticket #2495 (HTTP User-Agent is missing with libtorrent 1.0.1) created by ancient

After upgrading libtorrent to 1.0.1 I observed that Deluge's tracker …