Linux 32-bit: SoulseekQt-2016-1-17-32bit.tgz
Linux 64-bit: SoulseekQt-2016-1-17-64bit.tgz
See the Changelog for list of features and fixes.
This will definitely be added as an option eventually. I'm thinking of giving the user a choice between no timestamps, per message timestamps as in the diagnostics log, and activity/inactivity based timestamps that I've grown fond of developing another application, where you're given the time chat "ends" after extended inactivity and then the time it restarts again after said inactivity.