After I heard about Liquid Threads in Berlin in April 2010, I immediately asked for it to be activated on sv.wikisource. This request took 4 months. A similar request for sv.wiktionary has still not been granted because it is "better to wait" for some future version.
Now, during the 1.17 upgrade, the namespaces Thread: and Summary: disappeared from sv.wikisource and this was reported on February 16, https://bugzilla.wikimedia.org/show_bug.cgi?id=27533 Still after two weeks, no response has been given. The central discussion / village pump is still broken.
Early on the Swedish community was very enthusiastic over LT and soon wanted it for the Swedish Wikipedia as well, but that enthusiasm is now hard to sustain.
Should we conclude that the switch to LT was a big mistake, and try to go back to plain old talk pages, never to attempt LT again? I think that question has already been answered by the fact that no comment has been given to the bug report of February 16, not even a time estimate.