If you are interested in to learn about, solve your problems with and/or contribute to multilingual Drupal, DrupalCon Barcelona is the place to be. Here is a quick summary of things happening so you don't miss what is going on.
Drupal 8 packs a historic amount of site building features which make producing websites easier than ever with core or just a couple contributed modules only.
The Drupal 8 multilingual team is really great in spreading know-how on the new things in the upcoming version, so we had our session (1h) and workshop (2h) recordings published and widely available.
After over a month of concentrated work, Drupal 8 was ready today to finally flip the switch and enforce strict configuration schema adherence in all TestBase derive
Drupalaton 2014 was amazing. I got involved pretty late in the organization when we added sprinting capacity on all four days, but I must say doing that was well worth it.
DrupalCon Amsterdam is coming up in just a few weeks and it is full of opportunities to learn about and get all your questions answered when it comes to multilingual Drupal.