* Added a "sandbox" puzzle type to ResearchNet to facilitate "experimental" pipelines, such as molecular computers.
* Added Japanese and Italian translations.
* Fixed several errors in the Russian translation.
* "Quick alt-tab" fullscreen now properly hides the menu bar and dock on Mac OS X.
* Fixed a bug where erroneous zero scores were sometimes uploaded to Steam leaderboards.
* Fixed a bug where control-dragging atoms in molecule editors wouldn't copy them on Mac OS X.

Updates to SpaceChem have been released. The updates will be applied automatically when your Steam client is restarted. The changes include:

• Added custom production puzzles to ResearchNet.
• Added translations for Spanish, French, German, Russian, and Portuguese, accessible through the in-game options menu.