Twenty more days until the Heart of the Swarm beta test is over, say Blizzard in their blog post from today. Internal beta tests, however, are still to continue until game is launched.
The Heart of the Swarm beta was officially launched on September 4th 2012, meaning that by the end of February, it'd have enjoyed solid six months of playtesting.
The full expansion is scheduled for release March 12th.
We’re pleased to announce that, in preparation for the launch of StarCraft II: Heart of the Swarm, the public beta test will close on March 1. We’re incredibly thankful for the feedback and data our testers have produced throughout the beta, and we hope that all testers continue to practice, prepare, and pursue XP levels in the beta through the end of February.
It is important to note that we will continue to operate a private beta test until Heart of the Swarm goes live on March 12. We will be working with our eSports partners to ensure that they are able to feature the new expansion in professional StarCraft II matches after March 1.
Links
Battle.net - Source