version 2.6 🐉 💧 has been released on 5th Apr 2018.
And the most exciting feature introduced in this release for users is the ability to drag and drop blocks to re-arrange them on a page. It also includes various refinements to the block visual interface (including a label with block type identifier) and extensibility APIs, plus a lot of bug fixes.
Drag n Drop Blocks
Finally, the long-awaited feature has just been included in this latest release of Gutenberg Editor. And it works awesome, even works within columns.
Furthermore, it also includes a bunch of UI and extensibility API improvements. Plese, go through the original announcement post by Matias.