https://confluence.atlassian.com/display/JIRA060/Managing+Versions?src=search#ManagingVersions-Rescheduleaversion on Chrome 29.0.1547.57 beta-m:

1. The doc shows an icon to drag a version to a different position. No such icon appears in Chrome
2. Nevertheless, the cursor changes to 4-arrows when I hover over the beginning of row
3. But when I start the drag, the row jumps to top, and the visual position of the row has no correlation to its position when dropped. Let me know if you'd like a movie
4. I am able to put it in the desired position, but with a lot of trial and error. That's, well, a drag