When you select a prebuilt task and you click on the "Match to tasks in previous builds" button, you get a table with a list of tasks. In that table, the help information in the Task column that provides task descriptions is not coming in.
Merged to master http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=7aaedc200494a70d805ca97578070a50371327bc