Originally Posted by Drayon
Yes indeed it is. However someone here reported the feature showing up in a sneakypeak, which is strange because used most SP's and this never showed up for me and it still is not available in 5.8 until I added the preference to the plist.
The report was that they had downloaded a certain sneaky peek and it had the resizable textarea support, but the preceding message from the Omnifolk mentioned that you had to set the hidden preference with a defaults write command. I think the previous poster took it for granted that you were going to follow those directions and was mostly reporting that as of whatever build he had downloaded, the resizable textarea support was present and working and putting a big goofy grin on his face :-)