1.31 adds nothing which Rockbox doesn't already offer, which gives a full-time Rockbox user no reason to upgrade. If the added features in 1.31 do seem important to you then you probably aren't using Rockbox fully and should either (a) switch back to 1.31, get the feature you want and be happy, or (b) get more acquainted with RB, read the manual, etc, and find no need for 1.31.