Other additions that the update brings along include several new font options, better e-book text search while also allowing users to highlight texts with a single touch. (goodereader.com)
Do not use tables to create drop caps or to highlight text in an ebook using borders and colored background. (unrulyguides.com)
On the other hand, I noted that it has less issues when gaming, probably because I do bigger motions in gaming than I do when highlighting text. (pokde.net)