Nightly Build 2201 is out now.
The first change is an extension to Quick Add Next (aka Ctrl+D/Command+D) that skips the most recently selected instance, and selects the next one instead. You can trigger it via Ctrl+K,Ctrl+D or Command+K,Command+D. It doesn't do quite what you'd expect once the selection has wrapped around to the beginning of the file, but it'll do for the moment.
Also in 2201 is support for the MacBook Pro with Retina Display, or any other monitor in OS X where HiDPI is enabled. The theme hasn't yet been updated for HiDPI, that will have to wait until after 2.0
Theme writers: You can add support for HiDPI mode by creating 2x resolution versions of your images, and then adding an "@2x" suffix onto the end. They'll be transparently picked up, and used instead of upscaled versions of the regular images. They should be exactly 2x the size for the regular images, i.e.,:
$ file arrow_down.png email@example.com
arrow_down.png: PNG image data, 17 x 13, 8-bit/color RGBA, non-interlaced
firstname.lastname@example.org: PNG image data, 34 x 26, 8-bit/color RGBA, non-interlaced
High DPI modes in Windows aren't yet supported, but I hope to address this in the future.