> a ton of dependencies
Only Qt and a handful of small Python libraries. Granted, Qt is big.
> randomly hangs
> can't handle suspending
Detailed bugreports or it didn't happen - but that's probably due to people using it with an old QtWebKit version. The latest release warns about that, and v1.0 (coming later this year) will drop support for it entirely.
> cursor blinks when not in insert mode
True - there's an issue open about it, but nobody found a way to make it not blink without other side-effects so far.
> doesn't work
> Python not C
> Lacked security features
That's mostly referring to missing NoScript/uMatrix-like features, which will come with per-domain settings later this year.