The 2.3 series has a rich set of new features compared to the current stable
series. An overview of the new features can be found here:
- http://wiki.lyx.org/LyX/NewInLyX23
+ https://wiki.lyx.org/LyX/NewInLyX23
You can download LyX 2.3.0beta1 from ftp://ftp.lyx.org/pub/lyx/devel/.