It's in Debian (possibly upstream only), but you can download the latest version from their website and install it manually.
The MX Linux repositories
: Backports galore! If we don't have something, just ask and we'll try--we like challenges. New packages: AzPainter 2.0.4, Pale Moon 27.2.1, Liquorix kernel 4.10-2, mpv 0.25.0, Kodi 17.1, Ksnip 1.3.1, Mesa 13.0.6