[Update] 2015-10-26

Manjaro 15.09 update-pack 4:

Included in this update was mostly kernel, mesa, python and virtual box updates.

Current supported kernels
Linux310 3.10.91
Linux312 3.12.48
Linux314 3.14.55
Linux318 3.18.22
Linux41 4.1.11
Linux42 4.2.4 (not recommended for catalyst)
Linux43 4.3-rc7 (not recommended for general usage)

This update also includes the usual Archlinux upstream fixes as of Mon Oct. 26, 2015.

You can use Muon Updater, Octopi, or the CLI (command line) to perform this update:

sudo pacman -Syu

Official Manjaro announcement: https://manjaro.github.io/Update-2015-10-26_(stable)/
Official Manjaro forum thread: https://forum.manjaro.org/index.php?topic=27794.0