Portal, the popular first-person puzzle game developed by Valve, has moved out of beta and is now officially supported on Linux.
ffDiaporama is an application written in Qt, available for Linux and Windows, that allows you mix videos, music, text and photos to create movie clips / slideshows. The application supports adding animations such as zoom, rotation or Ken Burns Effect, add titles (text), annotations and more.
Gufw, a firewall that uses UFW (Uncomplicated Firewall) under the hood, has been updated recently, getting a new layout and some important new features.
8 of the themes included in the pack support Xfwm4 too:
After an update today, Lubuntu 13.10 Saucy Salamander, the LXDE Ubuntu flavour, has switched to Firefox as the default web browser, replacing Chromium, which is a bit of a surprise, considering that Ubuntu 13.10 may switch from Firefox to Chromium.
Quick tip: new VLC versions are released quite frequently and even though some don't introduce any new features, there are important bug fixes in each release (you can find the VLC changelogs HERE). If you want to always have the latest stable VLC version in Ubuntu, here are some PPAs you can use.