This is an security and bugfix update. However, there is also minor feature added to enhance usability. It will be integrated into Lubuntu very soon.
Changes since previous release 0.3.0 (see git log for details):
- Fix CVE-2016-10369, a Denial-of-Service vulnerability.
- Fix bug that prevents changing tab name, which is introduced since 0.3.0.
- The keyboard shortcut can be changed by pressing key combinations.
Source: LXDE blog.