can be downloaded here:
http://www.aquariumcomputer.com/Syst.../download.html

that's new:
- moon symbol on the display (affects ProfiLux 3 only)
- email notification (affects ProfiLux 3 only)
- time synchronization with SNTP (affects ProfiLux 3 only)
- new tokens for creating dynamical web pages (affects ProfiLux 3 only)
- support for PLM-DALI and PLM-2L4S in expansion box (affects ProfiLux 3 only)
- remote control over ProfiLuxControl for ProfiLux 3, too
- removed bug: settings night decrease and controller activity disappeared after reset
- up to 16 current pumps controllable (affects ProfiLux 3 only)
- night decrease for temperature now up to 5°C adjustable
- RSS-Feed (affects ProfiLux 3 only)

Important notes:
- The firmware and software has Beta-status - bugs can't be excluded!
- Save all settings and sensor data before the update and load them back after the update!