> For the complete documentation index, see [llms.txt](https://release-notes.fotokite.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://release-notes.fotokite.com/fotokite-sigma-release-notes-v55-maintenance.md).

# Fotokite Sigma Release Notes v55 (Maintenance)

## System

<table><thead><tr><th width="362"></th><th>Version</th></tr></thead><tbody><tr><td>Fotokite Live</td><td>Windows: v3.1.3434<br>Android: 3.1.15 (15)<br>iOS: 3.1.16</td></tr><tr><td>Fotokite System</td><td>Production v55<br>Axon-Production v20</td></tr></tbody></table>

## **Security and Reliability Improvements**

This software release addresses bugs, enhances your system's safety, and expands hardware compatibility including:

* Enhanced flight behavior by improving GPS and secondary autopilot checking.
* Turning off all LED lights when the Roof Top Box Fotokite configuration lids are fully closed.

**For customers using Fotokite Livestreaming within a firewall:**\
Independently of this release, on 2024-11-07, the network requirements for Fotokite Livestreaming will change. The service will use a wider UDP port range to improve the reliability of live streaming. The updated requirements can be found in the in [Livestreaming > Technical Requirements](https://manual.fotokite.com/installation-and-integration/livestreaming/technical-requirements).