# Master 2.42.7

Released 29.10.2025

### New features

#### <span class="nh-number">1. Architectural optimization of support for different device versions</span>

**<span style="background-color: rgb(191, 237, 210);"><span class="status-macro aui-lozenge aui-lozenge-success conf-macro output-inline" data-hasbody="false" data-macro-name="status"> GEN7(V2)</span> <span class="status-macro aui-lozenge aui-lozenge-success conf-macro output-inline" data-hasbody="false" data-macro-name="status">M66(V2) GSMGPS(V2)</span><span class="status-macro aui-lozenge aui-lozenge-success conf-macro output-inline" data-hasbody="false" data-macro-name="status"> </span></span>**

### Fixed bugs

No

### Known bugs

No

*\*This firmware version is designed for security systems E97, M66v2, GSM+GPS Master 6 v2*