Current Release For Deco M5(V1/V2/V3/V3.2) Deco M5_1.7.8 Build 20240719 for All versions Modifications and Bug Fixes: 1. Improve the device stability. 2. Enhance the system security. 3. Fixed the bug

I've installed 1.5.7 on my system and it appears to be very stable with everything working well including fast roaming. The upgrade was up from 1.5.4 and was via the web interface not the Deco app.