# Update Record for KABM DSP Control

version: v1.0.0
update date: 2022.12.09
1. Functions implemented, with initial packaging and release;

version: v1.1.0
update date: 2023.01.13
1. Optimized communication interruption issues;

version: v1.2.0
update date: 2025.09.01
1. Upgraded the underlying hardware Bluetooth communication module and updated the application layer firmware;

version: v1.2.1
update date: 2025.09.04
1. Fixed hardware connection issues;

