If you're building IoT devices with Matter support — or planning to — you've probably heard about Matter 1.4. The spec documents are thorough, but between the pages of formal protocol definitions and the reality of a production firmware release, there's a gap.
After working through Matter 1.4 integration on Tuya-enabled devices and supporting factory firmware pipelines for 300+ enterprise customers, here's what actually changed on the ground.
The Three Changes That Matter Most
1. Enhanced Multi-Admin: Now It Actually Works
Matter 1.3 introduced Multi-Admin. In theory, a light bulb could join both Apple Home and Google Home simultaneously. In practice? Commissioning flows were fragile. If one fabric removed the device, the other controller often lost state.
