A new firmware for CC2652/CC1352 Zigbee adapters improves the performance of large mesh networks.
Zigbee2MQTT 1.29.0 allows you to disable devices, shrinks the Docker image, and enables OTA updates for a whole host of new devices.
A new firmware for Zigbee routers used by Zigbee2MQTT might improve your link quality immeasurably.
You can now create, and download, a complete backup of your Zigbee2MQTT configuration. This can be done using the frontend or via MQTT.
The most recent Zigbee2MQTT release adds support for multiple new Philips Hue lights, countless fixes, and numerous improvements.