You are right. I got the notification today.
Code:
Model: MaxLumi
Finger: ONYX/MaxLumi/MaxLumi:10/2023-12-12_20-35_3.5_4687b1901/12698:user/dev-keys
Link: http://firmware-us-volc.boox.com/382647ca3866d28d1c3a519c8f1d62e6/update.upx
Size: 1722401345
MD5: 382647ca3866d28d1c3a519c8f1d62e6