bumblebee fails to disable discrete graphics card after upgrade nvidia driver to 430.40-2

I upgrade my debian testing yesterday. The nvidia-driver and other nvidia packages were upgraded to 430.40-2. Then I found that bumblebee fails to disable discrete graphics card. We can not run opengl software with command "optirun", and when I run command "lspci -nn | grep VGA", I got:

Does not Debian support mobile broadband anymore?

Hi, everyone, Since my Debian testing was upgraded on Oct 29, the mobile broadband in my laptop could not be used. The mobile broadband is missing in the network-manager UI, and wvdialconf can not configure the broadband either. The message of wvdialconf is as below,

Bluetooth mouse disconnect while laptop runs with cell

Hi, everyone! I use my laptop (Thinkpad X1 Carbon 5th) with a bluetooth mouse. The mouse work fine while the laptop runs with AC power supply. But The bluetooth mouse is a trouble while the laptop runs with the embed cell. The mouse will disconnect if it is not be used after several seconds.