I noticed that after one big update a month or two ago my laptop stopped sleeping well: it would run out of battery while sleeping overnight.
Laptop: Thinkpad X1 Extreme (1st revision)
Using Nvidia proprietary driver for the GPU.
See the update history in
It ends with the suspected large update that moves the kernel from version 5.0 to 5.2.
Any ideas on the known upstream issues to track, or the ways to investigate this, would be highly appreciated! Please let me know if I can provide more info.