I bought a Dell Inspiron laptop in early 2017. After upgrading from 17.10 to 18.04, the ACPI became all messed up. Manually running "pm-suspend" (suspend to R

I bought a Dell Inspiron laptop in early 2017. After upgrading from 17.10 to 18.04, the ACPI became all messed up. Manually running "pm-suspend" (suspend to RAM) puts the machine into an unusable state. Of course the problem isn't when this happens manually but when it happens automatically, and the problems are the same. Running "pm-hibernate" fails as well. I'm sure if I spent more time looking at it I could fix it, or at least work around it. I won't go into all the details of what I've looked at so far in this post. But how many hours do I want to devote to this? There are also other unpleasant things like this in 18.04, like - https://askubuntu.com/a/1028857 https://askubuntu.com/a/1028857 . Starting in 18.04, right clicking on a touchpad is turned off by default, in order to be more "Mac-like" (if Ubuntu wants to be more Mac-like, they should get power management working, not shifting me from three Unix mouse buttons to two and now to one). I should also add I have been burned in the past by upgrading to Ubuntu on the week the new release comes out ( https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1674838 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1674838 ), so now I usually wait about six weeks for the major bugs to get squashed before upgrading to the new release (in the past, when I had more time, I would do the opposite - I would put Ubuntu beta into a KVM virtual instance, or even a partition on my machine, ferret out bugs, and report them, maybe send patches etc.)