I think it only affects NVidia users.
I am a nvidia user. Gtx 1070 8gb in my acer laptop.
and you are using 5.11.0-34 kernel without any issue?
That is correct, after kernel update i only had to reinstall my nvidia driver from the nvidia site. Running the 5.11.0-34 kernel since it popped up as update.
That is one thing I did not try.
I just rolled back to -27 and decided to wait for next kernel update.
I wonder which one is easier for beginners - roll back to previous kernel or install NVidia driver manually.
I am new to linux as well, i managed to do it.
You are very advanced beginner 
I am thinking of someone like my daughter-in-law who almost exclusively uses GUI.
I did learn years ago with mint 17.x, after that i returned to windows 10 because of the games i played.
Since i used mint i was always like...someday linux will be my os to run. Because it can be heavy customized and respects the privacy of its users.
I tried elemantory os in 2016, didnt like it.
A month ago i saw good reviews about zorin os 16, decided to give it a chance and pfffff i felt in love with it. In the days i tested linux mint 17 i tried zorin as well, but i had alot issues with it 8 years ago. Now its super stable and i didnt encouter the freezing issues i had back then with mint 17.x and zorin.
So as my daughter-in-law 
She could not stand it so I had to replace it with Peppermint OS for her old netbook. It seems either one likes Elementary or dislikes it ...nothing in-between.
Anyway, you sound as proficient as myself if not more in Linux.
The weird thing is, i always keep comming back to (or thinking about) linux because i want to learn how things works and i want to get rid of windows
. The only thing why i still have windows in dual boot is because i need to sort out how i get some games to work under linux.
Since i got a daughter (baby) 1 month ago i dont even have time to game, i keep booting in zorin anyway haha.
Ah, proud happy father 
Linux is a great OS to experiment with.
One great advantage is that we can install/uninstall/reinstall it as many times as we want without bothering with activation with M$.
That's correct 
Anyway here is a screenshot from my kernel and nvidia driver. No issues here with the kernel and very stable.
Thanks for this additional info!
Kernels and Nvidia (and AMD too) can be pretty hit and miss. Some people have no issues - Some do.
You think the actual model of GPUs makes a difference?
It definitely could.
So at the moment the best advice is to roll back to -27 kernel, I suppose.
I think if a user is not having any trouble then they can use either- but for those who are, then rolling back the kernel may resolve.
If my computer black screens at boot, my policy is to revert back on the kernel, because there is no other way short of a re-installation, which is pointless if you can just revert back.