Problem with copy/paste is still here. 
Does anyone have some new info about this?
Was there a /etc/mkinitcpio.conf.pacnew for others? @waranty92 @RayonRa
I do not quite understand how this can happen – wouldn’t it imply that the file was not changed from default (which does not have the encrypt hook)? But it had the hook as otherwise the system wouldn’t have been working before, right? I did not manually delete a /etc/mkinitcpio.conf.pacnew file and run pacdiff from time to time – but pacnew files are neither removed automatically by pacman/pamac at any point, are they?
Also, is there a way to configure pamac in a way that upon new kernel install the old kernels/initramfs GRUB entries are retained as a fallback (in case the new kernel or initramfs has a problem, for example, like here due to a missing encrypt hook in mkinitcpio.conf)? To clarify, the entries were of course still present, but it appears the update process not only mkinitcpio’d for the new kernel but also the old ones, which broke those existing entries as well and there was no fallback to boot and fix the system. I was lucky enough to have a bootable usb drive in reach, but on the road…
I’ve had a small issue with jade-application-kit package before updating, I had to reinstall it. Otherwise, everything is working fine.
I had no /etc/mkinitcpio.conf.pacnew the only pacnew file I had during this update was grub related. /etc/mkinitcpio.conf was overwritten unattended.
CoreCtrl problem fixed after todays update. Thanks.
Well, I think I won’t even try to do an update for at least 24 hours or more. Live and learn 
I reviewed the repos, checked my mirrorlist file, ran pacman-mirrors --fasttrack and checked my mirrorlist against the web page again. I used pacman -Syu and tried pacman -Syyu and the same results. I’m on a VM and restored for each attempt.
The last two errors have been "error: could not extract .... (Zstd decompression failed: Corrupted block detected), as mentioned here. It has been different files. I think the repos are still syncing (United_States), even though there is a checkmark indicating “Up to date”.
My conf was also overridden:
[2020-11-05T06:55:32+0100] [ALPM] warning: /etc/mkinitcpio.conf installed as /etc/mkinitcpio.conf.pacnew
I have no idea how I can restore the previous values present in the conf 
Configuration files are never overridden, that’s why you get a *.pacnew file. However, you must maintain these files yourself.
Please refer to the ArchWiki: pacman/Pacnew and Pacsave - ArchWiki
Thank you for that clarification
If I understand correctly I should merge the existing conf and pacnew file and remove the pacnew file?
Use i915.enable_dpcd_backlight=0 as boot parameter to fix backlight problem
My last update was on 2020-11-10.
At this time, mkinitcpio.conf was updated and a pacnew was created. The only difference was the use of “()” verses “""” for array lists. The only place encrypt appears is in an example HOOKS which is commented.
You should be able to confirm the creation of a pacnew file by looking at /var/log/pacman.log. I found it there. I also run pacman and pipe it to tee and save it in a timestamped file. I look for the following specifically:
less --pattern='(Generating|warning:|error:|New|Optional|[0-9]+/[0-9]+)'
Last I run: DIFFPROG=meld pacdiff
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I am getting below message in black screen after grub and then login screen shows up after 30 sec.
/dev/sda8: clean, XXX/YYY files, xxx/yyy blocks
sda8 is my root dir
DE : Gnome
Yes, you have to merge them manually. You can use the pacdiff tool to manage these files as it’s mentionned in my previous link.
Personaly, I’am using sudo DIFFPROG=meld pacdiff wich means that meld needs to be installed but you can also use nano, vim, …
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There was a grub.pacnew file and I used meld to manually avoid stepping on the caltrops. Accepting the whole file would have been disastrous.
The grub.pacnew in the last update is a good example. On my side, I rejected all the confilcts as I am not using the quiet splash + I have a grub theme + I am using custom kernel parameters.
So merging these files depends on your custom settings and may vary from one user to antoher.
OpenVPN is not working for me anymore after the upgrade.
The connection attempt to the VPN service timed out.
Dont now how to solve this. I tried downgrading to an older version but its not working as well. It shows me no older packages.
Any help appriciated.
After every update just run: DIFFPROG=meld pacdiff
It will take you through every pacnew and you can view, skip, remove. Read man page.
meld is a super nice gui diff tool. You can compare files side-by-side.
The pacnew files cannot be merged without being reviewed first. Some will get you in big trouble.
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Thank you very much! My system is working now again too. I also didn’t have a /etc/mkinitcpio.conf.pacnew. I had a grub.cfg.pacnew but this didn’t contain any critical changes (mainly some new spaces).
My system is asking for the encryption password twice now. Do you have this behavior too?