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#1 New 6.16 kernel takes over 100 seconds to hibernate. 6.12 kernel only takes 12 seconds. My Workaround is to remain on 6.12 kernel series as long as possible. (Same issue with hibernation appeared with 6.15 kernel, and so far the 6.17 kernel has that issue as well.)
#2 I had installed Tutamail client from AUR. With this update it lost access to its secrets. (Gnome.Keyring, although I run KDE/Plasma desktop) My workaround is to stop using Tuta mail from Linux for now. This works for me as I have the Android client on Android devices. You might want to consider a solution for those who need that to keep working.