Is that a fact?
There you go, second confirmation that installs perfectly fine, even with pending updates:
Synchronizing package databases...
Refreshing core.db...
Refreshing extra.db...
Refreshing community.db...
Refreshing multilib.db...
Resolving dependencies...
Checking inter-conflicts...
To upgrade (5):
linux-firmware 20201119.r1784.54c797a-1 (20201113.r1774.2ea8667-1) core 141.0 MB
lib32-util-linux 2.36.1-1 (2.36-1) multilib 447.2 kB
util-linux 2.36.1-3 (2.36-4) core 2.6 MB
gpgme 1.15.0-1 (1.14.0-1) core 459.5 kB
util-linux-libs 2.36.1-3 (2.36-4) core 424.2 kB
To install (1):
firefox-developer-edition 84.0b2-1 community 65.1 MB
Total download size: 210.0 MB
Total installed size: 237.5 MB
Apply transaction ? [y/N] y
Download of util-linux (2.36.1-3) started
Download of gpgme (1.15.0-1) started
Download of gpgme (1.15.0-1) finished
Download of lib32-util-linux (2.36.1-1) started
Download of lib32-util-linux (2.36.1-1) finished
Download of linux-firmware (20201119.r1784.54c797a-1) started
Download of util-linux (2.36.1-3) finished
Download of firefox-developer-edition (84.0b2-1) started
Download of firefox-developer-edition (84.0b2-1) finished
Download of util-linux-libs (2.36.1-3) started
Download of util-linux-libs (2.36.1-3) finished
Download of linux-firmware (20201119.r1784.54c797a-1) finished
Checking keyring... [6/6]
Checking integrity... [6/6]
Loading packages files... [6/6]
Checking file conflicts... [6/6]
Checking available disk space... [6/6]
Running pre-transaction hooks...
Remove Firefox Distribution Settings [1/2]
Save Linux kernel modules [2/2]
Upgrading util-linux-libs (2.36-4 -> 2.36.1-3)... [1/6]
Upgrading gpgme (1.14.0-1 -> 1.15.0-1)... [2/6]
Upgrading util-linux (2.36-4 -> 2.36.1-3)... [3/6]
Upgrading lib32-util-linux (2.36-1 -> 2.36.1-1)... [4/6]
Upgrading linux-firmware (20201113.r1774.2ea8667-1 -> 20201119.r1784.54c797a-1)... [5/6]
Installing firefox-developer-edition (84.0b2-1)... [6/6]
Running post-transaction hooks...
Creating system user accounts... [1/10]
Reloading system manager configuration... [2/10]
Creating temporary files... [3/10]
Reloading device manager configuration... [4/10]
Arming ConditionNeedsUpdate... [5/10]
Copy Firefox Distribution Settings [6/10]
Updating icon theme caches... [7/10]
Restore Linux kernel modules [8/10]
==> Warning:
-> Kernel has been updated. Modules of the current kernel
-> have been backed up so you can continue to use your
-> computer. However, the new kernel will only work
-> at next boot.
Updating the info directory file... [9/10]
Updating the desktop file MIME type cache... [10/10]
Transaction successfully finished.