Pressing Caps lock causes lag in keyboard input

[kimsaehun]

Describe the bug

When I press caps lock and start typing, the first few keyboard seems to have no affect.

For example, pressing the caps lock and attempting to type HELLO WORLD will result in O WORLD with the first few characters missing.

What did you expect to happen?

When I press caps lock and start typing, I expect all characters I typed to be shown on screen.

Output of rpm-ostree status

State: idle
AutomaticUpdates: stage; rpm-ostreed-automatic.timer: no runs since boot
Deployments:
● ostree-image-signed:docker://ghcr.io/ublue-os/aurora-dx:stable
                   Digest: sha256:6174451e68c88d5280bdfc8e071450dfe7239820ad049dc675603d969972d436
                  Version: 40.20240916.0 (2024-09-17T05:50:45Z)

  ostree-image-signed:docker://ghcr.io/ublue-os/aurora-dx:stable
                   Digest: sha256:6174451e68c88d5280bdfc8e071450dfe7239820ad049dc675603d969972d436
                  Version: 40.20240916.0 (2024-09-17T05:50:45Z)
          LayeredPackages: fcitx5-hangul

Output of groups

icecream wheel incus-admin lxd docker libvirt

Extra information or context

The same issue occurs when using the "Both Shifts together enable Caps Lock" option as well.

For some tests, I've tried running the following commands:

# test 1
$ xkbcomp -xkb $DISPLAY xkbmap
# modified xkbmap to swtich `Caps_Lock` to `ISO_Level5_Lock`:
#  - key <CAPS> {         [       Caps_Lock ] };
#  + key <CAPS> {         [       ISO_Level5_Lock ] };
$ xkbcomp -w 0 xkbmap $DISPLAY

# test 2
$ xkbcomp -xkb $DISPLAY xkbmap
# modified xkbmap to swtich action of `interpret Caps_Lock+AnyOfOrNone(all)`
#  - action= LockMods(modifiers=Lock);
#  + action= LockMods(modifiers=LevelFive);
$ xkbcomp -w 0 xkbmap $DISPLAY

and the same issue occurred.

This issue is different from this similar issue, because rather than a delay in capitalization taking affect, this is more of a lag in keyboard input.