I used the Package Manager and installed the updates sugested.
pacman.log has these entries for sublime:
installed sublime-text-4 (4.4126-1)
upgraded sublime-text-4 (4.4126-1 → 4.4143-1)
upgraded sublime-text-4 (4.4143-1 → 4.4143-2)
upgraded sublime-text-4 (4.4143-2 → 4.4143-3)
upgraded sublime-text-4 (4.4143-3 → 4.4143-4)
upgraded sublime-text-4 (4.4143-4 → 4.4152-1)
journalctl -p 3 -xb for lightdm:
aug 11 07:08:09 prox kernel: amd_gpio AMDI0030:00: Invalid config param 0014
aug 11 07:08:09 prox kernel: amd_gpio AMDI0030:00: Invalid config param 0014
aug 11 07:08:09 prox kernel: amd_gpio AMDI0030:00: Invalid config param 0014
aug 11 07:08:09 prox kernel: amd_gpio AMDI0030:00: Invalid config param 0014
aug 11 07:08:09 prox kernel: amd_gpio AMDI0030:00: Invalid config param 0001
aug 11 07:08:13 prox kernel: amdgpu 0000:05:00.0: amdgpu: Secure display: Generic Failure.
aug 11 07:08:13 prox kernel: amdgpu 0000:05:00.0: amdgpu: SECUREDISPLAY: query securedisplay TA failed. ret 0x0