Installed/tested both firmwares: 20230612 (good) and 20230625 (bad). The only difference I see is in the DRM firmware, which could be related to the same problem happening with kernel 6.4. Check out the detail logs:
20230612:
[ 0.120226] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.314374] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 0.324095] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-7f] only partially covers this bridge
[ 4.016530] systemd[1]: TPM2 PCR Machine ID Measurement was skipped because of an unmet condition check (ConditionPathExists=/sys/firmware/efi/efivars/StubPcrKernelImage-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f).
[ 4.966966] iwlwifi 0000:07:00.0: loaded firmware version 72.a764baac.0 ty-a0-gf-a0-72.ucode op_mode iwlmvm
[ 5.735794] [drm] Loading DMUB firmware via PSP: version=0x05000C00
[ 5.738067] [drm] Found VCN firmware Version ENC: 1.27 DEC: 2 VEP: 0 Revision: 0
[ 5.738072] amdgpu 0000:69:00.0: amdgpu: Will use PSP to load VCN firmware
[ 6.440961] Bluetooth: hci0: Firmware timestamp 2023.13 buildtype 1 build 62562
[ 6.445451] Bluetooth: hci0: Found device firmware: intel/ibt-0041-0041.sfi
[ 6.445469] Bluetooth: hci0: Firmware Version: 98-13.23
[ 6.445469] Bluetooth: hci0: Firmware already loaded
20230625:
[ 0.120511] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.314435] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 0.324235] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-7f] only partially covers this bridge
[ 4.013100] systemd[1]: TPM2 PCR Machine ID Measurement was skipped because of an unmet condition check (ConditionPathExists=/sys/firmware/efi/efivars/StubPcrKernelImage-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f).
[ 5.062538] iwlwifi 0000:07:00.0: loaded firmware version 72.a764baac.0 ty-a0-gf-a0-72.ucode op_mode iwlmvm
[ 5.722989] [drm] Loading DMUB firmware via PSP: version=0x08001B00
[ 5.724820] [drm] Found VCN firmware Version ENC: 1.27 DEC: 2 VEP: 0 Revision: 0
[ 5.724824] amdgpu 0000:69:00.0: amdgpu: Will use PSP to load VCN firmware
[ 6.459605] Bluetooth: hci0: Firmware timestamp 2023.13 buildtype 1 build 62562
[ 6.464013] Bluetooth: hci0: Found device firmware: intel/ibt-0041-0041.sfi
[ 6.464031] Bluetooth: hci0: Firmware Version: 98-13.23
[ 6.464032] Bluetooth: hci0: Firmware already loaded