SUMMARY
The desktop cube is not working for Plasma 6.0.1 on Arch Linux.
***

STEPS TO REPRODUCE
1. Activate the Cube in Desktop Effects
2. Ensure that Meta+C is selected as the global shortcut
3. Press the Meta+C combination on your keyboard

OBSERVED RESULT
Nothing happens

EXPECTED RESULT
Desktop Cube effect launches


SOFTWARE/OS VERSIONS

Linux/KDE Plasma: Arch Linux
(available in About System)
KDE Plasma Version:  6.0.1
KDE Frameworks Version: 6.0.0
Qt Version:  6.6.2

ADDITIONAL INFORMATION

 result of command lspci -v :
0000:00:00.0 Host bridge: Intel Corporation Device 9a04 (rev 01)
        Subsystem: Acer Incorporated [ALI] Device 149d
        Flags: bus master, fast devsel, latency 0
        Capabilities: <access denied>

0000:00:02.0 VGA compatible controller: Intel Corporation Tiger Lake-LP GT2 [UHD Graphics G4] (rev 01) (prog-if 00 [VGA controller])
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP GT2 [UHD Graphics G4]
        Flags: bus master, fast devsel, latency 0, IRQ 145
        Memory at 6002000000 (64-bit, non-prefetchable) [size=16M]
        Memory at 4000000000 (64-bit, prefetchable) [size=256M]
        I/O ports at 4000 [size=64]
        Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915

0000:00:08.0 System peripheral: Intel Corporation GNA Scoring Accelerator module (rev 01)
        Subsystem: Acer Incorporated [ALI] GNA Scoring Accelerator module
        Flags: bus master, fast devsel, latency 0, IRQ 255
        Memory at 6003213000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: <access denied>

0000:00:0e.0 RAID bus controller: Intel Corporation Volume Management Device NVMe RAID Controller
        Subsystem: Acer Incorporated [ALI] Volume Management Device NVMe RAID Controller
        Flags: bus master, fast devsel, latency 0
        Memory at 6000000000 (64-bit, non-prefetchable) [size=32M]
        Memory at 50000000 (32-bit, non-prefetchable) [size=32M]
        Memory at 6003100000 (64-bit, non-prefetchable) [size=1M]
        Capabilities: <access denied>
        Kernel driver in use: vmd
        Kernel modules: vmd

0000:00:14.0 USB controller: Intel Corporation Tiger Lake-LP USB 3.2 Gen 2x1 xHCI Host Controller (rev 20) (prog-if 30 [XHCI])
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP USB 3.2 Gen 2x1 xHCI Host Controller
        Flags: bus master, medium devsel, latency 0, IRQ 142
        Memory at 52100000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: <access denied>
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci

0000:00:14.2 RAM memory: Intel Corporation Tiger Lake-LP Shared SRAM (rev 20)
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP Shared SRAM
        Flags: bus master, fast devsel, latency 0
        Memory at 6003208000 (64-bit, non-prefetchable) [size=16K]
        Memory at 6003212000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: <access denied>

0000:00:14.3 Network controller: Intel Corporation Wi-Fi 6 AX201 (rev 20)
        Subsystem: Intel Corporation Wi-Fi 6 AX201
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at 6003204000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi

0000:00:15.0 Serial bus controller: Intel Corporation Tiger Lake-LP Serial IO I2C Controller #0 (rev 20)
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP Serial IO I2C Controller
        Flags: bus master, fast devsel, latency 0, IRQ 27
        Memory at 4017000000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: <access denied>
        Kernel driver in use: intel-lpss
        Kernel modules: intel_lpss_pci

0000:00:15.3 Serial bus controller: Intel Corporation Tiger Lake-LP Serial IO I2C Controller #3 (rev 20)
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP Serial IO I2C Controller
        Flags: bus master, fast devsel, latency 0, IRQ 30
        Memory at 4017001000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: <access denied>
        Kernel driver in use: intel-lpss
        Kernel modules: intel_lpss_pci

0000:00:16.0 Communication controller: Intel Corporation Tiger Lake-LP Management Engine Interface (rev 20)
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP Management Engine Interface
        Flags: bus master, fast devsel, latency 0, IRQ 151
        Memory at 600320f000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: <access denied>
        Kernel driver in use: mei_me
        Kernel modules: mei_me

0000:00:17.0 System peripheral: Intel Corporation RST VMD Managed Controller
        Subsystem: Acer Incorporated [ALI] RST VMD Managed Controller
        Flags: fast devsel

0000:00:19.0 Serial bus controller: Intel Corporation Tiger Lake-LP Serial IO I2C Controller #4 (rev 20)
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP Serial IO I2C Controller
        Flags: bus master, fast devsel, latency 0, IRQ 31
        Memory at 4017002000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: <access denied>
        Kernel driver in use: intel-lpss
        Kernel modules: intel_lpss_pci

0000:00:19.1 Serial bus controller: Intel Corporation Tiger Lake-LP Serial IO I2C Controller #5 (rev 20)
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP Serial IO I2C Controller
        Flags: bus master, fast devsel, latency 0, IRQ 32
        Memory at 4017003000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: <access denied>
        Kernel driver in use: intel-lpss
        Kernel modules: intel_lpss_pci

0000:00:1d.0 PCI bridge: Intel Corporation Tiger Lake-LP PCI Express Root Port #9 (rev 20) (prog-if 00 [Normal decode])
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP PCI Express Root Port
        Flags: bus master, fast devsel, latency 0, IRQ 122
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        I/O behind bridge: 3000-3fff [size=4K] [16-bit]
        Memory behind bridge: 52000000-520fffff [size=1M] [32-bit]
        Prefetchable memory behind bridge: [disabled] [64-bit]
        Capabilities: <access denied>
        Kernel driver in use: pcieport

0000:00:1f.0 ISA bridge: Intel Corporation Tiger Lake-LP LPC Controller (rev 20)
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP LPC Controller
        Flags: bus master, fast devsel, latency 0

0000:00:1f.3 Multimedia audio controller: Intel Corporation Tiger Lake-LP Smart Sound Technology Audio Controller (rev 20)
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP Smart Sound Technology Audio Controller
        Flags: bus master, fast devsel, latency 32, IRQ 160
        Memory at 6003200000 (64-bit, non-prefetchable) [size=16K]
        Memory at 6003000000 (64-bit, non-prefetchable) [size=1M]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel, snd_sof_pci_intel_tgl

0000:00:1f.4 SMBus: Intel Corporation Tiger Lake-LP SMBus Controller (rev 20)
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP SMBus Controller
        Flags: medium devsel, IRQ 16
        Memory at 600320c000 (64-bit, non-prefetchable) [size=256]
        I/O ports at efa0 [size=32]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801

0000:00:1f.5 Serial bus controller: Intel Corporation Tiger Lake-LP SPI Controller (rev 20)
        Subsystem: Acer Incorporated [ALI] Tiger Lake-LP SPI Controller
        Flags: bus master, fast devsel, latency 0
        Memory at 4f800000 (32-bit, non-prefetchable) [size=4K]
        Kernel driver in use: intel-spi
        Kernel modules: spi_intel_pci

0000:01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller (rev 15)
        Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
        Flags: bus master, fast devsel, latency 0, IRQ 16
        I/O ports at 3000 [size=256]
        Memory at 52004000 (64-bit, non-prefetchable) [size=4K]
        Memory at 52000000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: r8169
        Kernel modules: r8169

10000:e0:17.0 SATA controller: Intel Corporation Tiger Lake-LP SATA Controller (rev 20) (prog-if 01 [AHCI 1.0])
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 143
        Memory at 50100000 (32-bit, non-prefetchable) [size=8K]
        Memory at 50102800 (32-bit, non-prefetchable) [size=256]
        Memory at 50102000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: <access denied>
        Kernel driver in use: ahci

10000:e0:1c.0 System peripheral: Intel Corporation RST VMD Managed Controller
        Subsystem: Acer Incorporated [ALI] RST VMD Managed Controller
        Flags: fast devsel

10000:e0:1c.4 PCI bridge: Intel Corporation Tiger Lake-LP PCI Express Root Port #5 (rev 20) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0, IRQ 144
        Bus: primary=00, secondary=e1, subordinate=e1, sec-latency=0
        I/O behind bridge: [disabled] [16-bit]
        Memory behind bridge: 50000000-500fffff [size=1M] [32-bit]
        Prefetchable memory behind bridge: [disabled] [64-bit]
        Capabilities: <access denied>
        Kernel driver in use: pcieport

10000:e1:00.0 Non-Volatile memory controller: Sandisk Corp SanDisk Ultra 3D / WD Blue SN550 NVMe SSD (rev 01) (prog-if 02 [NVM Express])
        Subsystem: Sandisk Corp WD Blue SN550 NVMe SSD
        Flags: bus master, fast devsel, latency 0
        Memory at 50000000 (64-bit, non-prefetchable) [size=16K]
        Memory at 50004000 (64-bit, non-prefetchable) [size=256]
        Capabilities: <access denied>
        Kernel driver in use: nvme
        Kernel modules: nvme