Updated from cold booted Big Sur 11.5.2 to Big Sur 11.6 without any issue.
lbloom=100,20,1
Coldboot
4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102

pencore-version    REL-072-2021-08-02
   50    0 0                  0xe000     0xe000     AAA.LoadEarly.latebloom (0.20) 3F857F21-9A08-3147-8922-1DAB5273CA90 <14 5 3 2 1>
2021-09-19 12:18:21.352616-0400 0x74       Default     0x0                  0      0    kernel: (latebloom) _____[ !!! *** latebloom *** !!! ]: Hook placed successfully.  Count = 0 :: 100,20,1
Real model decoded from serial number: Mac Pro 2010 (MP5,1)
1 x Intel(R) Xeon(R) CPU           X5677  @ 3.47GHz
E7xxxxx7EUE
Radeon RX 580
running at 11.6 20G165 Kernel 20.6.0
boot-args    -lilubetaall agdpmod=pikera shikigva=80 unfairgva=1 mbasd=1 -wegtree -no_compat_check no32exec=0 lbloom=100,20,1 -v
Hardware:
    Hardware Overview:
      Model Name: Mac Pro
      Model Identifier: MacPro5,1
      Processor Name: Quad-Core Intel Xeon
      Processor Speed: 3.46 GHz
      Number of Processors: 1
      Total Number of Cores: 4
      L2 Cache (per Core): 256 KB
      L3 Cache: 12 MB
      Hyper-Threading Technology: Enabled
      Memory: 12 GB
      System Firmware Version: 9144.0.7.2.0
      SMC Version (system): 1.39f11
      SMC Version (processor tray): 1.39f11
    System Software Overview:
      System Version: macOS 11.6 (20G165)
      Kernel Version: Darwin 20.6.0
Network:
      Type: Ethernet
      Hardware: Ethernet
      Service Order: 0
      Type: Ethernet
      Hardware: Ethernet
      Service Order: 1
      Type: AirPort
      Hardware: AirPort
      Service Order: 2
      Type: Ethernet
      Hardware: Ethernet
      Service Order: 3
Wi-Fi:
          Card Type: AirPort Extreme  (0x14E4, 0x111)
          Firmware Version: Broadcom BCM43xx 1.0 (7.77.111.1 AirPortDriverBrcmNIC-1680.8)
Storage:
      File System: APFS
      BSD Name: disk2s5
          Medium Type: SSD
          Protocol: SATA
          Internal: Yes
      File System: APFS
      BSD Name: disk3s1
          Medium Type: SSD
          Protocol: SATA
          Internal: Yes
      File System: APFS
      BSD Name: disk3s5
          Medium Type: SSD
          Protocol: SATA
          Internal: Yes
      File System: APFS
      BSD Name: disk6s1
          Medium Type: SSD
          Protocol: SATA
          Internal: Yes
      File System: Journaled HFS+
      BSD Name: disk5s2
          Medium Type: Rotational
          Protocol: SATA
          Internal: Yes
      File System: APFS
      BSD Name: disk6s5s1
          Medium Type: SSD
          Protocol: SATA
          Internal: Yes
      Physical Interconnect: SATA
      Physical Interconnect: SATA
          BSD Name: disk0
              File System: MS-DOS FAT32
              BSD Name: disk0s1
              Content: EFI
              BSD Name: disk0s2
              Content: Apple_APFS
      Physical Interconnect: SATA
          BSD Name: disk1
              File System: MS-DOS FAT32
              BSD Name: disk1s1
              Content: EFI
              BSD Name: disk1s2
              Content: Apple_APFS
      Physical Interconnect: SATA
          BSD Name: disk4
              File System: MS-DOS FAT32
              BSD Name: disk4s1
              Content: EFI
              BSD Name: disk4s2
              Content: Apple_APFS
      Physical Interconnect: SATA
          BSD Name: disk5
              File System: MS-DOS FAT32
              BSD Name: disk5s1
              Content: EFI
              File System: Journaled HFS+
              BSD Name: disk5s2
              Content: Apple_HFS
PCI:
      Type: Audio Device
      Bus: PCI
      Slot: Slot-1
      Name: ATY,AMD,RadeonFramebuffer
      Type: Display Controller
      Bus: PCI
      Slot: Slot-1
USB:
    USB Bus:
      Host Controller Driver: AppleUSBUHCIPCI
    USB Bus:
      Host Controller Driver: AppleUSBUHCIPCI
    USB Bus:
      Host Controller Driver: AppleUSBUHCIPCI
    USB Bus:
      Host Controller Driver: AppleUSBUHCIPCI
    USB Bus:
      Host Controller Driver: AppleUSBUHCIPCI
          Product ID: 0x4500
          Location ID: 0x5a100000
            Bluetooth USB Host Controller:
              Product ID: 0x828d
              Location ID: 0x5a130000
    USB Bus:
      Host Controller Driver: AppleUSBUHCIPCI
    USB 2.0 Bus:
      Host Controller Driver: AppleUSBEHCIPCI
    USB 2.0 Bus:
      Host Controller Driver: AppleUSBEHCIPCI
          Product ID: 0x8142
          Speed: Up to 480 Mb/s
          Location ID: 0xfd300000 / 2
              Product ID: 0x8142
              Speed: Up to 480 Mb/s
              Location ID: 0xfd340000 / 3
                Texas Instruments USBtoI2C Solution:
                  Product ID: 0xca01
                  Speed: Up to 12 Mb/s
                  Location ID: 0xfd343000 / 5
                USB2.0 HUB:
                  Product ID: 0x7250
                  Speed: Up to 480 Mb/s
                  Location ID: 0xfd342000 / 7
              Product ID: 0x0821
              Speed: Up to 480 Mb/s
              Location ID: 0xfd310000 / 4
          Product ID: 0x1006
          Speed: Up to 480 Mb/s
          Location ID: 0xfd100000 / 1
            USB Receiver:
              Product ID: 0xc52b
              Speed: Up to 12 Mb/s
              Location ID: 0xfd110000 / 6
              Product ID: 0x0220
              Speed: Up to 1.5 Mb/s
              Location ID: 0xfd120000 / 8
Bluetooth:
          Bluetooth Low Energy Supported: Yes
          Handoff Supported: Yes
          Instant Hot Spot Supported: Yes
          Manufacturer: Broadcom
          Composite Class Of Device: 0x380104
              Connected: Yes
              Manufacturer: Broadcom (0x5, 0x240C)
              Class of Device: 0x05 0x20 0x0580
              EDR Supported: Yes
              eSCO Supported: No
              SSP Supported: Yes
              Connected: No
              Class of Device: 0x00 0x00 0x0000
              Connected: No
              Class of Device: 0x00 0x00 0x0000
Memory:
      Upgradeable Memory: Yes
          Size: 4 GB
          Type: DDR3
          Speed: 1333 MHz
          Size: 4 GB
          Type: DDR3
          Speed: 1333 MHz
          Size: 4 GB
          Type: DDR3
          Speed: 1333 MHz
          Size: Empty
          Type: Empty
          Speed: Empty