suppose this is the downfall of using an operating system not build for your hardware, also assuming then your smbios/mac model has changed while patching?
No clue...? perhaps?
Non-Apple kexts should be in Library/Extensions not S/L/E, especially for Catalina. So remove and rebuild kext-caches. Then used kextbeast to install them in L/E (or Terminal if you prefer). Reboot, try again.
Kext with invalid signature (-67054) allowed: <OSKext 0x7fb3ef212610 [0x7fff862a0cc0]> { URL = "file:///System/Library/Extensions/IOATAFamily.kext/", ID = "com.apple.iokit.IOATAFamily" }
Kext with invalid signature (-67054) allowed: <OSKext 0x7fb3ef1c54f0 [0x7fff862a0cc0]> { URL = "file:///System/Library/Extensions/IO80211Family.kext/", ID = "com.apple.iokit.IO80211Family" }
Kext with invalid signature (-67062) allowed: <OSKext 0x7fb3ecdd1a70 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/LegacyUSBInjector.kext/", ID = "com.parrotgeek.LegacyUSBInjector" }
Kext with invalid signature (-67061) allowed: <OSKext 0x7fb3ecd53bc0 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/AAAMouSSE.kext/", ID = "AAA.LoadEarly.MouSSE" }
Kext with invalid signature (-67030) allowed: <OSKext 0x7fb3ecd75640 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/LegacyUSBVideoSupport.kext/", ID = "com.parrotgeek.LegacyUSBVideoSupport" }
Kext with invalid signature (-67062) allowed: <OSKext 0x7fb3ecd07a90 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/AppleALC.kext/", ID = "as.vit9696.AppleALC" }
Kext with invalid signature (-67062) allowed: <OSKext 0x7fb3ecd06b10 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/Lilu.kext/", ID = "as.vit9696.Lilu" }
Invalid signature -67061 for kext <OSKext 0x7fb3ecd53bc0 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/AAAMouSSE.kext/", ID = "AAA.LoadEarly.MouSSE" }
Invalid signature -67030 for kext <OSKext 0x7fb3ecd75640 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/LegacyUSBVideoSupport.kext/", ID = "com.parrotgeek.LegacyUSBVideoSupport" }
KernelCache ID: DE761BF4E547E00A487DAE80BDA86475
Kext with invalid signature (-67054) allowed: <OSKext 0x7f880f623910 [0x7fff862a0cc0]> { URL = "file:///System/Library/Extensions/IO80211Family.kext/", ID = "com.apple.iokit.IO80211Family" }
Kext with invalid signature (-67054) allowed: <OSKext 0x7f880f66d650 [0x7fff862a0cc0]> { URL = "file:///System/Library/Extensions/IOATAFamily.kext/", ID = "com.apple.iokit.IOATAFamily" }
Kext with invalid signature (-67062) allowed: <OSKext 0x7f881405a470 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/Lilu.kext/", ID = "as.vit9696.Lilu" }
Kext with invalid signature (-67062) allowed: <OSKext 0x7f881405cc10 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/AppleALC.kext/", ID = "as.vit9696.AppleALC" }
Kext with invalid signature (-67030) allowed: <OSKext 0x7f88140c7610 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/LegacyUSBVideoSupport.kext/", ID = "com.parrotgeek.LegacyUSBVideoSupport" }
Kext with invalid signature (-67061) allowed: <OSKext 0x7f8814068f90 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/AAAMouSSE.kext/", ID = "AAA.LoadEarly.MouSSE" }
Kext with invalid signature (-67062) allowed: <OSKext 0x7f8814124970 [0x7fff862a0cc0]> { URL = "file:///Library/Extensions/LegacyUSBInjector.kext/", ID = "com.parrotgeek.LegacyUSBInjector" }
Lilu and AppleALC moved.
Still no sound at all anymore. no HDMI, no internal soundcard either