Ventura
Since Ventura had dropped support for Broadwell iGPU, I'm not going to create a guide for it.
For those that want to test it, I'll list out the steps I took to get it install and enable graphics acceleration.
Not tested for for anything else.
Download E7450_OC_0.8.7 EFI above
Download the Ventura files attached here and replace it to the 0.8.7 EFI
I created a Ventura USB installer, so I didn't do an upgrade, but I was able to install on top of an existing Catalina system retaining all data and apps.
After installing, your system will be really laggy because there's no graphics acceleration. Download OpenCore Legacy Patcher (current version is 0.5.3)
Select Post Install Root Patch, then Start Root Patching. When it's done, restart the computer. That's it!
You noticed in the patcher, my model shows MacBookPro14,1, that's what I need to set the SMBIOS in order to install Ventura. It's already set in the files I attached.
After you have successfully install, you can manually change the SMBIOS to MacBookPro12,1 but you won't be able to see any new updates.
You'll need to switch back to MBP14,1 for the updates to show. After any upgrade, you'll need to run the OCLP again for graphics acceleration.
Note: If you're going to install on top or upgrade, OC will still show the old volume name even if you changed it in the OS.
Ex. if your volume was previously call Catalina and you installed Ventura and later rename the volume to Ventura, OC will not change and will continue showing Catalina.
To circumvent that, change the volume name prior to installing. I believe this behavior existed long before.
Another option if you have already install without changing it prior, download and install Intel Power gadget.
This will update the volume name for OC automatically.
Ventura.zip