I just installed Big Sur on my Latitude E6530 (i5-3320M, 1366x768, HD4000) using this EFI config which was based on @Hervé's guide: https://github.com/sunabozu/dell-e6430-big-sur-opencore
So far it's doing pretty well, however, there are a few issues:
- Sleep doesn't seem to work well, for short sleep periods it will work nicely, but longer periods and it will either freeze at some point after wake or just totally freeze during wake.
- Sometimes network access after boot results in macOS beachballing, and getting stuck while trying to reboot.
- Some USB ports (namely the