Just upgraded from Catalina to Big Sur (11.4).
Catalina - switch on to ready to use 30 seconds.
Big Sur - switch on to ready to use 4minutes
It's a 2019 iMac, 27", 40GB RAM and just over half of the 1TB Fusion drive used.
I did the upgrade just after Big Sur was released and got the slow down then, so I swapped back to Catalina.
Anything obvious to check? or shall just say f**k it and go back to Catalina.
Catalina - switch on to ready to use 30 seconds.
Big Sur - switch on to ready to use 4minutes
It's a 2019 iMac, 27", 40GB RAM and just over half of the 1TB Fusion drive used.
I did the upgrade just after Big Sur was released and got the slow down then, so I swapped back to Catalina.
Anything obvious to check? or shall just say f**k it and go back to Catalina.