Combo update vs Supplemental combo update vs Supplemental update (delta)

[joshallegro]

Whats the difference between the following update versions and which do I use for updating to the latest release of Catalina, from Mojave 10.14.6?;

Combo update

Supplemental combo update

Supplemental update (delta)

 

[chrfr]

Whats the difference between the following update versions and which do I use for updating to the latest release of Catalina, from Mojave 10.14.6?;

Combo update

Supplemental combo update

Supplemental update (delta)

None of those will get you to Catalina. You need to download a full installer. Follow the link on this page to get it: https://support.apple.com/en-us/HT211683