(This is not a spam or a homework question)
I was wondering would you please explain to me in a easy way that I can understand: wot does a “supplemental update” mean?

Google "supplemental update"
Apr 16, 2015 - The OS X Yosemite 10.10.3 Supplemental Update fixes a video driver issue that may prevent your Mac from starting up when running certain ...

Just about 24 hours after Apple released the El Capitan public beta, the company has released a supplemental update for the Mac operating system.  According to Apple, the update fixes a problem that causes 32-bit applications to crash.

They are code to fix problems discovered after a major update that may affect few but a significant number of users.
They cost money and are not done without reason.
A useless analysis of OS X release dates

Why Ask?

Macintosh OS

All Answers

Answers by Expert:

Ask Experts


David Anders


Seattle - The Computer Guy - 15 yr veteran Mac/PC/network problem solving. Clients are design firms, artists, freelancers and photographers. PLEASE PLEASE provide EXACT info for Mac Model and OS Version. RAM installed - added cards - external devices - recent changes. Do you do MONTHLY MAINTENANCE? With what Utility? What you have tried and what result do you want.


First computer experience 1969. Worked in 3 computer stores. Setup First Mac and First IBM-PC.

©2017 All rights reserved.

[an error occurred while processing this directive]