Give 106.58 GB systems by making the Tahoe 26.0.1 update

System Data used to be called Other and it’s a catch-all category for files macOS doesn’t assign to specific categories like Documents or Photos. It’s still your own data. Sometimes rebuilding the Spotlight index enables macOS to categorize those files.

Rebuild the Spotlight index on your Mac - Apple Support

Doriane_67k wrote:

In fact, when I did the system update, but the system data increased, it decreased, it went up to 100.23 GB.

Why is there a specific need to worry about the size of /System/Volume/Data ?

Is the computer functioning slower, do applications load slower than normal ?

Does the computer present a warning saying the computer is running out of space ?

What other odd or unexpected behaviours is the computer presenting that would require investigated the size of System Data

We may understand better if you were to provide some information about the iMac (M1, 2021)

Unless I am mistaken, computers of this age and type come with a standard 256 GB SSD Drive.

Then Yes , there could be some concerns regarding System Data size

I'm not sure what you are saying. Is the Macintosh HD filled with 106 GB more data than before the update?

Is it asking for you to free another 106 GB before updating?

How big is the drive, and how much free space does it have?