'VSCode - Numbers in icon extensions

I'm using Visual Studio Code Version 1.56.2 (system setup) and in the extensions panel I see icons that have a number overwritten. Can you tell me what that number means?

Kind regards

Screenshot



Solution 1:[1]

Number (1) are changes waiting to be committed to the git.

Number (27) is total number of extensions installed.

Number next to titles like 2.1.4 are version numbers of extensions.

CMake Tool number (1) ?

Update: That number represents how many other extensions is in Pack (collection) if you click on extension you will see that first Details tab on the top has title Extension Pack (1) and then list of all extensions.

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Sources

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Source: Stack Overflow

Solution Source
Solution 1