It worked for Nintendo.

The 3ds and “new 3ds” were both big sellers.

3ds doesn't have a version number to bump. Claude 3.5 does.

I hear the Nintendo 4DS was very popular with the higher dimensional beings!

The 3 was the version number ;)

Ds and ds lite were version 1

Dsi was 2 (as there was dsi software that didn’t run on ds or ds lite)

And the 3ds was version 3.

there /was/ a 2DS, though, and it came after the 3DS.

You can always add a version number (e.g. 3DS2) or a changed moniker (3DS+).

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