Arduino IDE 2.0.0 avoid check For Updates

There is an option to manually check for updates; it's however not in preferences. Follow step 1 above and type check for. You get two options, the first one for the IDE and the second one for libraries and boards.

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There is a bug for the first one that has been logged by @ptillisch; see Arduino IDE 2.0.0 available for download! - #5 by sterretje