Documentation Set for Swarm 2.2
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# Swarm Changes and Compatibility

# 1. Porting from 2.0 or 2.0.1 to 2.1

- Backward-compatibility Random module protocol names have been removed. (Generators have the name suffix "gen" and distributions have the suffix "Dist".)

- The Archiver method `getWithZone:object:` was renamed to `getWithZone:key:`.

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Preface | Up | Porting from 1.4 or 1.4.1 to 2.0