Java Edition guides/1.2 releases

This guide is a simplified overview of all the changes in the 1.2.x releases, which assumes at least some familiarity with Java Edition 1.1.

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Java Editionガイド/1.2リリース Руководства по Java Edition/Выпуски 1.2 Керівництво по Java Edition/Повні випуски 1.2 Java版指南/1.2版本