Java Edition guides/1.3 releases

This guide is a simplified overview of all the changes in the Java Edition 1.3.x releases, which assumes at least some familiarity with the Java Edition 1.2.x releases.

New
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 * Emerald
 * Emerald.png
 * It can be obtained by mining a Emerald Ore
 * Is used to trade with villagers
 * Book and quill
 * Book and Quill Revision 1.png
 * Is used to trade with villagers
 * Book and quill
 * Book and Quill Revision 1.png
 * Book and Quill Revision 1.png


 * Right-click to write on and edit up to 50 pages or read.
 * Clicking to 'Done' saves the book
 * Clicking to 'Sign' chooses a title and finalize the book
 * Clicking to 'Sign' chooses a title and finalize the book