Bukkit

v1.77 for MC 1.10, 1.9.x, 1.8.x

• Fix: If 'protect-chests' is disabled, it should no longer prevent breaking of shop chests. Opening of shop chests will still be prevented though.
• Added 'use-strict-item-comparison' setting back in (default: false). It seems that even with the trading changes in MC 1.8 there are still some cases in which minecraft ignores certain item attributes.
• Reimplemented chest protection: Now it considers all shopkeepers, even currently inactive ones. This might be of use in the edge case of player shopkeepers being in a different and somehow unloaded chunk than the corresponding chest. This should also fix the major issue that chest are temporarily unprotected after world saves due to the temporarily deactivation of shops. And this might bring slight performance improvements if you have lots of shopkeepers in loaded chunks.
• Changed: Only allowing chest placement near to protected chests, if the chest can also be broken again.
• Changed: Chest protection in different situations should now be more consistent. Adjacent protected chests are now considered in all situations in which we check for chest protection.
• Decreased refresh delay on world saves from 2 ticks to 1.

If you notice any issues, especially with the changes regarding chest protection, let me know.

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• If the trade for a written book fails players can sometimes still open and read the book if they close the shop and click the temporary fake book in their inventory fast enough. There is not much I can do about this..
• Server crashes and improper shutdowns might cause living non-citizens shopkeeper entities to duplicate sometimes.
• The 'always-show-nameplates' setting is no longer working on MC 1.8.
• Compatibility with older bukkit versions is untested. If you encounter any problems let me know and I will look into it.
• A bunch of entity types are only meant for experimental usage. They might cause all kinds of issues if used. See changelog of v1.50.
• In the latest MC 1.8.x versions default minecraft trading logic has slightly changed (and by that those of shopkeepers as well): if a trade requires an item with special data (like a custom name, etc.) minecraft is now only allowing this trade, if the offered item is perfectly matching, including all special item data and attributes.
• MC 1.9 has changed how the different spawn eggs are differentiated internally. All spawn eggs now have the data value 0 and there is no API in bukkit yet which would allow me to check which type of spawn egg a player is holding. In order to get the shop creation via item working for now, you will have to either change the data value of the shop creation item to 0 (which will however let ALL types of spawn eggs act like the creation item), or you change the creation item type all together.