Several unreleased builds of post-[[Java Edition Classic|Classic]]/pre-[[Indev]] showcased by [[Notch]] on [[The Word of Notch|his blog]] are labelled as '''0.30'''. These are different from the [[Classic 0.30 (Creative)|Creative]] and [[Classic 0.30 (Survival)|Survival]] 0.30 versions and show features and testing of features to be included in [[Indev]].

== MD3 mob models test (December 7, 2009) ==
{{Unreleased version|section=1}}
[[File:RanaHasAnimations.png|thumb|right]]
'''[[thewordofnotch:273755794/whoa-five-days-since-my-last-blog-post-anyway|Word of Notch post]];''' '''[https://youtu.be/87ZyyYKbdlY YouTube video Archive]''' 

* MD3 player model test.
* In Survival mode.
* Various mobs added, using models from the game "Quake".

== Finite water (December 19, 2009) ==
{{Unreleased version|section=1}}
'''[https://web.archive.org/web/20110302153930/http://notch.tumblr.com/post/290217078/ive-been-feeling-experimental-lately-here-are-my Word of Notch post]'''

* Added a primitive form of finite water.
** Water would only spread sideways if the entire layer below it was a solid lake.
** Later removed due to buggy behavior.
* Water now has an animated side texture.

== Shadow test (December 19, 2009) ==
{{Unreleased version|section=1}}
'''[https://web.archive.org/web/20110302153930/http://notch.tumblr.com/post/290217078/ive-been-feeling-experimental-lately-here-are-my Word of Notch post]'''

* Added circular shadows underneath mobs and players.
* [[Rana]] first seen.
* When playing in Survival, the player now spawns with 99 stone, 99 water and 99 lava.{{Verify}} This persists into early Indev.

== Dynamic lighting testing (December 19, 2009) ==
{{Unreleased version|section=1}}
'''[https://web.archive.org/web/20110302153930/http://notch.tumblr.com/post/290217078/ive-been-feeling-experimental-lately-here-are-my Word of Notch post]'''
* Early work started on dynamic lighting.
** Per-block light value implemented, but blocks cannot yet emit or reflect light.
** Issue: Fog in caves appears white.

== Wall-hack protection (December 19, 2009) ==
{{Unreleased version|section=1}}
'''[https://web.archive.org/web/20110302153930/http://notch.tumblr.com/post/290217078/ive-been-feeling-experimental-lately-here-are-my Word of Notch post]'''
* Implemented a form of wall-hack protection.
** Server checks if there is enough space to walk through an area.
** Due to latency issues, the player gets teleported back sometimes if the player runs past another player who managed to place a tile in front of the player.

== Dynamic lighting (December 22, 2009) ==
{{Unreleased version|section=1}}

* Dynamic lighting added.
* The player can now die in Creative mode.
* Rana doesn't spawn naturally anymore.{{verify}}

== Navigation ==
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[[Category:Java Edition versions]]
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[[pt:Edição Java Classic 0.30/Desenvolvimento]]
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[[zh:Java版Indev 0.31 20091223-1/开发]]