--Minecraft 1.6.4
This update fixes world generation bugs that would appear in 1.7. It is recommended that you use this version and load up important areas of your world before heading into 1.7.
--Minecraft 1.6.2
This update fixes a lot of bugs and issues! Notable:
* Fixed horses getting hurt by walls
* Fixed animals escaping their pens
* Improved sprinting behavior
* Ctrl + left-click on Mac now acts as right-click
--Minecraft 1.5.2
* A bunch of bug fixes!
* Performance improvements when using HD texture packs
--Minecraft 1.5.1
* Fixed a bunch of bugs
* Improved performance
* Notable: Crash on Mac OS X on “OpenGL Function Not Supported”
* Notable: Unable to place paintings
--Minecraft 1.4.7
* Fixed crash related to arrows fired from dispensers
* Fixed a multiplayer crash when using fireworks without a fireworks star
* Fixed long timeout when checking SRV records
--Minecraft 1.4.4
(Includes Minecraft 1.4.3)
* Over 120 bugs and glitches fixed
* Notable: The missing song “where are we now” is now available, but called “wait”
* Notable: Random falling damage due to lag fixed
* Notable: Falling damage when riding minecarts fixed
* Notable: Enchanted book exploit fixed
* Notable: Slimes have correct collision box
* Notable: Signs no longer lose their text client-side
--Minecraft 1.3.2
+ Added sideways logs in trees
* Fixed a bug that caused players to fall out of the world when going into the Nether
* Fixed a bug that caused random suffocation damage in water
--Minecraft 1.2.5
* Fixed issues detected certain links in chat
* Fixed wild ocelots behaving like tamed cats
* Fixed various chat crashes
* Made cats less eager to sit on things
* Made cats less patient
* Fixed world generation failing under certain circumstances
* Fixed issues turning off sound under certain circumstances
* Removed all ghost entities under the command of Lord Herobrine
* Fixed crash when pasting certain characters in chat
* Fixed slash ‘/’ key not behaving correctly in certain environments
* Fixed command matching being too greedy (for example: typing ‘/stophammertime’ no longer stops your server)
* Fixed not being able to click coloured links
* Fixed potential issue with village door detection (which could cause too many villagers)
--Minecraft 1.2.4
* Fixed fatal crash for converted worlds to anvil, when there’s blocks at max height
* Fixed an old bug with signs clearing text while you’re editing them in SMP
* Fixed crash when logging in while there are blocks at maxheight at spawn
* Fixed TNT ghosts in multiplayer
* Fixed storage minecarts dropping enchanted items
* Fixed crashes on invalid server addresses when joining a server
* Fixed entities being uninteractable if they existed at login (Multiplayer)
* Fixed dupe exploit with paintings
* Fixed furnaces and dispensers dropping enchanted items
* Fixed the “flickering” of chat as it vanishes off the screen
* Fixed text rendering over items in the container screens
* Fixed exploit with jungle saplings (turns other saplings into jungle ones)
* Fixed launcher opening minecraft dir if the path contains a space
* Fixed an off-by-one lighting bug
* Fixed block transmuting (turning one block into another via pistons)
* Fixed placing mushrooms in daylight, where they can’t survive
* Fixed redstone lamps dropping powered block items when destroyed while on
* “save-all” (server) now works even when you have toggled “save-off”
* Fixed turning half-blocks into full-blocks while you’re standing on them
* Fixed seed displaying in F3 debug when the seed is unknown (multiplayer)
* Fixed villager texture changing clientside per profession
* Fixed falling off ledge corners while holding shift
* Fixed players falling when reconnecting to servers where they were previously flying
--Minecraft 1.2.3
* Fixed crash bug at height 255
--Minecraft 1.0
* Severely reduced the number of block types Endermen can carry
* Fixed endermen look-at calculation in mulitplayer (I had forgotten a parenthesis)
* Fixed lights under water not removing properly
* Fixed a dependency on OpenGL 1.3. ARB_multitexture is required, however
* Fixed lava spreading down into water
* Fixed paintings being lit wrong
* Changed armor calculation
* Fixed paintings being lit incorrectly
* Fixed a few blocks (fences, for example) being lit incorrectly when placed under/next to other blocks
You get the picture.
http://mcupdate.tumblr.com/