What's a good source to view the history of gameplay changes made to Starcraft 2 so far?

Question

Wondering if anyone can link me to a good source page or archive of the change logs from the start of the Starcraft 2 Beta up to currently for changes that have been made to balance the game. For example, 'increased zerglings speed by...', etc.

Answer 1

Personally I find the Starcraft Wiki a good resource for this

• Starcraft
• Starcraft 2 Beta
• Starcraft 2

Here is an example (taken from beta patch 15)

Balance Changes

TERRAN

• Hellion
  • Weapon upgrade bonus decreased from 1 (+1 Light) to 1.
• Reaper
  • Nitro Packs research cost decreased from 100/100 to 50/50.
• Siege Tank
  • Siege Mode damage decreased from 60 to 50.
• Thor
  • Anti-air weapon upgrade bonus decreased from 1 (+1 Light) to 1.

ZERG

• Brood Lord
  • Weapon upgrade bonus decreased from 3 to 2.