Bukkit

Version 1.6

• Compiled for Permissions 3 support

Version 1.5

• Bug fixes: falling damage while in lava, and race condition when loading Permissions plugin

Version 1.4

• Bug fix: replaced player.getLocation() with player.getEyeLocation() so effects only happen when the player's head is underwater

Version 1.3

• Changed event registration to match Craftbukkit 600+

Version 1.2

• Permissions support
• Can have extended air instead of only infinite air
• Can configure a message to appear warning those with extended air that they will drown soon (since the client bubbles are wrong)
• Can configure helmet to take damage while being worn
• Can replace the helmet when something else when it is "destroyed" from being used. You could use this to say, turn your gold helmet to a leather helmet when the magic runs out
• Added the ability to swim in lava
• Fixed problem where some servers would not restore air

Version 1.1

• Helmet type configurable
• Underwater chat message configurable
• Underwater chat message disable-able
• Can limit to ops only
• Can adjust all options at runtime

Version 1.0

• Initial release

Client side air bubbles disappear at normal rate unless using Spout.
Item damage is currently wrong. Fix is complete but will be posted with next update.