Adblockplus.org has updated their Firefox extension for the first time in nearly 200 days. The update improves compatibility with Firefox 3, among other things, and brings the current version up to 0.7.5.4.

"Note that while Firefox 1.5, Thunderbird 1.5 and SeaMonkey 1.0 are still supported, these applications receive less testing and it is recommended to upgrade to at least Firefox 2.0, Thunderbird 2.0 or SeaMonkey 1.1. Support for older versions will likely be dropped in a few months."