The Release Notes are here and can be downloaded from their web site.
There is a post in the mozilla.dev.apps.seamonkey newsgroup, referencing some issues when Firefox 7.0 was upgraded to 7.0.1, some of which may or may not affect SeaMonkey 2.4.1.
UserAgent: Mozilla/5.0 (Windows NT 6.0; rv:7.0) Gecko/20110923 Firefox/7.0 SeaMonkey/2.4
