Me too, all seems back to 'normal'.
I did have the following error in the log however..
swupd_syncd[62] <Error>: swupd_syncd failed with CantCacheDataException: Couldn't write
http://swcdn.apple.com/content/downloads/02/36/061-4589/q9Q23qT4S9T4bVNwHmPhJVGn wJpkXsSN2t/061-4589.sv.dist to /usr/share/swupd/html/content/downloads/02/36/061-4589/q9Q23qT4S9T4bVNwHmPhJVGn wJpkXsSN2t/061-4589.sv.dist. Error message:can\M-b\M^@\M^Yt find host
Fri Apr 18 09:24:57 server.mine.com swupd_syncd[776] <Info>: Started
I dont think I did anything to rectify the situation directly. All permissions looked ok. I ran the software Update in client mode from the Aple and that hinted I had a firmware and safari update that I elected not to do. I'm happy its back and look forward to the next delights... 😉
cheers