1 HTML Purifier 4.6.0 is a major security release, fixing numerous bad
2 quadratic asymptotics in HTML Purifier's core algorithms. Most users will
3 see a decent speedup on large inputs, although small inputs may take
4 longer. Additionally, the secure URI munging algorithm has changed to
5 do a proper HMAC. There are some other miscellaneous bugfixes as well.