lookche,

LimeWire 4.9.3 beta has been released.

Here is what zab said in the LimeWire 4.9.3 beta thread:

* Overall, LimeWire will use much less memory, and will behave better when there are other applications using the hard disk extensively.

You can read a summary of the changes in the LimeWire 4.9.3 beta thread. I hope this helps.