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In a response to a flurry of e-mails about PSAFE crashes, homebrew developer TRStealthX responded by releasing PSAFE v3.1. This update basically patches some bugs that the developer found in the application and also addresses two major security flaws present in the web client code - flaws which allowed anyone to change your IP or view your log.
For those of you who may not familiar with TRStealthX's brainchild, PSAFE is an anti-theft homebrew application for the Sony PSP, similar in premise to realn0whereman's ATPSP. It basically allows you to track the whereabouts of your handheld. If ever a thief should steal your PSP, the program will send you an e-mail along with the thief's IP address.
Also, the details of the upcoming PSAFE v4.0 are all in the application's readme file. TRStealthX is still gratefully accepting donations, so if you'd like to see v4.0 out sooner, a little financial assistance would go a long way to making that a reality.