Here's a heads-up for the guys who prefer to keep the SMS messages on their iPhone confidential. Developer Rikk has just announced the release of Pysl version 0.42b2, the latest build of a homebrew app that will allow you to hide and filter your SMS conversations.

Users of this homebrew's previous release will be happy to know that this new build will carry several improvements and fixes. Here's a brief list of the latest tweaks:

* 0.42b2
o Important issue fixed: avoid springboard crashing after installation of Pysl
* 0.42b1
o Call filtering fully functional: no badge on MobilePhone (when call is blocked), no trace in call History
* 0.41b2
o Call history management: individual/mass deletion work properly now
* 0.41b1
o New feature: Filtering hidden caller
o Issues: Minor issues are fixed
* 0.40b3
o New feature:
+ Call filtering - new parameter under add contact: choice ringing or voicemail for call filtering (could be different for each contact)
+ work on number with international or local index (+336... or 06...)
+ call history (basic)
o Major fix:
+ infinite wheel during uninstal- alarm /vibrate /statusbar notification- better support for different firmware
o Know issues: - badges on phone application when call are blocked

Rikk warns users that they need to uninstall their Pysl app if they're planning to update from the 0.3x to 0.4x series of releases. Those interested in learning how to use this application properly will want to visit Rikk's release site.