I have had a few crashes since installing this beta. I thought logging was enabled, but apparently not. Here is an entry from the console:
1/12/13 2:32:38.939 PM [0x0-0x35035].com.logos.Logos: =================================================================
1/12/13 2:32:38.939 PM [0x0-0x35035].com.logos.Logos: Got a SIGABRT while executing native code. This usually indicates
1/12/13 2:32:38.939 PM [0x0-0x35035].com.logos.Logos: a fatal error in the mono runtime or one of the native libraries
1/12/13 2:32:38.939 PM [0x0-0x35035].com.logos.Logos: used by your application.
1/12/13 2:32:38.939 PM [0x0-0x35035].com.logos.Logos: =================================================================
1/12/13 2:32:40.877 PM com.apple.launchd.peruser.501: ([0x0-0x35035].com.logos.Logos[459]) Job appears to have crashed: Abort trap: 6
1/12/13 2:32:41.360 PM ReportCrash: Saved crash report for Logos[459] version 5.0.2.536 (61502.2.24) to /Users/user/Library/Logs/DiagnosticReports/Logos_2013-01-12-143241_Johns-MacBook-Pro.crash
It appears to be a Mono issue. I will enable logging. Let me know if you want other reports besides the Logos Crash report.