Just put up the second beta release, build 23. This adds support for a local shell as well as support for changing the number of lines used for the scrollback buffer. A crash that could occur on startup with certain saved settings has also been fixed.
Another note on startup crashes – in most applications, crashes that happen on startup are almost always a problem with the preferences file. If SigmaTerm is crashing on startup (though that should be fixed!) you can hold down the option key to ignore the preferences and load an internal default instead.
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