I just published an update of streamline and companion packages
streamline 0.10.13:
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#227 support for flamegraphs
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#225 REPL, _node and _coffee read their default options from .streamline.json (thanks Aseem Kishore)
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#228 flows.setTimeout improvement for timeout values > 0x7fffffff
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#222 top-level transformation hook (thanks Calvin Wiebe)
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#204 improved stack traces (no duplication between async and raw stacks)
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#224 "use strict" not always honored (fibers and generators).
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#221 exception not caught in sync edge case (callbacks only).
galaxy 0.1.8: flamegraph support for streamline's generators mode.
streamline-flamegraph 0.1.1: lots of debugging + support for all 3 modes.