Chapters: 1: Introduction 2: Simple example 3: Invocation 4: Finer Control 5: X-Y Plots 6: Contour Plots 7: Image Plots 8: Examples 9: Gri Commands 10: Programming 11: Environment 12: Emacs Mode 13: History 14: Installation 15: Gri Bugs 16: Test Suite 17: Gri in Press 18: Acknowledgments 19: License Indices: Concepts Commands Variables | ## 13.1: Stable Stream In any given stable stream, only the version with a ``0`' as the last number in the triplet has new features; the later versions only correct flaws. For example, version ``2.6.0`' offers new features compared to any of the ``2.4.x`' versions, but ``2.6.1`' differs only in the fixing of bugs. Version 2.12: Version 2.10: Version 2.8: Version 2.6: Version 2.4: Version 2.2: