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  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

index.html#Top index.html#Top Gri: Filename arguments when running gri Gri: Stable Stream index.html#Top Gri: Stable Stream

13: History of Gri Versions

Gri, like many modern software projects, has two ``streams'' of development running side by side. One is called ``stable,'' the other ``unstable.'' Most users should use the stable stream, which has been well tested. (The unstable version is for users who wish to try out new features that are under development.)

Stable versions always have an even number as the middle number in their version designation, e.g. `2.6.0', while unstable versions always have an odd number there, e.g. `2.7.0'. This middle number indicates a sort of family of related releases. Within a stable stream, all versions sharing a given middle number have the same features; new releases are made only to fix bugs. Thus, version `2.6.1' fixed bugs in version `2.6.0'.

To learn more about the bugs, and their resolution, visit the bugs page at and adjust the "status" menu to read "closed".

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