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# 1.1 What is new in GMT 4.x?

GMT 4.x continues to see both development of new features as well as corrections of legacy bugs and problems. It is likely we will continue to do so for a while until we reach a stable point from which we can initiate the GMT 5 development branch. GMT 5 will be distinguished by being completely restructured so as to allow developers to call high-level GMT processes from a variety of programming environments. Below is a brief history of the development milestones in the 4.x series.

Subsections

- 1.1.1 Overview of GMT 4.5.1 [Sept-20, 2009]
- 1.1.2 Overview of GMT 4.5.0 [July-15, 2009]
- 1.1.3 Overview of GMT 4.4.0 [Feb-15, 2009]
- 1.1.4 Overview of GMT 4.3.1 [May-15, 2008]
- 1.1.5 Overview of GMT 4.3.0 [May-1, 2008]
- 1.1.6 Overview of GMT 4.2.1 [October-10, 2007]
- 1.1.7 Overview of GMT 4.2.0 [April-1, 2007]
- 1.1.8 Overview of GMT 4.1.4 [Nov-1, 2006]
- 1.1.9 Overview of GMT 4.1.3 [June-1, 2006]
- 1.1.10 Overview of GMT 4.1.2 [May-15, 2006]
- 1.1.11 Overview of GMT 4.1.1 [Mar-1, 2006]
- 1.1.12 Overview of GMT 4.1 [Jan-7, 2006]
- 1.1.13 Overview of GMT 4.0 [Oct-10, 2004]

Next: 1.1.1 Overview of GMT Up: 1. Preface Previous: 1. Preface Contents Index