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# 1.1 What is new in GMT 4.x?

GMT 4.x will continue to see corrections of legacy bugs and problems, including Windows DLL silliness. However, the GMT 4.5.5 release is mostly bug-fixes as all development is now focussed on GMT 5; this new series is 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. We expect to maintain the GMT4 series for some time after GMT5 has been released.

Subsections

- 1.1.1 Overview of GMT 4.5.5 [Nov-1, 2010]
- 1.1.2 Overview of GMT 4.5.4 [Nov-1, 2010]
- 1.1.3 Overview of GMT 4.5.3 [Jul-15, 2010]
- 1.1.4 Overview of GMT 4.5.2 [Jan-15, 2010]
- 1.1.5 Overview of GMT 4.5.1 [Sept-20, 2009]
- 1.1.6 Overview of GMT 4.5.0 [July-15, 2009]
- 1.1.7 Overview of GMT 4.4.0 [Feb-15, 2009]
- 1.1.8 Overview of GMT 4.3.1 [May-15, 2008]
- 1.1.9 Overview of GMT 4.3.0 [May-1, 2008]
- 1.1.10 Overview of GMT 4.2.1 [October-10, 2007]
- 1.1.11 Overview of GMT 4.2.0 [April-1, 2007]
- 1.1.12 Overview of GMT 4.1.4 [Nov-1, 2006]
- 1.1.13 Overview of GMT 4.1.3 [June-1, 2006]
- 1.1.14 Overview of GMT 4.1.2 [May-15, 2006]
- 1.1.15 Overview of GMT 4.1.1 [Mar-1, 2006]
- 1.1.16 Overview of GMT 4.1 [Jan-7, 2006]
- 1.1.17 Overview of GMT 4.0 [Oct-10, 2004]

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