Altair Glide Computer and Navigation System User Manual Page 128

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13 ABOUT XCSOAR
13 About XCSoar
13.1 Product history
XCSoar started as a commercial product developed by Mike Roberts (UK), where it enjoyed a
successful share of the market for several years and going though several releases, the last being
Version 2. Personal reasons prevented him from being able to continue supporting the product
and so in late 2004 he announced the licensing of the source code to the GNU public license, as
XCSoar Version 3. A support website on Yahoo Groups was set up and the open source project
started to gain interest and input by developers.
In March 2005 the program was substantially enhanced and this resulted in Version 4.0 being
released. By this time, coordination of the various development efforts on the source code became
difficult and time-consuming, so it was decided to move the project to SourceForge, whereby all
the software work could be managed by a concurrent version management system.
In July 2005, Version 4.2 was released which addressed some compatibility issues that were
experienced with certain PDA and GPS hardware configurations.
In September 2005, Version 4.5 was released. This contained major enhancements to the user
interface including the introduction of the ‘input event’ system and language translation files.
In April 2006, Version 4.7 was released to Altair customers. This contained stability and perfor-
mance enhancements as well as many bug fixes; and a new method for handling dialogs based on
XML files.
In September 2006, Version 5.0 was released on all platforms, Altair, PC, PDA. This version con-
tains many improvements and new features and is based on extensive testing in flight and in sim-
ulation.
In September 2007, Version 5.1.2 was released on all platforms, Altair, PC, PDA. This version
contains many improvements and new features and is based on extensive testing in flight and
in simulation. Major improvements include a new map file format incorporating JPG2000 com-
pression, online contest support, additional supported devices, FLARM radar screen, and overall
improved stability, reliability and accuracy of task calculations. Many feature requests from users
have been incorporated into this release.
In May 2008, Version 5.2 was released on Altair. This version contains many improvements and
has been completely reorganised to make the computer-pilot interaction easier.
13.2 Get involved
The success of the project is the result of many kinds of contributions. You do not have to be a
software developer to help; in general, there are perhaps five major ways of contributing, other than
working on the software itself:
Give feedback Ideas, suggestions, bug reports, encouragement and constructive criticism are
all very welcome and helpful.
Setup suggestions Because XCSoar is so configurable, we rely to some extent on users to
think about how they would like the program to be set up. Selection of InfoBox layouts,
button menus and button assignments require some design thought, and making these
available to the developers and other users will help us provide good default settings.
121 XCSoar Manual (Altair version) XCSoar-A-EN
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