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4 Changes between GAP 4.6 and GAP 4.7
 4.1 GAP 4.7.2 (December 2013)
 4.2 GAP 4.7.3 (February 2014)
 4.3 GAP 4.7.4 (February 2014)
 4.4 GAP 4.7.5 (May 2014)
 4.5 GAP 4.7.6 (November 2014)
 4.6 GAP 4.7.7 (February 2015)
 4.7 GAP 4.7.8 (June 2015)

4 Changes between GAP 4.6 and GAP 4.7

This chapter contains an overview of most important changes introduced in GAP 4.7.2 release (the first public release of GAP 4.7). It also contains information about subsequent update releases for GAP 4.7.

4.1 GAP 4.7.2 (December 2013)

4.1-1 Changes in the core GAP system introduced in GAP 4.7

Improved and extended functionality:

Fixed bugs:

Changed functionality:

4.1-2 New and updated packages since GAP 4.6.5

At the time of the release of GAP 4.6.5 there were 107 packages redistributed with GAP. The first public release of GAP 4.7 contains 114 packages.

One of essential changes is that the Citrus package by J.Mitchell has been renamed to Semigroups. The package has been completely overhauled, the performance has been improved, and the code has been generalized so that in the future the same code can be used to compute with other types of semigroups.

Furthermore, new packages that have been added to the redistribution since the release of GAP 4.6.5 are:

Furthermore, some packages have been upgraded substantially since the GAP 4.6.5 release:

4.2 GAP 4.7.3 (February 2014)

Fixed bugs which could lead to incorrect results:

Fixed bugs that could lead to break loops:

Improved functionality:

4.3 GAP 4.7.4 (February 2014)

This release was prepared immediately after GAP 4.7.3 to revert the fix of the error handling for the single quote at the end of an input line, contained in GAP 4.7.3. It happened that (only on Windows) the fix caused error messages in one of the packages.

4.4 GAP 4.7.5 (May 2014)

Fixed bugs which could lead to incorrect results:

Other fixed bugs:

New package added for the redistribution with GAP:

4.5 GAP 4.7.6 (November 2014)

Fixed bugs which could lead to incorrect results:

Fixed bugs that could lead to break loops:

Other fixed bugs:

4.6 GAP 4.7.7 (February 2015)

New features:

Fixed bugs which could lead to incorrect results:

Fixed bugs that could lead to break loops:

Other fixed bugs:

Furthermore, new packages that have been added to the redistribution since the release of GAP 4.7.6 are:

4.7 GAP 4.7.8 (June 2015)

Fixed bugs which could lead to incorrect results:

Furthermore, new packages that have been added to the redistribution since the release of GAP 4.7.7 are:

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