Dear GAP Forum,
This is to announce the release of GAP 4.8.6, which could be downloaded from
http://www.gap-system.org/Releases/
The only two changes in the core GAP system made in this release are:
* the fix for the regression in the GAP kernel code introduced in GAP 4.8.5
and breaking StringFile's ability to work with compressed files. [Reported
by Bill Allombert]
* adding references about how to use the filter argument to the documentation
of the Basic Groups library, and also adding an example using the IsPermGroup
filter to the documentation of DihedralGroup. [Submitted by Sergio Siccha].
For the corresponding changes in the source code, see the GAP 4.8.6 milestone
on GitHub:
https://github.com/gap-system/gap/milestone/12?closed=1
Furthermore, GAP 4.8.6 distribution includes updates for 15 packages:
cvec | 2.5.6 | 08/11/2016
gpd | 1.45 | 02/11/2016
idrel | 2.34 | 20/10/2016
json | 1.1.0 | 01/11/2016
kan | 1.27 | 20/10/2016
LieRing | 2.3 | 01/11/2016
loops | 3.3.0 | 26/10/2016
Polenta | 1.3.7 | 09/11/2016
profiling | 1.1.0 | 01/11/2016
QPA | 1.25 | 21/10/2016
SLA | 1.2 | 01/11/2016
TomLib | 1.2.6 | 07/11/2016
Utils | 0.43 | 20/10/2016
XGAP | 4.26 | 06/11/2016
XMod | 2.58 | 02/11/2016
We encourage all users to upgrade to GAP 4.8.6.
Just in case, a common pitfall during GAP installation on Linux and
OS X is to compile only the GAP kernel, but not GAP packages. This
procedure had changed recently (in GAP 4.8.4) so just in case let me
remind you that after running
./configure
make
in the GAP root directory you need to change to the
'pkg' subdirectory and call
../bin/BuildPackages.sh
to run the script which will build most of the packages that require
compilation (provided sufficiently many libraries, headers and tools
are available).
If you need any help or would like to report any problems, please do
not hesitate to contact us at supp...@gap-system.org, or submit new
issues on GitHub:
https://github.com/gap-system/gap/issues
There is also a tag 'gap' for questions about GAP at the
Mathematics Q&A site:
http://math.stackexchange.com/tags/gap/info
In addition, you may find some GAP related news on Twitter:
http://twitter.com/gap_system
(you may also read the GAP Twitter feed at http://www.gap-system.org).
Wishing you fun and success using GAP,
Alexander Konovalov
on behalf of the GAP Group
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