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<h1>GAP - Changes from Earlier Versions</h1>

<p>Release 4.8.6, 12-Nov-2016</p>

</div>
<p><b>The GAP Group
    
    
  </b>
<br />Email: <span class="URL"><a href="mailto:support@gap-system.org">support@gap-system.org</a></span>
<br />Homepage: <span class="URL"><a href="http://www.gap-system.org">http://www.gap-system.org</a></span>
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<p><a id="X81488B807F2A1CF1" name="X81488B807F2A1CF1"></a></p>
<h3>Copyright</h3>
<p>Copyright © (1987-2016) for the core part of the <strong class="pkg">GAP</strong> system by the <strong class="pkg">GAP</strong> Group.</p>

<p>Most parts of this distribution, including the core part of the <strong class="pkg">GAP</strong> system are distributed under the terms of the GNU General Public License, see <span class="URL"><a href="http://www.gnu.org/licenses/gpl.html">http://www.gnu.org/licenses/gpl.html</a></span> or the file <code class="file">GPL</code> in the <code class="file">etc</code> directory of the <strong class="pkg">GAP</strong> installation.</p>

<p>More detailed information about copyright and licenses of parts of this distribution can be found in Section <a href="../../doc/ref/chap1.html#X7950EFA183E3F666"><span class="RefLink">Reference: Copyright and License</span></a> of the <strong class="pkg">GAP</strong> reference manual.</p>

<p><strong class="pkg">GAP</strong> is developed over a long time and has many authors and contributors. More detailed information can be found in Section <a href="../../doc/ref/chap1.html#X877A62A1781C2147"><span class="RefLink">Reference: Authors and Maintainers</span></a> of the <strong class="pkg">GAP</strong> reference manual.</p>

<p><a id="X8537FEB07AF2BEC8" name="X8537FEB07AF2BEC8"></a></p>

<div class="contents">
<h3>Contents<a id="contents" name="contents"></a></h3>

<div class="ContChap"><a href="chap1.html#X874E1D45845007FE">1 <span class="Heading">Preface</span></a>
</div>
<div class="ContChap"><a href="chap2.html#X85866CB686970968">2 <span class="Heading">Changes between <strong class="pkg">GAP</strong> 4.7 and <strong class="pkg">GAP</strong> 4.8</span></a>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap2.html#X806F52968428CE43">2.1 <span class="Heading"><strong class="pkg">GAP</strong> 4.8.2 (February 2016)</span></a>
</span>
<div class="ContSSBlock">
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap2.html#X7A4D15BE8463B72F">2.1-1 <span class="Heading">Changes in the core <strong class="pkg">GAP</strong> system introduced in <strong class="pkg">GAP</strong> 4.8</span></a>
</span>
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap2.html#X7907F66D7C726E9D">2.1-2 <span class="Heading">New and updated packages since <strong class="pkg">GAP</strong> 4.7.8</span></a>
</span>
</div></div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap2.html#X87956276873C1BB4">2.2 <span class="Heading"><strong class="pkg">GAP</strong> 4.8.3 (March 2016)</span></a>
</span>
<div class="ContSSBlock">
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap2.html#X788939AF7ADE4BB2">2.2-1 <span class="Heading">Changes in the core <strong class="pkg">GAP</strong> system introduced in <strong class="pkg">GAP</strong> 4.8.3</span></a>
</span>
</div></div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap2.html#X85F7B6F17D29A589">2.3 <span class="Heading"><strong class="pkg">GAP</strong> 4.8.4 (June 2016)</span></a>
</span>
<div class="ContSSBlock">
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap2.html#X816F70F5782C0939">2.3-1 <span class="Heading">Changes in the core <strong class="pkg">GAP</strong> system introduced in <strong class="pkg">GAP</strong> 4.8.4</span></a>
</span>
</div></div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap2.html#X84E1F4618181F6A3">2.4 <span class="Heading"><strong class="pkg">GAP</strong> 4.8.5 (September 2016)</span></a>
</span>
<div class="ContSSBlock">
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap2.html#X861F03FC7C8079C0">2.4-1 <span class="Heading">Changes in the core <strong class="pkg">GAP</strong> system introduced in <strong class="pkg">GAP</strong> 4.8.5</span></a>
</span>
</div></div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap2.html#X7B6C9EFD7DF68823">2.5 <span class="Heading"><strong class="pkg">GAP</strong> 4.8.6 (November 2016)</span></a>
</span>
<div class="ContSSBlock">
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap2.html#X7F8F96E78174E8CB">2.5-1 <span class="Heading">Changes in the core <strong class="pkg">GAP</strong> system introduced in <strong class="pkg">GAP</strong> 4.8.6</span></a>
</span>
</div></div>
</div>
<div class="ContChap"><a href="chap3.html#X871220D17E7EE651">3 <span class="Heading">Changes between <strong class="pkg">GAP</strong> 4.6 and <strong class="pkg">GAP</strong> 4.7</span></a>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap3.html#X78594AB2871B379E">3.1 <span class="Heading"><strong class="pkg">GAP</strong> 4.7.2 (December 2013)</span></a>
</span>
<div class="ContSSBlock">
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap3.html#X8346E4677FA78976">3.1-1 <span class="Heading">Changes in the core <strong class="pkg">GAP</strong> system introduced in <strong class="pkg">GAP</strong> 4.7</span></a>
</span>
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap3.html#X7EF0C705829B5D2B">3.1-2 <span class="Heading">New and updated packages since <strong class="pkg">GAP</strong> 4.6.5</span></a>
</span>
</div></div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap3.html#X79782A077CCDDD27">3.2 <span class="Heading"><strong class="pkg">GAP</strong> 4.7.3 (February 2014)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap3.html#X80C83AF67E5E6C7F">3.3 <span class="Heading"><strong class="pkg">GAP</strong> 4.7.4 (February 2014)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap3.html#X864C03527D410BF8">3.4 <span class="Heading"><strong class="pkg">GAP</strong> 4.7.5 (May 2014)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap3.html#X79E45BD2790B76BB">3.5 <span class="Heading"><strong class="pkg">GAP</strong> 4.7.6 (November 2014)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap3.html#X86AF9F587D98F31F">3.6 <span class="Heading"><strong class="pkg">GAP</strong> 4.7.7 (February 2015)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap3.html#X7EB1879587C27876">3.7 <span class="Heading"><strong class="pkg">GAP</strong> 4.7.8 (June 2015)</span></a>
</span>
</div>
</div>
<div class="ContChap"><a href="chap4.html#X8175857F79C8AD8E">4 <span class="Heading">Changes between <strong class="pkg">GAP</strong> 4.5 and <strong class="pkg">GAP</strong> 4.6</span></a>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap4.html#X837BB2577D478E55">4.1 <span class="Heading"><strong class="pkg">GAP</strong> 4.6.2 (February 2013)</span></a>
</span>
<div class="ContSSBlock">
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap4.html#X8436976E7E7ED84B">4.1-1 <span class="Heading">Changes in the core <strong class="pkg">GAP</strong> system introduced in <strong class="pkg">GAP</strong> 4.6</span></a>
</span>
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap4.html#X79A4DFE97A230E6D">4.1-2 <span class="Heading">New and updated packages since <strong class="pkg">GAP</strong> 4.5.4</span></a>
</span>
</div></div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap4.html#X7C2A78667F08A971">4.2 <span class="Heading"><strong class="pkg">GAP</strong> 4.6.3 (March 2013)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap4.html#X82859C4083F0D7B9">4.3 <span class="Heading"><strong class="pkg">GAP</strong> 4.6.4 (April 2013)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap4.html#X7F7F29B27BF76872">4.4 <span class="Heading"><strong class="pkg">GAP</strong> 4.6.5 (July 2013)</span></a>
</span>
</div>
</div>
<div class="ContChap"><a href="chap5.html#X837AADDA7EA9A541">5 <span class="Heading">Changes between <strong class="pkg">GAP</strong> 4.4 and <strong class="pkg">GAP</strong> 4.5</span></a>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap5.html#X7DA602757C152B0C">5.1 <span class="Heading">Changes in the core <strong class="pkg">GAP</strong> system introduced in <strong class="pkg">GAP</strong> 4.5</span></a>
</span>
<div class="ContSSBlock">
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap5.html#X84FC44718386FA1A">5.1-1 <span class="Heading">Improved functionality</span></a>
</span>
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap5.html#X7E24E9DE7CADD1B7">5.1-2 <span class="Heading">Changes in distribution formats</span></a>
</span>
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap5.html#X80AB8641792E74C9">5.1-3 <span class="Heading">Improvements to the user interface</span></a>
</span>
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap5.html#X81318FC0873923C3">5.1-4 <span class="Heading">Better documentation</span></a>
</span>
</div></div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap5.html#X85D796968453CFBF">5.2 <span class="Heading">Packages in <strong class="pkg">GAP</strong> 4.5</span></a>
</span>
<div class="ContSSBlock">
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap5.html#X7E8089C881AB6BA1">5.2-1 <span class="Heading">Interface between the core system and packages</span></a>
</span>
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap5.html#X81A313117C30EC28">5.2-2 <span class="Heading">New and updated packages since <strong class="pkg">GAP</strong> 4.4.12</span></a>
</span>
</div></div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap5.html#X83D3FC7781921387">5.3 <span class="Heading"><strong class="pkg">GAP</strong> 4.5.5 (July 2012)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap5.html#X79311F9185A267DB">5.4 <span class="Heading"><strong class="pkg">GAP</strong> 4.5.6 (September 2012)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap5.html#X81528B5F78B996D2">5.5 <span class="Heading"><strong class="pkg">GAP</strong> 4.5.7 (December 2012)</span></a>
</span>
</div>
</div>
<div class="ContChap"><a href="chap6.html#X78AE465E7AA00F25">6 <span class="Heading">Overview of updates for <strong class="pkg">GAP</strong> 4.4</span></a>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X82AB84287ED2B8FF">6.1 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Bugfix 2 (April 2004)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X8208E7F578754467">6.2 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Bugfix 3 (May 2004)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X87A965F97E6E6BD0">6.3 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Bugfix 4 (December 2004)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X80221EDA877CC106">6.4 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Update 5 (May 2005)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X80F9D3E07DD59BD9">6.5 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Update 6 (September 2005)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X7B8B22C77DC970F8">6.6 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Update 7 (March 2006)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X7B61699179F631E0">6.7 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Update 8 (September 2006)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X81B223647C9BD9B9">6.8 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Update 9 (November 2006)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X7BB4EC1F7B130FD5">6.9 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Update 10 (October 2007)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X7E4C6820809F2384">6.10 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Update 11 (December 2008)</span></a>
</span>
</div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap6.html#X7F5BBE877AAA4BEE">6.11 <span class="Heading"><strong class="pkg">GAP</strong> 4.4 Update 12 (December 2008)</span></a>
</span>
</div>
</div>
<div class="ContChap"><a href="chap7.html#X7F5DE9997CF43125">7 <span class="Heading">Changes from Earlier Versions</span></a>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap7.html#X7DBACE2286A43A31">7.1 <span class="Heading">Changes between <strong class="pkg">GAP</strong> 4.3 and <strong class="pkg">GAP</strong> 4.4</span></a>
</span>
<div class="ContSSBlock">
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap7.html#X7C5AC61F824086D6">7.1-1 <span class="Heading">Potentially Incompatible Changes</span></a>
</span>
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap7.html#X7D9702E3815BE9FB">7.1-2 <span class="Heading">New Packages</span></a>
</span>
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap7.html#X7DA8709A850E772D">7.1-3 <span class="Heading">Performance Enhancements</span></a>
</span>
<span class="ContSS"><br /><span class="nocss">&nbsp;&nbsp;</span><a href="chap7.html#X83E1A0D87D3D1EAF">7.1-4 <span class="Heading">New Programming and User Features</span></a>
</span>
</div></div>
<div class="ContSect"><span class="tocline"><span class="nocss">&nbsp;</span><a href="chap7.html#X8205C966783E6F37">7.2 <span class="Heading">Earlier Changes</span></a>
</span>
</div>
</div>
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