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<p>Dear SCIP community, <br>
<br>
We are happy to announce the release of the <a
href="https://scipopt.org/index.php#news">SCIP Optimization
Suite 8.0</a>, which consists of SCIP 8.0.0, GCG 3.5.0, SoPlex
6.0.0, PaPILO 2.0.0, UG 1.0.0 beta and ZIMPL 3.5.1. A new
version of SCIP-SDP 4.0.0 has been available at <a
class="moz-txt-link-freetext"
href="http://www.opt.tu-darmstadt.de/scipsdp/">http://www.opt.tu-darmstadt.de/scipsdp/</a>
since September 2021. <br>
<br>
This release comes with improved performance on linear and
nonconvex mixed-integer optimization out-of-the-box and many new
features like <br>
<br>
- a new framework for handling nonlinear constraints, <br>
- symmetry handling on general variables, <br>
- a new separator for mixing cuts, <br>
- new and improved decomposition-based heuristics, <br>
- updates to the Benders decomposition framework, <br>
- dual postsolving of LP solutions in PaPILO, <br>
- substantial ecosystem improvements in GCG, <br>
- a major revision and generalization of the UG framework, <br>
- improved heuristics, presolving, and relaxations in SCIP-SDP,
<br>
- major performance improvements to the Steiner tree code
SCIP-Jack, <br>
- and new and improved SCIP interfaces (MATLAB and SCIP.jl). <br>
<br>
For further details please have a look at <a>scipopt.org</a>
and the accompanying release report, which is available <br>
at Optimization Online: <br>
</p>
<p> <a
href="http://www.optimization-online.org/DB_HTML/2021/12/8728.html"
class="moz-txt-link-freetext">http://www.optimization-online.org/DB_HTML/2021/12/8728.html</a></p>
<p>We invite you to download the new version and try it out. To
help us improve even further please let us know if you encounter
any problems.</p>
<p>Kind regards, <br>
The SCIP team </p>
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