[SCIP] SCIP Optimization Suite 7.0

[Gerald Gamrath]

Dear SCIP users,

We are happy to announce the release of the SCIP Optimization Suite 7.0 
<https://scip.zib.de/#download>.
It consists of SCIP 7.0, SoPlex 5.0, ZIMPL 3.3.9, UG 0.8.9, GCG 3.0.3, and
PaPILO 1.0. Additionally, SCIP-SDP 3.2 
<http://www.opt.tu-darmstadt.de/scipsdp/> has been released.

New features of the SCIP Optimization Suite 7.0 include

- the first release of PaPILO, a Parallel Presolve Library for Integer 
Linear Optimization,
- tree size estimation methods to predict the search progress and 
trigger restarts,
- the extension of SCIP’s Benders’ decomposition to handle convex MINLP 
subproblems,
- a data structure to store decomposition information, used in primal 
heuristics and
   Benders' decomposition,
- a revision of SCIP’s symmetry handling methods allowing the combination of
   polyhedral methods with orbital fixing,

and many further improvements and additions, resulting in significant
speedups for both MIP and MINLP.

For more information check out our website http://scip.zib.de, the
Release Notes <https://scip.zib.de/doc-7.0.0/html/RN70.php>, and the 
accompanying release report with an in-depth
description of the enhancements, which is available at Optimization Online:
http://www.optimization-online.org/DB_HTML/2020/03/7705.html

Best regards,
the SCIP team and friends

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