COPT 7.1.1
==========
Fixed an issue regarding GPU support.
Fixed an issue regarding model modification.
Fixed minor issues in MIP solver.
Revised Chinese and English documentations.

COPT 7.1.0
==========
Main features of COPT 7.1:
COPT first-order LP solver with GPU support
COPT MIP solver performance improvements
COPT Python modelling performance improvements

Major components introduced in previous releases
Parallelized optimization solvers:
COPT MIP solver
COPT LP barrier solver
COPT LP simplex solver
COPT (MI)SOCP solver
COPT convex (MI)QP solver
COPT convex (MI)QCP solver
COPT SDP solver
Utilities:
COPT callback functionality
COPT IIS for infeasible problems
COPT Feas-Relax utility
COPT Tuner

Modeling interfaces:
Object-oriented: Python, C++, C#, Java
Third-party    : Julia, AIMMS, AMPL, GAMS, PuLP, Pyomo, CVXPY
C interfaces which work with matrices and vectors

Licensing and remote services:
COPT personal license
COPT server license
COPT floating token server
COPT cluster server
COPT web license service

Supported platforms and OS:
Windows: x86
Linux  : x86 and arm64
MacOSX : x86 and arm64
