COPT 7.1.5
==========
Fixed an issue in MIP presolver.
Fixed an issue regarding getA method in Python interface.
Fixed a potential memory issue regarding Python interface.
Improved COPT cluster connection glitch handling.

COPT 7.1.4
==========
Added a preview of exponential cone solver.
Added matrix modeling support using C++.
Added experimental performance improvement features with Python matrix modeling.
Added the support for modifying a set of coefficients in constraint matrix.
Updated Chinese and English documentations regarding new solver and features.
Fixed a callback issue regarding infeasible MIP.
Fixed a numerical issue handling in simplex method.
Fixed other bugs and issues.
Merged python type hints into coptpy package.
Improved CBF format IO support.
Improved license support regarding COPT remote services and web-license.

COPT 7.1.3
==========
Fixed numeric issues in MIP solver.
Fixed an issue regarding addMConstr.
Fixed an issue regarding callbacks and lazy constraints.
Fixed an LP status issue regarding solving certain unbounded LPs using simplex method.

COPT 7.1.2
==========
Improved the performance of the GPU-accelerated first-order LP solver.
Fixed an compatibility issue with CUDA 12.4.
Fixed an issue regarding web license.
Fixed an numerical issue in MIP presolver.
Fixed an issue regarding indicators in MIP presolver.
Fixed an issue regarding SOCP maximization.
Fixed other issues.
Added the support for updating list of constraint coefficients.
Added the support for updating list of names in modeling interfaces.
Updated Chinese and English documentations accordingly.

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
