changelog of the SciIPOpt Toolbox

## [0.1] - 03/09/2010
- sci_ipopt-0.1: initial release of the Ipopt toolbox.

## [0.1.1] - 25/10/2012
- sci_ipopt-0.1.1:

## [0.2] - 21/05/2014 
- sci_ipopt-0.2: 

## [1.0] - 22/09/2020 
- sci_ipopt-1.0: major release providing compatibility with Scilab >= 6

## [1.1] - 21/10/2020
- sci_ipopt-1.1: improved Hessian handling and allow using Scilab sparse matrices
for the constraint Jacobian and Hessian of the Lagrangian. Better build system under
all platforms including Windows.

## [1.2] - 07/04/2021
- sci_ipopt-1.2: improved NaN and Inf handling, better functions call statistics and
automated upgrade of Intel Fortran runtime under Windows.

## [1.3] - 20/04/2021
- sci_ipopt-1.3: allow [f,df,dh]=fun() syntax when there are no non-linear constraints

## [1.3.1] - 7/6/2021
- sci_ipopt-1.3.1 : 
    * fix multiplication of objective Hessian in the [f,df,dh]=fun() case
    * use arch in prefix for building thirdparties (Linux and macOS)
    * fix build for arm64 architecture on Silicon Macs
    * remove IPOpt banner at start of optimization
    * don't ask for admin passwd for Intel Fortran lib if not needed (Windows)

## [1.3.2] - 5/7/2021
- sci_ipopt-1.3.2 :
    * Update demos (faster display callbacks) 

## [1.3.3] - 13/3/2023
- sci_ipopt-1.3.3 :
    * Upgrade to Scilab >= 2023.0.0

## [1.3.4] - 12/6/2024
- sci_ipopt-1.3.4 :
    * Upgrade to Scilab >= 2024.1.0, create new version with patches in binary version since 1.3.3
 
## [1.3.5] - 15/10/2025
- sci_ipopt-1.3.5 :
    * Upgrade to Scilab >= 2026.0.0
    * fixes in documentation and demo

