updated release to v1.3.1 (#1016)

* updated release to v1.3.1

* Update contributors.rst

---------

Co-authored-by: Yuriy Polyakov <ypolyakod@dualitytech.com>

Author: yspolyakov

CMakeLists.txt

@@ -27,7 +27,7 @@ project (OpenFHE C CXX)
 
 set(OPENFHE_VERSION_MAJOR 1)
 set(OPENFHE_VERSION_MINOR 3)
-set(OPENFHE_VERSION_PATCH 0)
+set(OPENFHE_VERSION_PATCH 1)
 set(OPENFHE_VERSION ${OPENFHE_VERSION_MAJOR}.${OPENFHE_VERSION_MINOR}.${OPENFHE_VERSION_PATCH})
 
 set(CMAKE_CXX_STANDARD 17)

README.md

@@ -78,9 +78,9 @@ To get familiar with the main API of OpenFHE, we recommend looking at the code o
        1. [Examples with Scheme Switching between CKKS and FHEW/TFHE](src/pke/examples/scheme-switching.cpp)
    1. Threshold FHE:
        1. [Code Example for BGV, BFV, and CKKS](src/pke/examples/threshold-fhe.cpp)
-       1. [$2$-party Interactive Bootstrapping Examples](src/pke/examples/interactive-bootstrapping.cpp)
-       1. [Simple $n$-party Interactive Bootstrapping Example](src/pke/examples/tckks-interactive-mp-bootstrapping.cpp)
-       1. [$n$-party Interactive Bootstrapping after Chebyshev Approximation](src/pke/examples/tckks-interactive-mp-bootstrapping-Chebyshev.cpp)
+       1. [2-party Interactive Bootstrapping Examples](src/pke/examples/interactive-bootstrapping.cpp)
+       1. [Simple n-party Interactive Bootstrapping Example](src/pke/examples/tckks-interactive-mp-bootstrapping.cpp)
+       1. [n-party Interactive Bootstrapping after Chebyshev Approximation](src/pke/examples/tckks-interactive-mp-bootstrapping-Chebyshev.cpp)
        1. [Code Example for BFV with 5 parties](src/pke/examples/threshold-fhe-5p.cpp)
 
 ## Main API

docs/sphinx_rsts/misc/contributors.rst

@@ -55,6 +55,8 @@ We gratefully acknowledge intellectual and software contributions to the library
 
 * Kevin King (Massachusetts Institute of Technology)
 
+* Jeremy Kun (Google)
+
 * Yongwoo Lee (Samsung Advanced Institute of Technology, Inha University)
 
 * Thomas (Zeyu) Liu (Duality Technologies, Columbia University, Yale University)
@@ -109,6 +111,8 @@ We gratefully acknowledge intellectual and software contributions to the library
 
 * Michael Walter (University of California San Diego)
 
+* Hongren Zheng (Tsinghua University)
+
 * Vincent Zucca (Universite de Perpignan Via Domitia, LIRMM, University of Montpellier, KU Leuven)
 
 **Note.** We have attempted to make an as inclusive a list as possible to identify contributors, but we may of forgotten some important contributors.  Any oversights are unintentional.  If we neglected to identify your contribution, please let us know and we'll update our listing.  If you are on the list of contributors and you'd prefer not to be, please let us know and we'll similarly update our list.

docs/static_docs/Release_Notes.md

@@ -1,3 +1,13 @@
+07/11/2025: OpenFHE 1.3.1 (stable) is released
+
+* Updates the noise estimation models for BGV and BFV, making them slightly more conservative (roughly 1 extra bit is added for each multiplicative level) (#1004)
+* Removes extra rotation indices in CKKS bootstrapping (#998)
+* Fixes a bug with CKKS bootstrapping for N=2^17 (#996)
+* Improves exception handling
+* Fixes several other bugs
+
+The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.3.1%22
+
 05/21/2025: OpenFHE 1.3.0 (development) is released
 
 * Adds the composite scaling modes to CKKS based on https://eprint.iacr.org/2023/1462 (see https://github.com/openfheorg/openfhe-development/blob/main/src/pke/examples/COMPOSITE_SCALING.md for more details)