From 3ef6723145a75b2122b5f6290d9f379d518dec95 Mon Sep 17 00:00:00 2001
From: Nicusor Serban <serban.nicusor@toptal.com>
Date: Tue, 26 Jan 2021 14:35:44 +0100
Subject: [PATCH] release/v2.26.0: updating version numbers

---
 .github/ISSUE_TEMPLATE.md      |  2 +-
 RELEASE-NOTES.txt              | 12 ++++++++++++
 src/doxygen/doxygen.cfg        |  2 +-
 src/stan/version.hpp           |  2 +-
 src/test/unit/version_test.cpp |  4 ++--
 5 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index 7d122fe58b2..def58c2da8c 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -24,4 +24,4 @@ Describe what you expect the output to be. Knowing the correct behavior is also
 Provide any additional information here.
 
 #### Current Version:
-v2.25.0
+v2.26.0
diff --git a/RELEASE-NOTES.txt b/RELEASE-NOTES.txt
index 738c3ad5b33..0864d9f75b3 100644
--- a/RELEASE-NOTES.txt
+++ b/RELEASE-NOTES.txt
@@ -5,6 +5,18 @@ Note: these are the release notes for the stan-dev/stan repository.
 Further changes may arise at the interface level (stan-dev/{rstan,
 pystan, cmdstan}) and math library level (stan-dev/math).
 
+v.2.26.0 (26 January 2021)
+======================================================================
+
+- Improved performance for assigning to slices of matrices and vectors and vector-style indexing (#2962, #2964, #2965, #2973).
+- Improved error messages on range checks. (#2978)
+- Allowed Stan CSV files to have first column be any Stan variable name, not just "lp__".
+- Removed .eval() in rvalue() where applicable. (#2974)
+- Allowed reader to accept Eigen vector and use Eigen Map to access inputs. (#2955)
+- Allowed functions in reader to output a `var_value<Eigen::Matrix<T, R, C>>`.
+- Added assignment to `var_value<Eigen::Matrix<T, R, C>>`.
+- Added rvalue overloads for `var_value<Eigen::Matrix<T, R, C>>`.
+
 v.2.25.0 (26 October 2020)
 ======================================================================
 
diff --git a/src/doxygen/doxygen.cfg b/src/doxygen/doxygen.cfg
index dd14078a7db..9b595070f1d 100644
--- a/src/doxygen/doxygen.cfg
+++ b/src/doxygen/doxygen.cfg
@@ -38,7 +38,7 @@ PROJECT_NAME           = "Stan"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2.25.0
+PROJECT_NUMBER         = 2.26.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/src/stan/version.hpp b/src/stan/version.hpp
index fcf3ea0f756..6352a587e34 100644
--- a/src/stan/version.hpp
+++ b/src/stan/version.hpp
@@ -12,7 +12,7 @@
 #endif
 
 #define STAN_MAJOR 2
-#define STAN_MINOR 25
+#define STAN_MINOR 26
 #define STAN_PATCH 0
 
 namespace stan {
diff --git a/src/test/unit/version_test.cpp b/src/test/unit/version_test.cpp
index fc23de16b4b..f4e0e61451f 100644
--- a/src/test/unit/version_test.cpp
+++ b/src/test/unit/version_test.cpp
@@ -3,12 +3,12 @@
 
 TEST(Stan, macro) {
   EXPECT_EQ(2, STAN_MAJOR);
-  EXPECT_EQ(25, STAN_MINOR);
+  EXPECT_EQ(26, STAN_MINOR);
   EXPECT_EQ(0, STAN_PATCH);
 }
 
 TEST(Stan, version) {
   EXPECT_EQ("2", stan::MAJOR_VERSION);
-  EXPECT_EQ("25", stan::MINOR_VERSION);
+  EXPECT_EQ("26", stan::MINOR_VERSION);
   EXPECT_EQ("0", stan::PATCH_VERSION);
 }