release/v2.23.0: updating version numbers.

.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:
-v2.22.0
+v2.23.0

RELEASE-NOTES.txt

@@ -5,6 +5,12 @@ 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.2.23.0 (22 April 2020)
+======================================================================
+
+- updated Stan Math to 3.2
+- `rvalue` and `assign` now accept generic Eigen expressions
+
 v.2.22.0 (24 January 2020)
 ======================================================================
 

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         = 2.22.0
+PROJECT_NUMBER         = 2.23.0
 
 # 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

src/stan/version.hpp

@@ -12,7 +12,7 @@
 #endif
 
 #define STAN_MAJOR 2
-#define STAN_MINOR 22
+#define STAN_MINOR 23
 #define STAN_PATCH 0
 
 namespace stan {

src/test/unit/version_test.cpp

@@ -3,12 +3,12 @@
 
 TEST(Stan, macro) {
   EXPECT_EQ(2, STAN_MAJOR);
-  EXPECT_EQ(22, STAN_MINOR);
+  EXPECT_EQ(23, STAN_MINOR);
   EXPECT_EQ(0, STAN_PATCH);
 }
 
 TEST(Stan, version) {
   EXPECT_EQ("2", stan::MAJOR_VERSION);
-  EXPECT_EQ("22", stan::MINOR_VERSION);
+  EXPECT_EQ("23", stan::MINOR_VERSION);
   EXPECT_EQ("0", stan::PATCH_VERSION);
 }