diff --git a/CHANGELOG b/CHANGELOG
index 86cdd62310..eed3516983 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -7,6 +7,16 @@
 # This file chronicles user-level changes, beginning with the most recent.
 # =============================================================================
 
+Version 2.28.0 released 2023/03/17
+
+- Added new Gaussian elimination options for F-relaxation in MGR.
+- Switched to read-the-docs theme for documentation.
+- Using autoconf 2.71 now to generate 'configure' script.
+- Improved error handling for multi-component vectors.
+- Various bug fixes
+
+#====================================
+
 Version 2.27.0 released 2022/12/20
 
 - New SStructMatrix and SStructVector AddFEMBoxValues() routines to set finite
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6e6618b61c..f5f4065bae 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -12,9 +12,9 @@ else ()
 endif ()
 
 # The version number.
-set(HYPRE_VERSION 2.27.0)
-set(HYPRE_NUMBER  22700)
-set(HYPRE_DATE    2022/12/20)
+set(HYPRE_VERSION 2.28.0)
+set(HYPRE_NUMBER  22800)
+set(HYPRE_DATE    2023/03/17)
 set(HYPRE_TIME    00:00:00)
 set(HYPRE_BUGS    https://github.com/hypre-space/hypre/issues)
 set(HYPRE_SRCDIR  "${PROJECT_SOURCE_DIR}")
diff --git a/src/config/configure.in b/src/config/configure.in
index 36a18b8541..2fa2b7fad1 100644
--- a/src/config/configure.in
+++ b/src/config/configure.in
@@ -48,9 +48,9 @@ dnl * Set package information so it only has to be modified in one place
 dnl *********************************************************************
 
 m4_define([M4_HYPRE_NAME],    [hypre])
-m4_define([M4_HYPRE_VERSION], [2.27.0])
-m4_define([M4_HYPRE_NUMBER],  [22700])
-m4_define([M4_HYPRE_DATE],    [2022/12/20])
+m4_define([M4_HYPRE_VERSION], [2.28.0])
+m4_define([M4_HYPRE_NUMBER],  [22800])
+m4_define([M4_HYPRE_DATE],    [2023/03/17])
 m4_define([M4_HYPRE_TIME],    [00:00:00])
 m4_define([M4_HYPRE_BUGS],    [https://github.com/hypre-space/hypre/issues])
 m4_define([M4_HYPRE_SRCDIR],  [`pwd`])
diff --git a/src/config/version.sh b/src/config/version.sh
index 7106f2296a..af82490882 100755
--- a/src/config/version.sh
+++ b/src/config/version.sh
@@ -4,8 +4,8 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
-hypre_version="2.27.0"
-hypre_reldate="2022/12/20"
+hypre_version="2.28.0"
+hypre_reldate="2023/03/17"
 
 hypre_major=`echo $hypre_version | cut -d. -f 1`
 hypre_minor=`echo $hypre_version | cut -d. -f 2`
diff --git a/src/configure b/src/configure
index 22f6b7188c..d5c5891509 100755
--- a/src/configure
+++ b/src/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 # From configure.in Id.
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for hypre 2.27.0.
+# Generated by GNU Autoconf 2.71 for hypre 2.28.0.
 #
 #
 # Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
@@ -612,8 +612,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='hypre'
 PACKAGE_TARNAME='hypre'
-PACKAGE_VERSION='2.27.0'
-PACKAGE_STRING='hypre 2.27.0'
+PACKAGE_VERSION='2.28.0'
+PACKAGE_STRING='hypre 2.28.0'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1464,7 +1464,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures hypre 2.27.0 to adapt to many kinds of systems.
+\`configure' configures hypre 2.28.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1530,7 +1530,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of hypre 2.27.0:";;
+     short | recursive ) echo "Configuration of hypre 2.28.0:";;
    esac
   cat <<\_ACEOF
 
@@ -1877,7 +1877,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-hypre configure 2.27.0
+hypre configure 2.28.0
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -2222,7 +2222,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by hypre $as_me 2.27.0, which was
+It was created by hypre $as_me 2.28.0, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -3203,9 +3203,9 @@ ac_config_headers="$ac_config_headers HYPRE_config.h:config/HYPRE_config.h.in"
 
 
 HYPRE_NAME="hypre"
-HYPRE_VERSION="2.27.0"
-HYPRE_NUMBER=22700
-HYPRE_DATE="2022/12/20"
+HYPRE_VERSION="2.28.0"
+HYPRE_NUMBER=22800
+HYPRE_DATE="2023/03/17"
 HYPRE_TIME="00:00:00"
 HYPRE_BUGS="https://github.com/hypre-space/hypre/issues"
 HYPRE_SRCDIR="`pwd`"
@@ -11669,7 +11669,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by hypre $as_me 2.27.0, which was
+This file was extended by hypre $as_me 2.28.0, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -11733,7 +11733,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-hypre config.status 2.27.0
+hypre config.status 2.28.0
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
diff --git a/src/docs/ref-manual/conf.doxygen b/src/docs/ref-manual/conf.doxygen
index 538c76efdd..840f596a96 100644
--- a/src/docs/ref-manual/conf.doxygen
+++ b/src/docs/ref-manual/conf.doxygen
@@ -48,7 +48,7 @@ PROJECT_NAME           = hypre
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER = 2.27.0
+PROJECT_NUMBER = 2.28.0
 
 # 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/docs/usr-manual/conf.py b/src/docs/usr-manual/conf.py
index 724dc68a2a..9cc8cc2133 100644
--- a/src/docs/usr-manual/conf.py
+++ b/src/docs/usr-manual/conf.py
@@ -70,9 +70,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '2.27.0'
+version = '2.28.0'
 # The full version, including alpha/beta/rc tags.
-release = '2.27.0'
+release = '2.28.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -80,7 +80,7 @@
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
-today = 'December 20, 2022'
+today = 'March 17, 2023'
 # Else, today_fmt is used as the format for a strftime call.
 #today_fmt = '%B %d, %Y'