diff --git a/Changelog b/Changelog
index b96ddd40a7..94701be56b 100644
--- a/Changelog
+++ b/Changelog
@@ -29,20 +29,63 @@ Upcoming Release
 
 New features
 ------------
+* TRK <=> TCK streamlines conversion CLI tools (pr/606) (MC, reviewed by CM)
 * Image slicing for SpatialImages (pr/550) (CM)
 
 Enhancements
 ------------
 * Simplfiy MGHImage and add footer fields (pr/569) (CM, reviewed by MB)
+* Force sform/qform codes to be ints, rather than numpy types (pr/575) (Paul
+  McCarthy, reviewed by MB, CM)
+* Auto-fill color table in FreeSurfer annotation file (pr/592) (Paul McCarthy,
+  reviewed by CM, MB)
+* Set default intent code for CIFTI2 images (pr/604) (Mathias Goncalves,
+  reviewed by CM, Satra Ghosh, MB, Tim Coalson)
+* Raise informative error on empty files (pr/611) (Pradeep Raamana, reviewed
+  by CM, MB)
+* Accept degenerate filenames such as ``.nii`` (pr/621) (Dimitri
+  Papadopoulos-Orfanos, reviewed by Yaroslav Halchenko)
+* Take advantage of ``IndexedGzipFile`` ``drop_handles`` flag to release
+  filehandles by default (pr/614) (Paul McCarthy, reviewed by CM, MB)
 
 Bug fixes
 ---------
+* Preserve first point of `LazyTractogram` (pr/588) (MC, reviewed by Nil
+  Goyette, CM, MB)
+* Stop adding extraneous metadata padding (pr/593) (Jon Stutters, reviewed by
+  CM, MB)
+* Accept lower-case orientation codes in TRK files (pr/600) (Kesshi Jordan,
+  MB, reviewed by MB, MC, CM)
+* Annotation file reading (pr/592) (Paul McCarthy, reviewed by CM, MB)
+* Fix buffer size calculation in ArraySequence (pr/597) (Serge Koudoro,
+  reviewed by MC, MB, Eleftherios Garyfallidis, CM)
+* Resolve ``UnboundLocalError`` in Python 3 (pr/607) (Jakub Kaczmarzyk,
+  reviewed by MB, CM)
+* Do not crash on non-``ImportError`` failures in optional imports (pr/618)
+  (Yaroslav Halchenko, reviewed by CM)
+* Return original array from ``get_fdata`` for array image, if no cast
+  required (pr/638, MB, reviewed by CM)
 
 Maintenance
 -----------
+* Use SSH address to use key-based auth (pr/587) (CM, reviewed by MB)
+* Fix doctests for numpy 1.14 array printing (pr/591) (MB, reviewed by CM)
+* Refactor for pydicom 1.0 API changes (pr/599) (MB, reviewed by CM)
+* Increase test coverage, remove unreachable code (pr/602) (CM, reviewed by 
+  Yaroslav Halchenko, MB)
+* Move ``nib-ls`` and other programs to a new cmdline module (pr/601, pr/615)
+  (Chris Cheng, reviewed by MB, Yaroslav Halchenko)
+* Remove deprecated numpy indexing (EL, reviewed by CM)
+* Update documentation to encourage ``get_fdata`` over ``get_data`` (pr/637,
+  MB, reviewed by CM)
 
 API changes and deprecations
 ----------------------------
+* Support for ``keep_file_open = 'auto'`` as a parameter to ``Opener()`` will
+  be deprecated in 2.4, for removal in 3.0. Accordingly, support for
+  ``openers.KEEP_FILE_OPEN_DEFAULT = 'auto'`` will be dropped on the same
+  schedule.
+* Drop-in support for ``indexed_gzip < 0.7`` has been removed.
 
 
 2.2.1 (Wednesday 22 November 2017)
diff --git a/doc/source/conf.py b/doc/source/conf.py
index cb4bb8cb49..ac95cc1dd9 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -87,7 +87,7 @@
 
 # General information about the project.
 project = u'NiBabel'
-copyright = u'2006-2017, %(MAINTAINER)s <%(AUTHOR_EMAIL)s>' % rel
+copyright = u'2006-2018, %(MAINTAINER)s <%(AUTHOR_EMAIL)s>' % rel
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
diff --git a/doc/source/index.rst b/doc/source/index.rst
index f623c931d2..b4f2ebd596 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -80,6 +80,13 @@ contributed code and discussion (in rough order of appearance):
 * Mark Hymers
 * Jasper J.F. van den Bosch
 * Bennet Fauber
+* Kesshi Jordan
+* Jon Stutters
+* Serge Koudoro
+* Christopher P. Cheng
+* Mathias Goncalves
+* Jakub Kaczmarzyk
+* Dimitri Papadopoulos Orfanos
 
 License reprise
 ===============
diff --git a/nibabel/info.py b/nibabel/info.py
index 83982dd8f2..a40e528369 100644
--- a/nibabel/info.py
+++ b/nibabel/info.py
@@ -19,8 +19,8 @@
 _version_major = 2
 _version_minor = 3
 _version_micro = 0
-_version_extra = 'dev'
-# _version_extra = ''
+# _version_extra = 'dev'
+_version_extra = ''
 
 # Format expected by setup.py and doc/source/conf.py: string of form "X.Y.Z"
 __version__ = "%s.%s.%s%s" % (_version_major,