release 5.4.1

IPython/core/release.py

@@ -20,11 +20,11 b" name = 'ipython'"
 # release.  'dev' as a _version_extra string means this is a development
 # version
 _version_major = 5
-_version_minor = 5
-_version_patch = 0
+_version_minor = 4
+_version_patch = 1
 _version_extra = '.dev'
 # _version_extra = 'rc1'
-# _version_extra = ''  # Uncomment this for full releases
+_version_extra = ''  # Uncomment this for full releases
 
 # release.codename is deprecated in 2.0, will be removed in 3.0
 codename = ''

docs/source/whatsnew/index.rst

@@ -20,7 +20,6 b' development work they do here in a user friendly format.'
 .. toctree::
    :maxdepth: 1
 
-   development
    version5
    github-stats-5
    version4

docs/source/whatsnew/version5.rst

@@ -2,6 +2,12 b''
  5.x Series
 ============
 
+IPython 5.4.1
+=============
+
+Released a few hours after 5.4, fix a crash when
+``backports.shutil-get-terminal-size`` is not installed. :ghissue:`10629`
+
 IPython 5.4
 ===========