2017-03-21, Version 4.8.1 'Argon' (LTS)

Notable Changes:

* buffer:
  - The performance of `.toJSON()` is now up to 2859% faster on average
    (Brian White) #10895

* IPC:
  - Batched writes have been enabled for process IPC on platforms that
    support Unix Domain Sockets. (Alexey Orlenko)
    #10677
  - Performance gains may be up to 40% for some workloads.

* http:
  - Control characters are now always rejected when using
    `http.request()`. (Ben Noordhuis)
    #8923

* node:
  - Heap statistics now support values larger than 4GB. (Ben Noordhuis)
    #10186

PR-URL: #11760

CHANGELOG.md

@@ -84,7 +84,8 @@ release.
 <a href="doc/changelogs/CHANGELOG_V5.md#5.0.0">5.0.0</a><br/>
   </td>
   <td valign="top">
-<b><a href="doc/changelogs/CHANGELOG_V4.md#4.8.0">4.8.0</a></b><br/>
+<b><a href="doc/changelogs/CHANGELOG_V4.md#4.8.1">4.8.1</a></b><br/>
+<a href="doc/changelogs/CHANGELOG_V4.md#4.8.0">4.8.0</a><br/>
 <a href="doc/changelogs/CHANGELOG_V4.md#4.7.3">4.7.3</a><br/>
 <a href="doc/changelogs/CHANGELOG_V4.md#4.7.2">4.7.2</a><br/>
 <a href="doc/changelogs/CHANGELOG_V4.md#4.7.1">4.7.1</a><br/>