(MODULES-5508) release prep for 4.20.0

CHANGELOG.md

@@ -3,6 +3,21 @@
 All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org).
 
+## Supported Release 4.20.0
+### Summary
+
+This release adds new functions and updated README translations.
+
+#### Added
+- `to_json`, `to_json_pretty`, and `to_yaml` functions
+- new Japanese README translations
+
+#### Fixed
+- compatibility issue with older versions of Puppet and the `pw_hash` function ([MODULES-5546](https://tickets.puppet.com/browse/MODULES-5546))
+
+#### Removed
+- support for EOL platform Debian 6 (Squeeze)
+
 ## Supported Release 4.19.0
 ### Summary
 

metadata.json

@@ -1,6 +1,6 @@
 {
   "name": "puppetlabs-stdlib",
-  "version": "4.19.0",
+  "version": "4.20.0",
   "author": "puppetlabs",
   "summary": "Standard library of resources for Puppet modules.",
   "license": "Apache-2.0",
@@ -55,7 +55,6 @@
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
-        "6",
         "7",
         "8"
       ]