4.2b4 updates

CHANGES

diff --git a/CHANGES b/CHANGES
index dacf67b..9e88dcc 100644
--- a/CHANGES
+++ b/CHANGES
@@ -18,7 +18,6 @@
 * https://github.com/yaml/pyyaml/pull/62  -- Remove tox workaround for Travis CI
 * https://github.com/yaml/pyyaml/pull/63  -- Adding support to Unicode characters over codepoint 0xffff
 * https://github.com/yaml/pyyaml/pull/65  -- Support unicode literals over codepoint 0xffff
-* https://github.com/yaml/pyyaml/pull/74  -- Make pyyaml safe by default.
 * https://github.com/yaml/pyyaml/pull/75  -- add 3.12 changelog
 * https://github.com/yaml/pyyaml/pull/76  -- Fallback to Pure Python if Compilation fails
 * https://github.com/yaml/pyyaml/pull/84  -- Drop unsupported Python 3.3
@@ -175,5 +174,5 @@
 
 * Initial release.  The version number reflects the codename
   of the project (PyYAML 3000) and differentiates it from
-  the abandoned PyYaml module. 
+  the abandoned PyYaml module.
 

announcement.msg

diff --git a/announcement.msg b/announcement.msg
index 24ca6eb..cb3b799 100644
--- a/announcement.msg
+++ b/announcement.msg
@@ -37,7 +37,6 @@
 * https://github.com/yaml/pyyaml/pull/62  -- Remove tox workaround for Travis CI
 * https://github.com/yaml/pyyaml/pull/63  -- Adding support to Unicode characters over codepoint 0xffff
 * https://github.com/yaml/pyyaml/pull/65  -- Support unicode literals over codepoint 0xffff
-* https://github.com/yaml/pyyaml/pull/74  -- Make pyyaml safe by default.
 * https://github.com/yaml/pyyaml/pull/75  -- add 3.12 changelog
 * https://github.com/yaml/pyyaml/pull/76  -- Fallback to Pure Python if Compilation fails
 * https://github.com/yaml/pyyaml/pull/84  -- Drop unsupported Python 3.3
@@ -101,13 +100,10 @@
 Maintainers
 ===========
 
-The following people are responsible for maintaining PyYAML:
+The following people are currently responsible for maintaining PyYAML:
 
 * Ingy döt Net
-* Ian Cordasco
 * Tina Mueller
-* Alex Gaynor
-* Donald Stufft
 * Matt Davis
 
 and many thanks to all who have contribributed!

setup.py

diff --git a/setup.py b/setup.py
index ea06df5..b9a635f 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 
 NAME = 'PyYAML'
-VERSION = '4.2'
+VERSION = '4.2b4'
 DESCRIPTION = "YAML parser and emitter for Python"
 LONG_DESCRIPTION = """\
 YAML is a data serialization format designed for human readability