This release is an SQL 2014 fix release.
And an installer fix release.
Previous editions have no changes.
It addresses the following:
The 188.8.131.52 release's SQL 2014 installer didn't work for SQL 2014 RTM.
The x64 installer also showed x86 for both x64 and x86 in SQL 2014.
Enable detection of SQL Server Data Tools (2012 or 2014)
Enable detection of SQL Server BIDS (2005 or 2008)
Please download the x64 of x32 file based on the bitness of your SQL Server installation.