A new update is available for Base SAS , version 9.4_M4 :
The BETWEEN operator might re-order values, possibly leading to unexpected results in a linguistic-sensitive environment
A performance issue occurs when you join a SAS® table with a DBMS table and you have a CALCUALTED column in the WHERE clause
Performance enhancements have been made to PROC SQL views
When using a numeric value instead of a date constant to subset a DBMS table, unexpected results or performance problems occur
Note: A comprehensive list of all SAS hot fixes is available from support.sas.com. You can use the SAS Hot Fix Analysis, Download, and Deployment (SASHFADD) tool to manage your SAS hot fixes.