The MonetDB team at CWI/MonetDB BV is pleased to announce the Dec2016-SP4 bugfix release of the MonetDB suite of programs. More information about MonetDB can be found on our website at <http://www.monetdb.org/>. For details on this release, please see the release notes at <http://www.monetdb.org/Downloads/ReleaseNotes>. As usual, the download location is <http://dev.monetdb.org/downloads/>. Dec 2016-SP4 bugfix release MonetDB5 Server * Fixed a bug causing a crash during cleanup when mserver5 is stopped with monetdb stop database. * Some memory leaks were plugged. MonetDB Common * A potential deadlock was fixed in order index creation. * A bug that could happen during recovery of the write-ahead log (WAL) was fixed. See changeset 98ad79c555cc for details. SQL * Some memory leaks were plugged. * Upgrade code was added for an old change in the sys.settimeout function. * A bug was fixed with the automatic "vacuum" operation on system tables. Bug Fixes * 6110: cast of a SQL boolean value to a string or clob or (var)char is wrong * 6254: Crash (and assertion failure) after querying a view which uses a correlated subquery in the select-list * 6256: Assertion Trigger on FULL OUTER JOIN with more than two BETWEEN clauses * 6257: wrong count values (1 instead of 0) for correlated aggregation queries * 6258: Vulnerability in FITS and NETCDF data vaults * 6259: crash on select query from sqlitelogictests * 6260: Sqlitelogictest crash * 6288: Function cannot find column in merge table * 6295: msqldump writes unescaped timestamp values when using inserts