Version 7.7.1 (September 16, 2013)

 XQUERY
 - new map syntax: { 'key' : 'value' }
 - tail call optimization for dynamic functions
 - optimize fn:subsequence() calls and sequence casts
 - db:optimize(): original options are preserved

 WEBDAV
 - return non-breakable spaces as &#xA0;

 CORE
 - avoid OutOfMemory exception when building large databases
Version 7.7.1 (September 16, 2013)

 XQUERY
 - new map syntax: { 'key' : 'value' }
 - tail call optimization for dynamic functions
 - optimize fn:subsequence() calls and sequence casts
 - db:optimize(): original options are preserved

 WEBDAV
 - return non-breakable spaces as &#xA0;

 CORE
 - avoid OutOfMemory exception when building large databases