v4.7.0 - May 19, 2019

This release closes a major memory leak introduced in 4.6.0 and removes a deadlock condition.

Features

Update to Tika version 1.20 for content extraction module and fix some related bugs
Add in-memory buffer to solve performance issue accessing remote eXist via XML:DB API
Update EXQuery RESTXQ to 0.1.34, fixes parsing issues with Accept and Content-Type HTTP headers

XML serializer leaking memory
Fix deadlock: memory size from the collection does not need a READ_LOCK, it is an estimate anyway
Test suite was not correctly reporting failing tests
Fix ByteArrayPool and CharArrayPool memory leaks
Fix problems with computed namespace construction
When loading XQuery modules dynamically, declared global variables were not analyzed properly
Switch out org.exist.util.hashtable implementation for FastUtil. eXist's implementations have problems with hash-collisions and chaining
Allow for passing options for ft:search queries. This allows to perform leading-wildcard queries on computed index fields
Fix arrow operator and higher order functions: context sequence passed incorrectly
Fix broken XQuery Update for 'insert following'
Fix ArrayOutOfBoundsException querying doc with enclosed expression and fn:id function
Fix EXPath HTTP Client - Previously when override-media-type was set and a charset was specified, the charset was ignored
Fix an issue introduced by PR #2367: a lucene index configured with a match attribute should only be created for nodes matching the path, not all descendant nodes