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Subject svn commit: r19822 [15/36] - in /dev/lucene/lucene-solr-6.6.0-RC4-rev692e09835526170ef4701bcac984b3cbe05fa7c8: ./ lucene-solr-6.6.0-RC4-rev692e09835526170ef4701bcac984b3cbe05fa7c8/ lucene-solr-6.6.0-RC4-rev692e09835526170ef4701bcac984b3cbe05fa7c8/lucen...
Date Sun, 28 May 2017 22:59:24 GMT
Added: dev/lucene/lucene-solr-6.6.0-RC4-rev692e09835526170ef4701bcac984b3cbe05fa7c8/lucene-solr-6.6.0-RC4-rev692e09835526170ef4701bcac984b3cbe05fa7c8/solr/changes/Changes.html
==============================================================================
--- dev/lucene/lucene-solr-6.6.0-RC4-rev692e09835526170ef4701bcac984b3cbe05fa7c8/lucene-solr-6.6.0-RC4-rev692e09835526170ef4701bcac984b3cbe05fa7c8/solr/changes/Changes.html (added)
+++ dev/lucene/lucene-solr-6.6.0-RC4-rev692e09835526170ef4701bcac984b3cbe05fa7c8/lucene-solr-6.6.0-RC4-rev692e09835526170ef4701bcac984b3cbe05fa7c8/solr/changes/Changes.html Sun May 28 22:59:22 2017
@@ -0,0 +1,15409 @@
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+** WARNING: This file is generated from CHANGES.txt by the 
+**          Perl script 'changes2html.pl'.
+**          Do *not* edit this file!
+**********************************************************
+          
+****************************************************************************
+* Licensed to the Apache Software Foundation (ASF) under one or more
+* contributor license agreements.  See the NOTICE file distributed with
+* this work for additional information regarding copyright ownership.
+* The ASF licenses this file to You under the Apache License, Version 2.0
+* (the "License"); you may not use this file except in compliance with
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+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+****************************************************************************
+-->
+<html>
+<head>
+  <title>Apache Solr Release Notes</title>
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+<body>
+
+<h1>Apache Solr Release Notes</h1>
+
+<div id="buttons.parent"></div>
+
+<h2>Introduction</h2>
+      <p>Apache Solr is an open source enterprise search server based on the Apache Lucene Java
+search library, with XML/HTTP and JSON APIs, hit highlighting, faceted search,
+caching, replication, and a web administration interface.
+</p>
+      <p>See <a href="http://lucene.apache.org/solr">http://lucene.apache.org/solr</a> for more information.
+</p>
+<h2>Getting Started</h2>
+      <p>You need a Java 1.8 VM or later installed.
+In this release, there is an example Solr server including a bundled
+servlet container in the directory named "example".
+See the Quick Start guide at <a href="http://lucene.apache.org/solr/quickstart.html">http://lucene.apache.org/solr/quickstart.html</a>
+</p>
+<h2><a id="v6.6.0" href="javascript:toggleList('v6.6.0')">Release 6.6.0 </a></h2>
+<ul id="v6.6.0.list">
+      <li>Consult the <a href="http://lucene.apache.org/core/6_6_0/changes/Changes.html">LUCENE_CHANGES.txt</a> file for additional, low level, changes in this release.
+</li>
+  </li>
+  <li><a id="v6.6.0.versions_of_major_components" href="javascript:toggleList('v6.6.0.versions_of_major_components')">Versions of Major Components</a>&nbsp;&nbsp;&nbsp;(6)
+    <ol id="v6.6.0.versions_of_major_components.list">
+      <li>Apache Tika 1.13
+</li>
+      <li>Carrot2 3.15.0
+</li>
+      <li>Velocity 1.7 and Velocity Tools 2.0
+</li>
+      <li>Apache UIMA 2.3.1
+</li>
+      <li>Apache ZooKeeper 3.4.10
+</li>
+      <li>Jetty 9.3.14.v20161028
+</li>
+    </ol>
+  </li>
+  <li><a id="v6.6.0.upgrade_notes" href="javascript:toggleList('v6.6.0.upgrade_notes')">Upgrade Notes</a>&nbsp;&nbsp;&nbsp;(5)
+    <ol id="v6.6.0.upgrade_notes.list">
+      <li>Solr contribs map-reduce, morphlines-core and morphlines-cell have been removed.
+<p/>
+</li>
+      <li>JSON Facet API now uses hyper-log-log for numBuckets cardinality calculation and
+calculates cardinality before filtering buckets by any mincount greater than 1.
+<p/>
+</li>
+      <li>ZooKeeper dependency has been upgraded from 3.4.6 to 3.4.10.
+<p/>
+</li>
+      <li>Setting &lt;solrQueryParser defaultOperator="..."/&gt; in schema is no longer allowed and will cause an exception,
+but older configs with luceneMatchVersion &lt; 6.6 will still work as before.
+Please use "q.op" parameter on the request instead. For more details, see <a href="http://issues.apache.org/jira/browse/SOLR-10586">SOLR-10586</a>.
+<p/>
+</li>
+      <li>Setting &lt;defaultSearchField&gt; in schema is no longer allowed and will cause an exception,
+but older configs with luceneMatchVersion &lt; 6.6 will still work as before.
+Please use "df" parameter on the request instead. For more details, see <a href="http://issues.apache.org/jira/browse/SOLR-10587">SOLR-10587</a>.
+<p/>
+</li>
+    </ol>
+  </li>
+  <h3>Detailed Change List</h3>
+  <li><a id="v6.6.0.new_features" href="javascript:toggleList('v6.6.0.new_features')">New Features</a>&nbsp;&nbsp;&nbsp;(38)
+    <ol id="v6.6.0.new_features.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9992">SOLR-9992</a>: Add support for grouping with PointFields.
+<br /><span class="attrib">(Cao Manh Dat)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10292">SOLR-10292</a>: Adds CartesianProductStream which turns a single tuple with a multi-valued field into N
+tuples, one for each value in the multi-valued field.
+<br /><span class="attrib">(Dennis Gove)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9994">SOLR-9994</a>: Add support for CollapseQParser with PointFields.
+<br /><span class="attrib">(Varun Thacker, Cao Manh Dat)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10076">SOLR-10076</a>: Hide keystore and truststore passwords from /admin/info/* outputs.
+<br /><span class="attrib">(Mano Kovacs via Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-6736">SOLR-6736</a>: Adding support for uploading zipped configsets using ConfigSets API
+<br /><span class="attrib">(Varun Rajput, Ishan Chattopadhyaya,
+Noble Paul, Anshum Gupta, Gregory Chanan)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10349">SOLR-10349</a>: Add totalTermFreq support to TermsComponent.
+<br /><span class="attrib">(Shai Erera)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9993">SOLR-9993</a>: Add support for ExpandComponent with PointFields.
+<br /><span class="attrib">(Cao Manh Dat)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10356">SOLR-10356</a>: Adds basic math Streaming Evaluators
+<br /><span class="attrib">(Dennis Gove)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10393">SOLR-10393</a>: Adds UUID Streaming Evaluator
+<br /><span class="attrib">(Dennis Gove)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10239">SOLR-10239</a>: MOVEREPLICA API
+<br /><span class="attrib">(Cao Manh Dat, Noble Paul, shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9936">SOLR-9936</a>: Allow configuration for recoveryExecutor thread pool size.
+<br /><span class="attrib">(Tim Owen via Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10447">SOLR-10447</a>: Collections API now supports a LISTALIASES command to return a list of all collection aliases.
+<br /><span class="attrib">(Yago Riveiro, Ishan Chattopadhyaya, Mark Miller, Steve Molloy, Shawn Heisey, Mike Drob, janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10446">SOLR-10446</a>: CloudSolrClient can now be initialized using the base URL of a Solr instance instead of
+ZooKeeper hosts. This is possible through the use of newly introduced HttpClusterStateProvider.
+To fetch a list of collection aliases, this depends on LISTALIASES command, and hence this way of
+initializing CloudSolrClient would not work if you have collection aliases on older versions of Solr
+server that doesn't support LISTALIASES.
+<br /><span class="attrib">(Ishan Chattopadhyaya, Noble Paul)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10082">SOLR-10082</a>: Variance and Standard Deviation aggregators for the JSON Facet API.
+Example: json.facet={x:"stddev(field1)", y:"variance(field2)"}
+<br /><span class="attrib">(Rustam Hashimov, yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10505">SOLR-10505</a>: Add multi-field support to TermsComponent when requesting terms' statistics.
+<br /><span class="attrib">(Shai Erera)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10537">SOLR-10537</a>: SolrJ: Added SolrParams.toLocalParamsString() and ClientUtils.encodeLocalParamVal.
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10507">SOLR-10507</a>: Core Admin status command to emit collection details of each core
+<br /><span class="attrib">(noble)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10521">SOLR-10521</a>: introducing sort=childfield(field) asc for searching by {!parent}
+<br /><span class="attrib">(Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9596">SOLR-9596</a>: Add Solr support for SimpleTextCodec, via &lt;codecFactory class="solr.SimpleTextCodecFactory"/&gt;
+in solrconfig.xml (per-field specification in the schema is not possible).
+<br /><span class="attrib">(Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-1485">SOLR-1485</a>: Add payload support with payload() value source and {!payload_score} and {!payload_check}
+query parsers.
+<br /><span class="attrib">(Erik Hatcher)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10430">SOLR-10430</a>: Add ls command to ZkCLI for listing only sub-directories.
+<br /><span class="attrib">(Peter Szantai-Kis via Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10583">SOLR-10583</a>: JSON Faceting now supports a query time 'join' domain change option
+<br /><span class="attrib">(hossman)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9530">SOLR-9530</a>: An Update Processor to convert normal update operation to an atomic operations such as
+add, set,inc, remove ,set, removeregex
+<br /><span class="attrib">(Amrit Sarkar, noble)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10303">SOLR-10303</a>: Add date/time Stream Evaluators
+<br /><span class="attrib">(Gethin James, Dennis Gove, Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10351">SOLR-10351</a>: Add analyze Stream Evaluator to support streaming NLP
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10426">SOLR-10426</a>: Add shuffle Streaming Expression
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10274">SOLR-10274</a>: The search Streaming Expression should work in non-SolrCloud mode
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10504">SOLR-10504</a>: Add echo Streaming Expression
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10516">SOLR-10516</a>: Add eval Streaming Expression
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10566">SOLR-10566</a>: Add timeseries Streaming Expression
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10559">SOLR-10559</a>: Add let, get and tuple Streaming Expressions
+<br /><span class="attrib">(Dennis Gove, Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10582">SOLR-10582</a>: Add Correlation Stream Evaluator
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10536">SOLR-10536</a>: stats Streaming Expression should work in non-SolrCloud mode
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10622">SOLR-10622</a>: Add regress and predict Stream Evaluators
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10626">SOLR-10626</a>: Add covariance Stream Evaluator
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10625">SOLR-10625</a>: Add convolution Stream Evaluator
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10638">SOLR-10638</a>: Add normalize Stream Evaluator
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8440">SOLR-8440</a>: Support for enabling basic authentication using bin/solr|bin/solr.cmd.
+<br /><span class="attrib">(Ishan Chattopadhyaya, janhoy,
+Noble Paul, Hrishikesh Gadre)</span></li>
+    </ol>
+  </li>
+  <li><a id="v6.6.0.optimizations" href="javascript:toggleList('v6.6.0.optimizations')">Optimizations</a>&nbsp;&nbsp;&nbsp;(6)
+    <ol id="v6.6.0.optimizations.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9184">SOLR-9184</a>: Add a static convenience method ModifiableSolrParams#of(SolrParams) which returns the same
+instance if it already is modifiable, otherwise creates a new ModifiableSolrParams instance.
+<br /><span class="attrib">(Jörg Rathlev via Koji)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10499">SOLR-10499</a>: facet.heatmap is now significantly faster when the docset (base query) matches everything and there are no
+deleted docs.  It's also faster when the docset matches a small fraction of the index or none.
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9217">SOLR-9217</a>: Reduced heap consumption for filter({!join ... score=...})
+<br /><span class="attrib">(Andrey Kudryavtsev, Gopikannan Venugopalsamy via Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10548">SOLR-10548</a>: JSON Facet API now uses hyper-log-log++ for determining the number of buckets
+when merging requests from a multi-shard distributed request.
+<br /><span class="attrib">(yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10524">SOLR-10524</a>: Better ZkStateWriter batching
+<br /><span class="attrib">(Cao Manh Dat, Noble Paul, shalin, Scott Blum)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10619">SOLR-10619</a>: Optimize using cache for DistributedQueue in case of single-consumer
+<br /><span class="attrib">(Cao Manh Dat, Scott Blum)</span></li>
+    </ol>
+  </li>
+  <li><a id="v6.6.0.bug_fixes" href="javascript:toggleList('v6.6.0.bug_fixes')">Bug Fixes</a>&nbsp;&nbsp;&nbsp;(29)
+    <ol id="v6.6.0.bug_fixes.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10281">SOLR-10281</a>: ADMIN_PATHS is duplicated in two places and inconsistent. This can cause automatic
+retries to /admin/metrics handler by the CloudSolrClient.
+<br /><span class="attrib">(shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10108">SOLR-10108</a>: bin/solr script recursive copy broken
+<br /><span class="attrib">(Erick Erickson)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10362">SOLR-10362</a>: "Memory Pool not found" error when reporting JVM metrics.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10369">SOLR-10369</a>: bin\solr.cmd delete and healthcheck now works again; fixed continuation chars ^
+<br /><span class="attrib">(Luis Goes via janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10387">SOLR-10387</a>: zkTransfer normalizes destination path incorrectly if source is a windows directory
+<br /><span class="attrib">(gopikannan venugopalsamy, Erick Erickson)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10323">SOLR-10323</a>: fix to SpellingQueryConverter to properly strip out colons in field-specific queries.
+<br /><span class="attrib">(Amrit Sarkar via James Dyer)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10264">SOLR-10264</a>: Fixes multi-term synonym parsing in ManagedSynonymFilterFactory.
+<br /><span class="attrib">(Jörg Rathlev, Steve Rowe, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8807">SOLR-8807</a>: fix Spellcheck "collateMaxCollectDocs" parameter to work with queries that have the
+CollpasingQParserPlugin applied.
+<br /><span class="attrib">(James Dyer)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10474">SOLR-10474</a>: TestPointFields.testPointFieldReturn() depends on order of unsorted hits.
+<br /><span class="attrib">(Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10473">SOLR-10473</a>: Correct LBHttpSolrClient's confusing SolrServerException message when timeAllowed is exceeded.
+<br /><span class="attrib">(Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10047">SOLR-10047</a>: Mismatched Docvalues segments cause exception in Sorting/Faceting. Solr now uninverts per segment
+to avoid such exceptions.
+<br /><span class="attrib">(Keith Laban via shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10472">SOLR-10472</a>: Fixed uninversion (aka: FieldCache) bugs with the numeric PointField classes, and CurrencyField
+<br /><span class="attrib">(hossman)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-5127">SOLR-5127</a>: Multiple highlight fields and wildcards are now supported e.g. hl.fl=title,text_*
+<br /><span class="attrib">(Sven-S. Porst, Daniel Debray, Simon Endele, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10493">SOLR-10493</a>: Investigate SolrCloudExampleTest failures.
+<br /><span class="attrib">(Erick Erickson)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10552">SOLR-10552</a>: JSON Facet API numBuckets was not consistent between distributed and non-distributed requests
+when there was a mincount &gt; 1.  This has been corrected by changing numBuckets cardinality processing to
+ignore mincount &gt; 1 for non-distributed requests.
+<br /><span class="attrib">(yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10520">SOLR-10520</a>: child.facet.field doubled counts at least when rows&gt;0.
+<br /><span class="attrib">(Dr. Oleg Savrasov via Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10480">SOLR-10480</a>: Full pagination in JSON Facet API using offset does not work.
+<br /><span class="attrib">(yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10526">SOLR-10526</a>: facet.heatmap didn't honor facet exclusions ('ex') for distributed search.
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10500">SOLR-10500</a>: nested child docs are adopted by neighbour when several parents come in update/json/docs
+<br /><span class="attrib">(Alexey Suprun,noble via Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10316">SOLR-10316</a>: Unloading a core can remove a ZK SolrCore registration entry for the wrong SolrCore.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10588">SOLR-10588</a>: Prevent redundant core reload on config update
+<br /><span class="attrib">(Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10549">SOLR-10549</a>: The new 'large' attribute had been forgotten in /schema/fieldtypes?showDefaults=true
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10615">SOLR-10615</a>: requests are suspended until SolrDispatchFilter initialization is completed.
+After core container shutdown or severe initialization problem Solr responds with
+http stauts 404 Not Found instead of 500 as it was before
+<br /><span class="attrib">(Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8149">SOLR-8149</a>: Admin UI - Plugins / Stats - active item is now highlighted
+<br /><span class="attrib">(Labuzov Dmitriy via janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10630">SOLR-10630</a>: HttpSolrCall.getAuthCtx().new AuthorizationContext() {...}.getParams()
+sometimes throws java.lang.NullPointerException
+<br /><span class="attrib">(hu xiaodong via shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10631">SOLR-10631</a>: Metric reporters leak on 6x.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9527">SOLR-9527</a>: Improve distribution of replicas when restoring a collection
+<br /><span class="attrib">(Hrishikesh Gadre, Stephen Lewis, Rohit, Varun Thacker)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/LUCENE-7821">LUCENE-7821</a>: The classic and flexible query parsers, as well as Solr's
+ "lucene"/standard query parser, should require " TO " in range queries,
+and accept "TO" as endpoints in range queries.
+<br /><span class="attrib">(hossman, Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10735">SOLR-10735</a>: Windows script (solr.cmd) didn't work properly with directory containing spaces. Adding quotations
+to fix
+<br /><span class="attrib">(Uwe Schindler, janhoy, Tomas Fernandez-Lobbe, Ishan Chattopadhyaya)</span></li>
+    </ol>
+  </li>
+  <li><a id="v6.6.0.ref_guide" href="javascript:toggleList('v6.6.0.ref_guide')">Ref Guide</a>&nbsp;&nbsp;&nbsp;(1)
+    <ol id="v6.6.0.ref_guide.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10758">SOLR-10758</a>: Modernize the Solr ref guide's Chinese language analysis coverage.
+<br /><span class="attrib">(Steve Rowe)</span></li>
+    </ol>
+  </li>
+  <li><a id="v6.6.0.other_changes" href="javascript:toggleList('v6.6.0.other_changes')">Other Changes</a>&nbsp;&nbsp;&nbsp;(33)
+    <ol id="v6.6.0.other_changes.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9221">SOLR-9221</a>: Remove Solr contribs: map-reduce, morphlines-core and morphlines-cell.
+<br /><span class="attrib">(Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10249">SOLR-10249</a>: Refactor IndexFetcher.doFetch() to return a more detailed result.
+<br /><span class="attrib">(Jeff Miller via David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10304">SOLR-10304</a>: Refactor Document handling out of SolrIndexSearcher into a new class "SolrDocumentFetcher".
+Deprecated SolrPluginUtils.docListToSolrDocumentList().
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10352">SOLR-10352</a>: bin/solr script now prints warning when available system entropy is lower than 300
+<br /><span class="attrib">(Esther Quansah via
+Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10344">SOLR-10344</a>: Update Solr default/example and test configs to use WordDelimiterGraphFilterFactory.
+<br /><span class="attrib">(Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10343">SOLR-10343</a>: Update Solr default/example and test configs to use SynonymGraphFilterFactory.
+<br /><span class="attrib">(Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10365">SOLR-10365</a>: Handle a SolrCoreInitializationException while publishing core state during SolrCore creation
+<br /><span class="attrib">(Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10357">SOLR-10357</a>: Enable edismax and standard query parsers to handle the option combination
+sow=false / autoGeneratePhraseQueries="true" by setting QueryBuilder.autoGenerateMultiTermSynonymsQuery.
+<br /><span class="attrib">(Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10147">SOLR-10147</a>: Admin UI -&gt; Cloud -&gt; Graph: Impossible to see shard state
+<br /><span class="attrib">(Amrit Sarkar, janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10399">SOLR-10399</a>: Generalize some internal facet logic to simplify points/non-points field handling
+<br /><span class="attrib">(Adrien Grand, hossman)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-7383">SOLR-7383</a>: New DataImportHandler 'atom' example, replacing broken 'rss' example
+<br /><span class="attrib">(Alexandre Rafalovitch)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9601">SOLR-9601</a>: Redone DataImportHandler 'tika' example, removing all unused and irrelevant definitions
+<br /><span class="attrib">(Alexandre Rafalovitch)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8906">SOLR-8906</a>: Make transient core cache pluggable
+<br /><span class="attrib">(Erick Erickson)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9745">SOLR-9745</a>: print errors from solr.cmd
+<br /><span class="attrib">(Gopikannan Venugopalsamy via Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10394">SOLR-10394</a>: Rename getSortWithinGroup to getWithinGroupSort in search.grouping.Command class.
+<br /><span class="attrib">(Judith Silverman, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10440">SOLR-10440</a>: LBHttpSolrClient.doRequest is now always wrapped in a Mapped Diagnostic Context (MDC).
+<br /><span class="attrib">(Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10429">SOLR-10429</a>: UpdateRequest#getRoutes()should copy the response parser
+<br /><span class="attrib">(noble)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10007">SOLR-10007</a>: Clean up references to CoreContainer and CoreDescriptors
+<br /><span class="attrib">(Erick Erickson)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10151">SOLR-10151</a>: Use monotonically incrementing counter for doc ids in TestRecovery.
+<br /><span class="attrib">(Peter Szantai-Kis, Mano Kovacs via Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10477">SOLR-10477</a>: Improvements to metric reporters and API: support for "regex" parameter in /admin/metrics,
+"enabled" flag in reporter configurations, correct handling of "serviceUrl" in SolrJmxReporter, better handling
+of service clients for JMX, Ganglia and Graphite reporters.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10514">SOLR-10514</a>: Upgrade Metrics library to 3.2.2.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9386">SOLR-9386</a>: Upgrade Zookeeper to 3.4.10.
+<br /><span class="attrib">(Shawn Heisey, Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10519">SOLR-10519</a>: SolrCLI.atPath cannot handle children that begin with a slash.
+<br /><span class="attrib">(Erick Erickson)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9867">SOLR-9867</a>: Adding isLoading=true as core status. Fixing start after stop scenario in bin/solr
+<br /><span class="attrib">(Andrey Kudryavtsev, Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10586">SOLR-10586</a>: Ban defaultOperator in schema for luceneMatchVersion =&gt;6.6.0
+Method IndexSchema.getQueryParserDefaultOperator is deprecated and will go away in 7.0
+<br /><span class="attrib">(janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-7041">SOLR-7041</a>: Cutover tests to using 'q.op' and 'df' instead of schema 'defaultOperator' and 'defaultSearchField'
+<br /><span class="attrib">(janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10587">SOLR-10587</a>: Ban defaultSearchField in schema for luceneMatchVersion =&gt;6.6.0
+<br /><span class="attrib">(Jason Gerlowski, janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10614">SOLR-10614</a>: Static fields have turned to instance's field in SimplePostTool.
+Enabled TestSolrCLIRunExample.testTechproductsExample().
+<br /><span class="attrib">(Andrey Kudryavtsev, Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10522">SOLR-10522</a>: Revert SpellCheckComponent response format change from <a href="http://issues.apache.org/jira/browse/SOLR-9972">SOLR-9972</a> (rel. 6.5.0).  While this
+was an improvement for the json "arrntv" format, it caused problems for the default json format.
+<br /><span class="attrib">(James Dyer, reported by Nikita Pchelintsev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10644">SOLR-10644</a>: solr.in.sh installed by install script should be writable by solr user
+<br /><span class="attrib">(janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10000">SOLR-10000</a>: Expose cache statistics using metrics API.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10729">SOLR-10729</a>: Deprecated LatLonType, GeoHashField, SpatialPointVectorFieldType, and SpatialTermQueryPrefixTreeFieldType.
+Instead, switch to LatLonPointSpatialField or SpatialRecursivePrefixTreeFieldType or RptWithGeometrySpatialField.
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10700">SOLR-10700</a>: Deprecated PostingsSolrHighlighter. Use UnifiedSolrHighlighter instead.
+<br /><span class="attrib">(David Smiley)</span></li>
+    </ol>
+  </li>
+</ul>
+<h2><a id="v6.5.1" href="javascript:toggleList('v6.5.1')">Release 6.5.1  [2017-04-27]</a></h2>
+<ul id="v6.5.1.list">
+  <li><a id="v6.5.1.bug_fixes" href="javascript:toggleList('v6.5.1.bug_fixes')">Bug Fixes</a>&nbsp;&nbsp;&nbsp;(12)
+    <ol id="v6.5.1.bug_fixes.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10383">SOLR-10383</a>: Fix debug related NullPointerException in solr/contrib/ltr OriginalScoreFeature class.
+<br /><span class="attrib">(Vitezslav Zak, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10416">SOLR-10416</a>: The JSON output of /admin/metrics is fixed to write the container as a
+map (SimpleOrderedMap) instead of an array (NamedList).
+<br /><span class="attrib">(shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10277">SOLR-10277</a>: On 'downnode', lots of wasteful mutations are done to ZK.
+<br /><span class="attrib">(Joshua Humphries, Scott Blum, Varun Thacker, shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10421">SOLR-10421</a>: Fix params persistence for solr/contrib/ltr (MinMax|Standard)Normalizer classes.
+<br /><span class="attrib">(Jianxiong Dong, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10404">SOLR-10404</a>: The fetch() streaming expression wouldn't work if a value included query syntax chars (like :+-).
+Fixed, and enhanced the generated query to not pollute the queryCache.
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10423">SOLR-10423</a>: Disable graph query production via schema configuration &lt;fieldtype ... enableGraphQueries="false"&gt;.
+This fixes broken queries for ShingleFilter-containing query-time analyzers when request param sow=false.
+<br /><span class="attrib">(Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10425">SOLR-10425</a>: Fix indexed="false" on numeric PointFields
+<br /><span class="attrib">(Tomás Fernández Löbbe, hossman)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10341">SOLR-10341</a>: SQL AVG function mis-interprets field type.
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10444">SOLR-10444</a>: SQL interface does not use client cache.
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10420">SOLR-10420</a>: Solr 6.x leaking one SolrZkClient instance per second
+<br /><span class="attrib">(Scott Blum, Cao Manh Dat, Markus Jelsma, Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10439">SOLR-10439</a>: The new 'large' attribute had been forgotten in /schema/fields?showDefaults=true
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10527">SOLR-10527</a>: edismax with sow=false fails to create dismax-per-term queries when any field is boosted.
+<br /><span class="attrib">(Steve Rowe)</span></li>
+    </ol>
+  </li>
+</ul>
+<h2><a id="older" href="javascript:toggleList('older')">Older Releases</a></h2>
+<ul id="older.list">
+<h3><a id="v6.5.0" href="javascript:toggleList('v6.5.0')">Release 6.5.0  [2017-03-27]</a></h3>
+<ul id="v6.5.0.list">
+      <li>Consult the <a href="http://lucene.apache.org/core/6_6_0/changes/Changes.html">LUCENE_CHANGES.txt</a> file for additional, low level, changes in this release.
+</li>
+  </li>
+  <li><a id="v6.5.0.versions_of_major_components" href="javascript:toggleList('v6.5.0.versions_of_major_components')">Versions of Major Components</a>&nbsp;&nbsp;&nbsp;(7)
+    <ol id="v6.5.0.versions_of_major_components.list">
+      <li>Apache Tika 1.13
+</li>
+      <li>Carrot2 3.15.0
+</li>
+      <li>Velocity 1.7 and Velocity Tools 2.0
+</li>
+      <li>Apache UIMA 2.3.1
+</li>
+      <li>Apache ZooKeeper 3.4.6
+</li>
+      <li>Jetty 9.3.14.v20161028
+</li>
+      <li>Apache Calcite 1.11.0
+</li>
+    </ol>
+  </li>
+  <h4>Detailed Change List</h4>
+  <li><a id="v6.5.0.upgrade_notes" href="javascript:toggleList('v6.5.0.upgrade_notes')">Upgrade Notes</a>&nbsp;&nbsp;&nbsp;(3)
+    <ol id="v6.5.0.upgrade_notes.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10226">SOLR-10226</a>: JMX metric "avgTimePerRequest" (and the corresponding metric in the metrics API for
+each handler) used to be a simple non-decaying average based on total cumulative time and the
+number of requests. New Codahale Metrics implementation applies exponential decay to this value,
+which heavily biases the average towards the last 5 minutes.
+<br /><span class="attrib">(ab)</span></li>
+      <li>Index-time boosts are now deprecated. As a replacement, index-time scoring
+factors should be indexed in a separate field and combined with the query
+score using a function query.
+<p/>
+</li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8593">SOLR-8593</a>: Parallel SQL now uses Apache Calcite as its SQL framework. As part of this change
+the default aggregation mode has been changed to facet rather than map_reduce. There has also been changes
+to the SQL aggregate response and some SQL syntax changes. Consult the documentation for full details.
+<p/>
+</li>
+    </ol>
+  </li>
+  <li><a id="v6.5.0.new_features" href="javascript:toggleList('v6.5.0.new_features')">New Features</a>&nbsp;&nbsp;&nbsp;(31)
+    <ol id="v6.5.0.new_features.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9836">SOLR-9836</a>: Add ability to recover from leader when index corruption is detected on SolrCore creation.
+<br /><span class="attrib">(Mike Drob via Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9926">SOLR-9926</a>: Allow passing arbitrary java system properties to zkcli.
+<br /><span class="attrib">(Hrishikesh Gadre via Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9885">SOLR-9885</a>: Allow pre-startup Solr log management in Solr bin scripts to be disabled.
+<br /><span class="attrib">(Mano Kovacs via Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8029">SOLR-8029</a>: Added new style APIs and a framework for creating new APIs and mapping old APIs to new
+<br /><span class="attrib">(noble, Steve Rowe, Cassandra Targett, Timothy Potter)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9933">SOLR-9933</a>: SolrCoreParser now supports configuration of custom SpanQueryBuilder classes.
+<br /><span class="attrib">(Daniel Collins, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-7955">SOLR-7955</a>: Auto create .system collection on first request if it does not exist
+<br /><span class="attrib">(noble)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10087">SOLR-10087</a>: StreamHandler now supports registering custom streaming expressions from the blob store
+<br /><span class="attrib">(Kevin Risden)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9997">SOLR-9997</a>: Enable configuring SolrHttpClientBuilder via java system property.
+<br /><span class="attrib">(Hrishikesh Gadre via Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9912">SOLR-9912</a>: Add facet.excludeTerms parameter support.
+<br /><span class="attrib">(Jonny Marks, David Smiley, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9916">SOLR-9916</a>: Adds Stream Evaluators to support evaluating values from tuples. Supports boolean,
+numeric, and conditional evaluators. BooleanOperations have been removed in preference of
+BooleanEvaluators.
+<br /><span class="attrib">(Dennis Gove)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9903">SOLR-9903</a>: Stop interrupting the update executor on shutdown, it can cause graceful shutdowns to put replicas into Leader
+Initiated Recovery among other undesirable things.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8396">SOLR-8396</a>: Add support for PointFields in Solr
+<br /><span class="attrib">(Ishan Chattopadhyaya, Tomás Fernández Löbbe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9987">SOLR-9987</a>: Add support for MultiValued DocValues in PointFields using SortedNumericDocValues
+<br /><span class="attrib">(Tomás Fernández Löbbe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-5944">SOLR-5944</a>: In-place updates of Numeric DocValues. To leverage this, the _version_ field and the updated
+field must both be stored=false, indexed=false, docValues=true.
+<br /><span class="attrib">(Ishan Chattopadhyaya, hossman, noble,
+shalin, yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9481">SOLR-9481</a>: Authentication and Authorization plugins now work in standalone mode if security.json is placed in
+SOLR_HOME on every node. Editing config through API is supported but affects only that one node.
+This feature should be considered experimental for this release and may not work with SSL yet.
+<br /><span class="attrib">(janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10158">SOLR-10158</a>: Add support for "preload" option in MMapDirectoryFactory.
+<br /><span class="attrib">(Amrit Sarkar via Uwe Schindler)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10153">SOLR-10153</a> &amp; <a href="http://issues.apache.org/jira/browse/SOLR-10152">SOLR-10152</a>: The Unified and Postings based highlighters: Add hl.bs.type=SEPARATOR along with new param
+hl.bs.separator to break passages by a provided single character.
+<br /><span class="attrib">(Amrit Sarkar, David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10156">SOLR-10156</a>: Add significantTerms Streaming Expression
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8593">SOLR-8593</a>: Integrate Apache Calcite into the SQLHandler
+<br /><span class="attrib">(Kevin Risden, Cao Manh Dat, Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10146">SOLR-10146</a>: Added button to the Admin UI 'Collection' tab for deleting an inactive shard
+<br /><span class="attrib">(Amrit Sarkar, janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9999">SOLR-9999</a>: Instrument DirectUpdateHandler2. This registers existing statistics under metrics API and adds
+more metrics to track the rates of update and delete commands.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9986">SOLR-9986</a>: Implement DatePointField
+<br /><span class="attrib">(Cao Manh Dat, Tomás Fernández Löbbe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8045">SOLR-8045</a>: Deploy V2 API at /v2 instead of /solr/v2
+<br /><span class="attrib">(Cao Manh Dat, Noble Paul)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10039">SOLR-10039</a>: New LatLonPointSpatialField replacement for LatLonType (and some uses of RPT).  Multi-value capable
+indexed geo lat-lon points, query by rect or circle.  Efficient distance sorting/boosting too.
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10250">SOLR-10250</a>: CloudSolrClient can now return versions for documents added or deleted when "versions=true" is passed.
+However, if there is a leader election while this request is in transit, the versions may not be returned from that
+shard.
+<br /><span class="attrib">(Boris Naguet, Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9045">SOLR-9045</a>: Make RecoveryStrategy settings configurable.
+<br /><span class="attrib">(Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10224">SOLR-10224</a>: Add disk total and disk free metrics.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10085">SOLR-10085</a>: SQL result set fields should be ordered by the field list
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10254">SOLR-10254</a>: significantTerms Streaming Expression should work in non-SolrCloud mode
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10286">SOLR-10286</a>: string/text fields may now declare themselves as large="true" in the schema.  Large fields are always
+lazy loaded and will only take up space in the document cache if the actual value is &lt; 512KB.  This option
+requires "stored" and must not be multiValued.  It's intended for fields that might have very large values so that
+they don't get cached in memory.
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9185">SOLR-9185</a>: Solr's edismax and "Lucene"/standard query parsers will no longer split on whitespace before sending
+terms to analysis, if given the "sow=false" request param ("sow"=&gt;"split on whitespace").  This enables multi-term
+source synonyms to match at query-time using SynonymGraphFilterFactory; other analysis components will also now
+work at query time, e.g. ShingleFilterFactory.  By default, and when the "sow=true" param is specified, these
+parsers' behavior remains the same: queries will be split on whitespace before sending individual terms to analysis.
+<br /><span class="attrib">(Steve Rowe)</span></li>
+    </ol>
+  </li>
+  <li><a id="v6.5.0.bug_fixes" href="javascript:toggleList('v6.5.0.bug_fixes')">Bug Fixes</a>&nbsp;&nbsp;&nbsp;(33)
+    <ol id="v6.5.0.bug_fixes.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9976">SOLR-9976</a>: Fix init bug in SegmentsInfoRequestHandlerTest
+<br /><span class="attrib">(hossman)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9977">SOLR-9977</a>: Fix config bug in DistribDocExpirationUpdateProcessorTest that allowed false assumptions
+about when index version changes
+<br /><span class="attrib">(hossman)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9979">SOLR-9979</a>: Macro expansion should not be done in shard requests
+<br /><span class="attrib">(Tomás Fernández Löbbe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9114">SOLR-9114</a>: NPE using TermVectorComponent, MoreLikeThisComponent in combination with ExactStatsCache
+<br /><span class="attrib">(Cao Manh Dat, Varun Thacker)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10049">SOLR-10049</a>: Collection deletion leaves behind the snapshot metadata
+<br /><span class="attrib">(Hrishikesh Gadre via yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10120">SOLR-10120</a>: A SolrCore reload can remove the index from the previous SolrCore during replication index rollover.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10124">SOLR-10124</a>: Replication can skip removing a temporary index directory in some cases when it should not.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9996">SOLR-9996</a>: Unstored IntPointField returns Long type
+<br /><span class="attrib">(Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10104">SOLR-10104</a>: BlockDirectoryCache release hooks do not work with multiple directories.
+<br /><span class="attrib">(Mike Drob, Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10121">SOLR-10121</a>: Fix race conditions in HDFS BlockCache that can contribute to corruption in high
+concurrency situations.
+<br /><span class="attrib">(yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10141">SOLR-10141</a>: Upgrade to Caffeine 2.4.0 since v1.0.1 contributed to BlockCache corruption because the
+removal listener was called more than once for some items and not at all for other items.
+<br /><span class="attrib">(Ben Manes, yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10114">SOLR-10114</a>: Reordered delete-by-query causes inconsistenties between shards that have
+child documents
+<br /><span class="attrib">(Mano Kovacs, Mihaly Toth, yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10159">SOLR-10159</a>: When DBQ is reordered with an in-place update, upon whose updated value the DBQ is based
+on, the DBQ fails due to excessive caching in DeleteByQueryWrapper
+<br /><span class="attrib">(Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10020">SOLR-10020</a>: CoreAdminHandler silently swallows some errors.
+<br /><span class="attrib">(Mike Drob via Erick Erickson)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10063">SOLR-10063</a>: CoreContainer shutdown has race condition that can cause a hang on shutdown.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10170">SOLR-10170</a>: ClassCastException in RecoveryStrategy.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9846">SOLR-9846</a>: Overseer is not always closed after being started.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10168">SOLR-10168</a>: ShardSplit can fail with NPE in OverseerCollectionMessageHandler#waitForCoreAdminAsyncCallToComplete.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10055">SOLR-10055</a>: Linux installer now renames existing bin/solr.in.* as bin/solr.in.*.orig to make the installed config in
+/etc/defaults be the one found by default when launching solr manually.
+<br /><span class="attrib">(janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10196">SOLR-10196</a>: ElectionContext#runLeaderProcess can hit NPE on core close.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10225">SOLR-10225</a>: Fix HDFS BlockCache evictions metric to not count explicit removal
+due to a directory close.
+<br /><span class="attrib">(yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10088">SOLR-10088</a>: Installer script does not put zoo.cfg in SOLR_HOME
+<br /><span class="attrib">(janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10226">SOLR-10226</a>: add back "totalTime" metric to all handlers. See also the back-compat note.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9838">SOLR-9838</a>: "inc" atomic update doesn't respect default field value
+<br /><span class="attrib">(hoss, Amrit Sarkar, Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10269">SOLR-10269</a>: MetricsHandler JSON output incorrect.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10279">SOLR-10279</a>: The autoAddReplica feature can result in SolrCores being assigned new shards when using
+legacyCloud=false and will also fail on a state check when taking over a core registration with a new
+core.
+<br /><span class="attrib">(Mark Miller, Hrishikesh Gadre, Patrick Dvorack)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10184">SOLR-10184</a>: Fix bin/solr so it can run properly on java9
+<br /><span class="attrib">(hossman, Uwe Schindler)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9516">SOLR-9516</a>: Admin UI (angular) now works with Kerberos, by excluding serving of /solr/libs/* through
+SolrDispatchFilter.
+<br /><span class="attrib">(Cassandra Targett, Amrit Sarkar via Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10302">SOLR-10302</a>: Solr's zkcli scripts now able to find the metrics libraries, which it couldn't earlier
+<br /><span class="attrib">(kiran, Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10283">SOLR-10283</a>: Learning to Rank (LTR) SolrFeature to reject searches with missing efi (External Feature Information) used by fq.
+<br /><span class="attrib">(Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10237">SOLR-10237</a>: Poly-fields should work with subfields that have docValues=true
+<br /><span class="attrib">(Tomás Fernández Löbbe, David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10218">SOLR-10218</a>: The Schema API commands "add-field-type" and "replace-field-type" improperly specify SimilarityFactory params.
+<br /><span class="attrib">(Benjamin Deininger, Troy Mohl, Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10319">SOLR-10319</a>: SolrCore "instanceDir" metric not visible in JMX.
+<br /><span class="attrib">(ab)</span></li>
+    </ol>
+  </li>
+  <li><a id="v6.5.0.optimizations" href="javascript:toggleList('v6.5.0.optimizations')">Optimizations</a>&nbsp;&nbsp;&nbsp;(6)
+    <ol id="v6.5.0.optimizations.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9941">SOLR-9941</a>: Clear the deletes lists at UpdateLog before replaying from log. This prevents redundantly pre-applying
+DBQs, during the log replay, to every update in the log as if the DBQs were out of order.
+<br /><span class="attrib">(hossman, Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9764">SOLR-9764</a>: All filters that match all documents in the index now share the same memory (DocSet).
+<br /><span class="attrib">(Michael Sun, yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9584">SOLR-9584</a>: Support Solr being proxied with another endpoint than default /solr, by using relative links
+in AdminUI javascripts
+<br /><span class="attrib">(Yun Jie Zhou via janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10143">SOLR-10143</a>: PointFields will create IndexOrDocValuesQuery when a field is both, indexed=true and docValues=true
+<br /><span class="attrib">(Tomás Fernández Löbbe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10205">SOLR-10205</a>: Change the HDFS BlockCache to reduce store failures and increase hit ratio. Highly concurrent
+artificial random queries over random indexes showed performance increases of 5% to 68%, with common values
+in the teens.
+<br /><span class="attrib">(yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10273">SOLR-10273</a>: The field with the longest value (if it exceeds 4K) is moved to be last in the Lucene Document in order
+to benefit from stored field optimizations in Lucene that can avoid reading it when it's not needed.  If the field is
+multi-valued, they all move together to the end to retain order.
+<br /><span class="attrib">(David Smiley)</span></li>
+    </ol>
+  </li>
+  <li><a id="v6.5.0.other_changes" href="javascript:toggleList('v6.5.0.other_changes')">Other Changes</a>&nbsp;&nbsp;&nbsp;(28)
+    <ol id="v6.5.0.other_changes.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9980">SOLR-9980</a>: Expose configVersion in core admin status
+<br /><span class="attrib">(Jessica Cheng Mallet via Tomás Fernández Löbbe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9972">SOLR-9972</a>: SpellCheckComponent collations and suggestions returned as a JSON object rather than a list
+<br /><span class="attrib">(Christine Poerschke in response to bug report from Ricky Oktavianus Lazuardy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9983">SOLR-9983</a>: Fixing NullPointerException failure by TestManagedSchemaThreadSafety
+adding check for Zookeeper session expiration
+<br /><span class="attrib">(Steve Rowe, Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10043">SOLR-10043</a>: Reduce logging of pre-start log rotation
+<br /><span class="attrib">(janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10018">SOLR-10018</a>: Increase the default hl.maxAnalyzedChars to 51200 for the Unified &amp; Postings Highlighter so that all
+highlighters now have this same default.
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-6246">SOLR-6246</a>: Added tests to check that the changes in <a href="http://issues.apache.org/jira/browse/LUCENE-7564">LUCENE-7564</a> and <a href="http://issues.apache.org/jira/browse/LUCENE-7670">LUCENE-7670</a>
+enable AnalyzingInfixSuggester and BlendedInfixSuggester to play nicely with core reload.
+SolrSuggester.build() now throws SolrCoreState.CoreIsClosedException when interrupted
+by a core reload/shutdown.
+<br /><span class="attrib">(Steve Rowe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9800">SOLR-9800</a>: Factor out FacetComponent.newSimpleFacets method.
+<br /><span class="attrib">(Jonny Marks via Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9914">SOLR-9914</a>: SimpleFacets: refactor "contains" check into "SubstringBytesRefFilter" class.
+<br /><span class="attrib">(Jonny Marks, David Smiley, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10072">SOLR-10072</a>: The test TestSelectiveWeightCreation appears to be unreliable.
+<br /><span class="attrib">(Michael Nilsson via Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10011">SOLR-10011</a>: Refactor PointField &amp; TrieField to now have a common base class, NumericFieldType. The
+TrieField.TrieTypes and PointField.PointTypes are now consolidated to NumericFieldType.NumberType. This
+refactoring also fixes a bug whereby PointFields were not using DocValues for range queries for
+indexed=false, docValues=true fields.
+<br /><span class="attrib">(Ishan Chattopadhyaya, Tomás Fernández Löbbe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9890">SOLR-9890</a>: factor out ShardResultTransformerUtils.[un]marshSortValue methods
+<br /><span class="attrib">(Judith Silverman, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9966">SOLR-9966</a>: Convert/migrate tests using EasyMock to Mockito
+<br /><span class="attrib">(Cao Manh Dat,  Uwe Schindler)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10173">SOLR-10173</a>: Make HttpShardHandlerFactory.getReplicaListTransformer more extensible.
+<br /><span class="attrib">(Ramsey Haddad via Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9842">SOLR-9842</a>: UpdateRequestProcessors have no way to guarantee the closing of resources used for a request.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9848">SOLR-9848</a>: Lower solr.cloud.wait-for-updates-with-stale-state-pause back down from 7 seconds.
+<br /><span class="attrib">(Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10020">SOLR-10020</a>: Cannot reload a core if it fails initialization.
+<br /><span class="attrib">(Mike Drob via Erick Erickson)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9450">SOLR-9450</a>: The docs/ folder in the binary distribution now contains a single index.html file linking
+to the online documentation, reducing the size of the download
+<br /><span class="attrib">(janhoy, Shawn Heisey, Uwe Schindler)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-7453">SOLR-7453</a>: Remove replication &amp; backup scripts in the solr/scripts directory of the checkout
+<br /><span class="attrib">(Varun Thacker)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10214">SOLR-10214</a>: Remove unused HDFS BlockCache metrics and add storeFails, as well as adding total
+counts for lookups, hits, and evictions.
+<br /><span class="attrib">(yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10134">SOLR-10134</a>: EmbeddedSolrServer responds on Schema API requests
+<br /><span class="attrib">(Robert Alexandersson via Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10219">SOLR-10219</a>: re-enable HDFS tests under JDK9
+<br /><span class="attrib">(hossman, Uwe Schindler)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10155">SOLR-10155</a>: For numeric types facet.contains= and facet.prefix= are now rejected.
+<br /><span class="attrib">(Gus Heck, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10171">SOLR-10171</a>: Add Constant Reduction Rules to Calcite Planner
+<br /><span class="attrib">(Kevin Risden)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10230">SOLR-10230</a>: default TTL of PKIAuthenticationPlugin increased to 10secs
+<br /><span class="attrib">(noble)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10235">SOLR-10235</a>: Fix DIH's TestJdbcDataSource to work with Java 9 and other Java runtimes that
+do not use the same DriverManager implementation like Oracle's original one. The test now
+uses a fully implemented Driver instance returning a mock connection. The test also works
+correct now if other drivers were installed before test execution (e.g., through IDE).
+<br /><span class="attrib">(hossman, Uwe Schindler)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8876">SOLR-8876</a>: change morphline test config files to work around 'importCommands' bug when using java9
+<br /><span class="attrib">(hossman)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10247">SOLR-10247</a>: Support non-numeric metrics and a "compact" format of /admin/metrics output.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9990">SOLR-9990</a>: Add PointFields in example/default schemas
+<br /><span class="attrib">(Tomás Fernández Löbbe)</span></li>
+    </ol>
+  </li>
+</ul>
+<h3><a id="v6.4.2" href="javascript:toggleList('v6.4.2')">Release 6.4.2  [2017-03-07]</a></h3>
+<ul id="v6.4.2.list">
+      <li>Consult the <a href="http://lucene.apache.org/core/6_6_0/changes/Changes.html">LUCENE_CHANGES.txt</a> file for additional, low level, changes in this release.
+</li>
+  </li>
+  <li><a id="v6.4.2.versions_of_major_components" href="javascript:toggleList('v6.4.2.versions_of_major_components')">Versions of Major Components</a>&nbsp;&nbsp;&nbsp;(6)
+    <ol id="v6.4.2.versions_of_major_components.list">
+      <li>Apache Tika 1.13
+</li>
+      <li>Carrot2 3.15.0
+</li>
+      <li>Velocity 1.7 and Velocity Tools 2.0
+</li>
+      <li>Apache UIMA 2.3.1
+</li>
+      <li>Apache ZooKeeper 3.4.6
+</li>
+      <li>Jetty 9.3.14.v20161028
+</li>
+    </ol>
+  </li>
+  <h4>Detailed Change List</h4>
+  <li><a id="v6.4.2.bug_fixes" href="javascript:toggleList('v6.4.2.bug_fixes')">Bug Fixes</a>&nbsp;&nbsp;&nbsp;(5)
+    <ol id="v6.4.2.bug_fixes.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10130">SOLR-10130</a>, <a href="http://issues.apache.org/jira/browse/SOLR-10182">SOLR-10182</a>: Serious performance degradation in Solr 6.4.1 due to the new metrics collection.
+Default settings in solrconfig.xml /config/indexConfig/metrics have been changed to turn off
+IndexWriter metrics collection. Directory level metrics collection has been completely removed until
+a better design is found.
+<br /><span class="attrib">(ab, ishan)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10138">SOLR-10138</a>: Transaction log replay can hit an NPE due to new Metrics code.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10083">SOLR-10083</a>: Fix instanceof check in ConstDoubleSource.equals
+<br /><span class="attrib">(Pushkar Raste via Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10190">SOLR-10190</a>: Fix NPE in CloudSolrClient when reading stale alias
+<br /><span class="attrib">(Janosch Woschitz via Tomás Fernández Löbbe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10192">SOLR-10192</a>: Fix copy/paste in solr-ltr pom.xml template.
+<br /><span class="attrib">(Christine Poerschke)</span></li>
+    </ol>
+  </li>
+</ul>
+<h3><a id="v6.4.1" href="javascript:toggleList('v6.4.1')">Release 6.4.1  [2017-02-06]</a></h3>
+<ul id="v6.4.1.list">
+      <li>Consult the <a href="http://lucene.apache.org/core/6_6_0/changes/Changes.html">LUCENE_CHANGES.txt</a> file for additional, low level, changes in this release.
+</li>
+  </li>
+  <li><a id="v6.4.1.versions_of_major_components" href="javascript:toggleList('v6.4.1.versions_of_major_components')">Versions of Major Components</a>&nbsp;&nbsp;&nbsp;(6)
+    <ol id="v6.4.1.versions_of_major_components.list">
+      <li>Apache Tika 1.13
+</li>
+      <li>Carrot2 3.15.0
+</li>
+      <li>Velocity 1.7 and Velocity Tools 2.0
+</li>
+      <li>Apache UIMA 2.3.1
+</li>
+      <li>Apache ZooKeeper 3.4.6
+</li>
+      <li>Jetty 9.3.14.v20161028
+</li>
+    </ol>
+  </li>
+  <li><a id="v6.4.1.upgrade_notes" href="javascript:toggleList('v6.4.1.upgrade_notes')">Upgrade Notes</a>&nbsp;&nbsp;&nbsp;(1)
+    <ol id="v6.4.1.upgrade_notes.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10035">SOLR-10035</a>: Category names of some SolrInfoMBeans have been changed in release 6.4.0. This issue
+changes the /admin/mbeans handler to return these beans both under the new and the old back-compatible
+names. Old names are deprecated and will be eventually removed in Solr 7.0. They can be also removed via
+system property "-Dsolr.mbeans.useOnlyNewNaming=true".
+<br /><span class="attrib">(ab, Shawn Heisey, Jan Høydahl)</span></li>
+    </ol>
+  </li>
+  <li><a id="v6.4.1.bug_fixes" href="javascript:toggleList('v6.4.1.bug_fixes')">Bug Fixes</a>&nbsp;&nbsp;&nbsp;(4)
+    <ol id="v6.4.1.bug_fixes.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9969">SOLR-9969</a>: "Plugin/Stats" section of the UI doesn't display empty metric types
+<br /><span class="attrib">(Tomás Fernández Löbbe)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8491">SOLR-8491</a>: solr.cmd SOLR_SSL_OPTS is overwritten
+<br /><span class="attrib">(Sam Yi, Andy Hind, Marcel Berteler, Kevin Risden)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10031">SOLR-10031</a>: Validation of filename params in ReplicationHandler
+<br /><span class="attrib">(Hrishikesh Gadre, janhoy)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-10054">SOLR-10054</a>: Core swapping doesn't work with new metrics changes in place
+<br /><span class="attrib">(ab)</span></li>
+    </ol>
+  </li>
+</ul>
+<h3><a id="v6.4.0" href="javascript:toggleList('v6.4.0')">Release 6.4.0  [2017-01-23]</a></h3>
+<ul id="v6.4.0.list">
+      <li>Consult the <a href="http://lucene.apache.org/core/6_6_0/changes/Changes.html">LUCENE_CHANGES.txt</a> file for additional, low level, changes in this release.
+</li>
+  </li>
+  <li><a id="v6.4.0.versions_of_major_components" href="javascript:toggleList('v6.4.0.versions_of_major_components')">Versions of Major Components</a>&nbsp;&nbsp;&nbsp;(6)
+    <ol id="v6.4.0.versions_of_major_components.list">
+      <li>Apache Tika 1.13
+</li>
+      <li>Carrot2 3.15.0
+</li>
+      <li>Velocity 1.7 and Velocity Tools 2.0
+</li>
+      <li>Apache UIMA 2.3.1
+</li>
+      <li>Apache ZooKeeper 3.4.6
+</li>
+      <li>Jetty 9.3.14.v20161028
+</li>
+    </ol>
+  </li>
+  <h4>Detailed Change List</h4>
+  <li><a id="v6.4.0.upgrade_notes" href="javascript:toggleList('v6.4.0.upgrade_notes')">Upgrade Notes</a>&nbsp;&nbsp;&nbsp;(8)
+    <ol id="v6.4.0.upgrade_notes.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9166">SOLR-9166</a>: Export handler returns zero for numeric fields that are not in the original doc. One
+consequence of this change is that you must be aware that some tuples will not have values if
+there were none in the original document.
+<p/>
+</li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8785">SOLR-8785</a>: Metrics related classes in org.apache.solr.util.stats have been removed in favor of
+the dropwizard metrics library. Any custom plugins using these classes should be changed to use
+the equivalent classes from the metrics library.
+As part of this, the following changes were made to the output of Overseer Status API:
+</li>
+      <li>The "totalTime" metric has been removed because it is no longer supported
+</li>
+      <li>The metrics "75thPctlRequestTime", "95thPctlRequestTime", "99thPctlRequestTime"
+and "999thPctlRequestTime" in Overseer Status API have been renamed to "75thPcRequestTime", "95thPcRequestTime"
+and so on for consistency with stats output in other parts of Solr.
+</li>
+      <li>The metrics "avgRequestsPerMinute", "5minRateRequestsPerMinute" and "15minRateRequestsPerMinute" have been
+replaced by corresponding per-second rates viz. "avgRequestsPerSecond", "5minRateRequestsPerSecond"
+and "15minRateRequestsPerSecond" for consistency with stats output in other parts of Solr.
+<p/>
+</li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9708">SOLR-9708</a>: You are encouraged to try out the UnifiedHighlighter by setting hl.method=unified and report feedback. It
+might become the default in 7.0. It's more efficient/faster than the other highlighters, especially compared to the
+original Highlighter. That said, some options aren't supported yet.
+It will get more features in time, especially with your input. See HighlightParams.java
+for a listing of highlight parameters annotated with which highlighters use them.
+hl.useFastVectorHighlighter is now considered deprecated in lieu of hl.method=fastVector.
+<p/>
+</li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9712">SOLR-9712</a>: maxWarmingSearchers now defaults to 1, and more importantly commits will now block if this
+limit is exceeded instead of throwing an exception (a good thing). Consequently there is no longer a
+risk in overlapping commits.  Nonetheless users should continue to avoid excessive committing. Users are
+advised to remove any pre-existing maxWarmingSearchers entries from their solrconfig.xml files.
+<p/>
+</li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-7466">SOLR-7466</a>: complexphrase query parser now supports leading wildcards. Beware of its' possible heaviness.
+Users are encouraged to use ReversedWildcardFilter in index time analysis.
+<p/>
+</li>
+    </ol>
+  </li>
+  <li><a id="v6.4.0.new_features" href="javascript:toggleList('v6.4.0.new_features')">New Features</a>&nbsp;&nbsp;&nbsp;(40)
+    <ol id="v6.4.0.new_features.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9918">SOLR-9918</a>: Add SkipExistingDocumentsProcessor that skips duplicate inserts and ignores updates to missing docs
+<br /><span class="attrib">(Tim Owen via koji)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9293">SOLR-9293</a>: Solrj client support for hierarchical clusters and other topics
+marker.
+<br /><span class="attrib">(Dawid Weiss)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9681">SOLR-9681</a>: FacetModule / JSON Facet API added the ability to add filters directly to
+any facet command.  The filters are applied after any domain change operations.
+Example:  { type:terms, field:category, filter:"user:yonik" }
+<br /><span class="attrib">(yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9442">SOLR-9442</a>, <a href="http://issues.apache.org/jira/browse/SOLR-9787">SOLR-9787</a>: Adds Array of Name Type Value (json.nl=arrntv) style to JSONResponseWriter.
+<br /><span class="attrib">(Jonny Marks, Christine Poerschke, hossman)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9055">SOLR-9055</a>: Make collection backup/restore extensible.
+<br /><span class="attrib">(Hrishikesh Gadre, Varun Thacker, Mark Miller)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9682">SOLR-9682</a>: JSON Facet API: added "param" query type to facet domain filter specification to obtain
+filters via query parameters.
+<br /><span class="attrib">(yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9038">SOLR-9038</a>: Add a command-line tool to manage the snapshots functionality
+<br /><span class="attrib">(Hrishikesh Gadre via yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9633">SOLR-9633</a>: Limit memory consumed by FastLRUCache with a new 'maxRamMB' config parameter.
+<br /><span class="attrib">(yonik, Michael Sun, shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9666">SOLR-9666</a>: SolrJ LukeResponse support dynamic fields
+<br /><span class="attrib">(Fengtan via Kevin Risden)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9077">SOLR-9077</a>: Streaming expressions should support collection alias
+<br /><span class="attrib">(Kevin Risden)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9324">SOLR-9324</a>: Support Secure Impersonation / Proxy User for solr authentication
+<br /><span class="attrib">(Gregory Chanan, Hrishikesh Gadre via yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9721">SOLR-9721</a>: javabin Tuple parser for streaming and other end points
+<br /><span class="attrib">(noble)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9708">SOLR-9708</a>: Added UnifiedSolrHighlighter, a highlighter adapter for Lucene's UnifiedHighlighter. The adapter is a
+derivative of the PostingsSolrHighlighter, supporting mostly the same parameters with some differences.
+Introduced "hl.method" parameter which can be set to original|fastVector|postings|unified to pick the highlighter at
+runtime without the need to modify solrconfig from the default configuration. hl.useFastVectorHighlighter is now
+considered deprecated in lieu of hl.method=fastVector.
+<br /><span class="attrib">(Timothy Rodriguez, David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9728">SOLR-9728</a>: Ability to specify Key Store type in solr.in.sh file for SSL
+<br /><span class="attrib">(Michael Suzuki, Kevin Risden)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-5043">SOLR-5043</a>: New solr.dns.prevent.reverse.lookup system property that can be used to prevent long core
+(re)load delays on systems with missconfigured hostname/DNS
+<br /><span class="attrib">(hossman)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8542">SOLR-8542</a>: Adds Solr Learning to Rank (LTR) plugin for reranking results with machine learning models.
+<br /><span class="attrib">(Michael Nilsson, Diego Ceccarelli, Joshua Pantony, Jon Dorando, Naveen Santhapuri, Alessandro Benedetti, David Grohmann, Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9844">SOLR-9844</a>: FieldCache information fetched via the mbeans handler or seen via the UI now displays the total size used.
+The individual cache entries in the response are now formatted better as well.
+<br /><span class="attrib">(Varun Thacker)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9513">SOLR-9513</a>: Generic authentication plugins (GenericHadoopAuthPlugin and ConfigurableInternodeAuthHadoopPlugin) that delegate
+all functionality to Hadoop authentication framework.
+<br /><span class="attrib">(Hrishikesh Gadre via Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9860">SOLR-9860</a>: Enable configuring invariantParams via HttpSolrClient.Builder
+<br /><span class="attrib">(Hrishikesh Gadre, Ishan Chattopadhyaya)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9884">SOLR-9884</a>: Add version to segments handler output
+<br /><span class="attrib">(Steven Bower via Erick Erickson)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9725">SOLR-9725</a>: Substitute properties into JdbcDataSource configuration
+<br /><span class="attrib">( Jamie Jackson, Yuri Sashevsky via Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-4735">SOLR-4735</a>, <a href="http://issues.apache.org/jira/browse/SOLR-9921">SOLR-9921</a>: Improve metrics reporting. This uses the dropwizard metric library, adding an internal
+API for registering and reporting metrics from Solr components. Several new metrics and an improved JMX
+reporter have been added
+<br /><span class="attrib">(Alan Woodward, Jeff Wartes, Christine Poerschke, Kelvin Wong, shalin, ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9788">SOLR-9788</a>: Use instrumented jetty classes provided by the dropwizard metric library.
+<br /><span class="attrib">(shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9805">SOLR-9805</a>: Use metrics-jvm library to instrument jvm internals such as GC, memory usage and others.
+<br /><span class="attrib">(shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9812">SOLR-9812</a>, <a href="http://issues.apache.org/jira/browse/SOLR-9911">SOLR-9911</a>, <a href="http://issues.apache.org/jira/browse/SOLR-9960">SOLR-9960</a>: Added a new /admin/metrics API to return all metrics collected by Solr via API.
+API supports four optional multi-valued parameters:
+<ul class="bulleted-list">
+<li class="bulleted-list">
+'group' (all,jvm,jetty,node,core),
+</li>
+<li class="bulleted-list">
+'type' (all,counter,timer,gauge,histogram),
+</li>
+<li class="bulleted-list">
+'prefix' that filters the returned metrics,
+</li>
+<li class="bulleted-list">
+'registry' that selects one or more registries by prefix (eg. solr.jvm,solr.core.collection1)
+</li>
+<li class="bulleted-list">
+Example: <a href="http://localhost:8983/solr/admin/metrics?group=jvm,jetty&amp;type=counter">http://localhost:8983/solr/admin/metrics?group=jvm,jetty&amp;type=counter</a>
+</li>
+<li class="bulleted-list">
+Example: <a href="http://localhost:8983/solr/admin/metrics?group=jvm&amp;prefix=buffers,os">http://localhost:8983/solr/admin/metrics?group=jvm&amp;prefix=buffers,os</a>
+</li>
+<li class="bulleted-list">
+Example: <a href="http://localhost:8983/solr/admin/metrics?registry=solr.node,solr.core&amp;prefix=ADMIN">http://localhost:8983/solr/admin/metrics?registry=solr.node,solr.core&amp;prefix=ADMIN</a>
+</li>
+</ul>
+<span class="attrib">(shalin, ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9880">SOLR-9880</a>: Add Ganglia, Graphite and SLF4J metrics reporters.
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9897">SOLR-9897</a>: Add hl.requireFieldMatch toggle support when using the UnifiedHighlighter.  Defaults to false like the
+other highlighters that support this.
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9905">SOLR-9905</a>: Add NullStream to isolate the performance of the ExportWriter
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9891">SOLR-9891</a>: Add mkroot command to bin/solr and bin/solr.cmd
+<br /><span class="attrib">(Erick Erickson)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9668">SOLR-9668</a>,<a href="http://issues.apache.org/jira/browse/SOLR-7197">SOLR-7197</a>: introduce cursorMark='true' in SolrEntityProcessor
+<br /><span class="attrib">(Yegor Kozlov, Raveendra Yerraguntl via Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9684">SOLR-9684</a>: Add priority Streaming Expression
+<br /><span class="attrib">(Joel Bernstein, David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9854">SOLR-9854</a>: Collect metrics for index merges and index store IO
+<br /><span class="attrib">(ab)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-8530">SOLR-8530</a>: Add HavingStream to Streaming API and StreamingExpressions
+<br /><span class="attrib">(Joel Bernstein)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9877">SOLR-9877</a>: <a href="http://issues.apache.org/jira/browse/SOLR-9923">SOLR-9923</a>: <a href="http://issues.apache.org/jira/browse/SOLR-9948">SOLR-9948</a>: Use instrumented http client and connection pool in HttpShardHandler and
+UpdateShardHandler. The metrics are collected per query-less URL and method by default but it can be configured
+to host/method and per-method as well.
+<br /><span class="attrib">(shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9896">SOLR-9896</a>: Instrument and collect metrics from query, update, core admin and core load thread pools.
+<br /><span class="attrib">(shalin)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-7466">SOLR-7466</a>: Enable leading wildcard in complexphrase query parser, optimize it with  ReversedWildcardFilterFactory
+when it's provided
+<br /><span class="attrib">(Mikhail Khludnev)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9935">SOLR-9935</a>: Add hl.fragsize support when using the UnifiedHighlighter to avoid snippets/Passages that are too small.
+Defaults to 70.
+<br /><span class="attrib">(David Smiley)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9856">SOLR-9856</a>: Collect metrics for shard replication and tlog replay on replicas
+<br /><span class="attrib">(ab)</span>.
+<p/>
+</li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9886">SOLR-9886</a>: Add a 'enable' flag to caches to enable/disable them
+<br /><span class="attrib">(Pushkar Raste, noble)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9947">SOLR-9947</a>: Clean up some SolrInfoMBean categories. Add an alternative hierarchical view in JMX
+for SolrInfoMBeans, which uses similar conventions to SolrJmxReporter.
+<br /><span class="attrib">(ab)</span></li>
+    </ol>
+  </li>
+  <li><a id="v6.4.0.optimizations" href="javascript:toggleList('v6.4.0.optimizations')">Optimizations</a>&nbsp;&nbsp;&nbsp;(5)
+    <ol id="v6.4.0.optimizations.list">
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9704">SOLR-9704</a>: Facet Module / JSON Facet API: Optimize blockChildren facets that have
+filters specified by using those filters as acceptDocs.
+<br /><span class="attrib">(yonik)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9726">SOLR-9726</a>: Reduce number of lookupOrd calls made by the DocValuesFacets.getCounts method.
+<br /><span class="attrib">(Jonny Marks via Christine Poerschke)</span></li>
+      <li><a href="http://issues.apache.org/jira/browse/SOLR-9772">SOLR-9772</a>: Deriving distributed sort values (fieldSortValues) should reuse
+comparator and only invalidate leafComparator.
+<br /><span class="attrib">(John Call via yonik)</span></li>

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