HSEARCH-1191 Fix Serialization code for Field types and field options
HSEARCH-1191 Fix LuceneFieldContext
HSEARCH-1191 Change references to IndexReader to DirectoryReader where it makes sense
HSEARCH-1191 New filtering logic in FreshReadersProvidedTest
HSEARCH-1191 IndexWriterConfig instances can not be reused to configure multiple IndexWriter(s)
HSEARCH-1191 Testing TokenFilterFactory implementations need a new Map<String,String> constructor
HSEARCH-1191 Update Similarity implementations used in tests
HSEARCH-1191 Update tests: CustomerShardingStrategy
HSEARCH-1191 Update tests: DynamicShardingTest
HSEARCH-1191 Update test: InheritanceTest
HSEARCH-1191 DocumentExtractor to use the new FieldLoadingVisitor strategy: old method was removed
HSEARCH-1191 IndexReader instances are now opened via DirectoryReader
HSEARCH-1191 Analyzers: apply required changes to use the Analyzer framework and adapt to new Solr classloading
HSEARCH-1191 Fix tests: CompressionTest
HSEARCH-1191 Document.getFieldable is now getField (and returns a different type)

Also, Field no longer implements Fieldable
HSEARCH-1191 Searcher instances no longer require to be closed (and close() method was removed)

Needless to say, you still need to close the IndexReader which was provided to the Searchers.
HSEARCH-1191 [SPI] We changed the createTimeoutException() API
HSEARCH-1191 Fix StoreNormsTest: Field#getOmitNorms method is gone
HSEARCH-1191 Fix test WorkDoneOnEntitiesTest
HSEARCH-1191 Fix test: SharingBufferIndexProviderTest