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 # Rocksdb Change Log
 ## Unreleased
+
+## 4.11.0 (8/1/2016)
+### Public API Change
+* options.memtable_prefix_bloom_huge_page_tlb_size => memtable_huge_page_size. When it is set, RocksDB will try to allocate memory from huge page for memtable too, rather than just memtable bloom filter.
+
+### New Features
+* A tool to migrate DB after options change. See include/rocksdb/utilities/option_change_migration.h.
+* Add ReadOptions.background_purge_on_iterator_cleanup. If true, we avoid file deletion when destorying iterators.
+
+## 4.10.0 (7/5/2016)
 ### Public API Change
 * options.memtable_prefix_bloom_bits changes to options.memtable_prefix_bloom_bits_ratio and deprecate options.memtable_prefix_bloom_probes
 * enum type CompressionType and PerfLevel changes from char to unsigned char. Value of all PerfLevel shift by one.
 * Deprecate options.filter_deletes.
-* options.memtable_prefix_bloom_huge_page_tlb_size => memtable_huge_page_size. When it is set, RocksDB will try to allocate memory from huge page for memtable too, rather than just memtable bloom filter.
 
 ### New Features
 * Add avoid_flush_during_recovery option.
 * Add a read option background_purge_on_iterator_cleanup to avoid deleting files in foreground when destroying iterators. Instead, a job is scheduled in high priority queue and would be executed in a separate background thread.
 * RepairDB support for column families. RepairDB now associates data with non-default column families using information embedded in the SST/WAL files (4.7 or later). For data written by 4.6 or earlier, RepairDB associates it with the default column family.
 * Add options.write_buffer_manager which allows users to control total memtable sizes across multiple DB instances.
-* A tool to migrate DB after options change. See include/rocksdb/utilities/option_change_migration.h.
-* Options file is in backup now. After restore, you can load options file and reuse it.
 
 ## 4.9.0 (6/9/2016)
 ### Public API changes