1---
2title: RocksDB 5.1.2 Released!
3layout: post
4author: maysamyabandeh
5category: blog
6---
7
8### Public API Change
9* Support dynamically change `delete_obsolete_files_period_micros` option via SetDBOptions().
10* Added EventListener::OnExternalFileIngested which will be called when IngestExternalFile() add a file successfully.
11* BackupEngine::Open and BackupEngineReadOnly::Open now always return error statuses matching those of the backup Env.
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13### Bug Fixes
14* Fix the bug that if 2PC is enabled, checkpoints may loss some recent transactions.
15* When file copying is needed when creating checkpoints or bulk loading files, fsync the file after the file copying.
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