Add missing changelog for v2.0.3 (#1410)

* Update changelog for v2.0.3

(cherry picked from commit b551699)
(cherry picked from commit 215973b)

CHANGELOG.md

@@ -4,6 +4,31 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Serialization Versioning](VERSIONING.md).
 
+## [2.0.3] - 2020-03-24
+
+### Fixed
+
+- Add support for watching nil prefix in subscribe API (#1246)
+
+### Performance
+
+- Compress/Encrypt Blocks in the background (#1227)
+- Disable cache by default (#1257)
+
+### Features
+
+- Add BypassDirLock option (#1243)
+- Add separate cache for bloomfilters (#1260)
+
+### New APIs
+- badger.DB
+  - BfCacheMetrics (#1260)
+  - DataCacheMetrics (#1260)
+- badger.Options
+  - WithBypassLockGuard (#1243)
+  - WithLoadBloomsOnOpen (#1260)
+  - WithMaxBfCacheSize (#1260)
+
 ## [2.0.2] - 2020-03-02
 
 ### Fixed
@@ -293,6 +318,8 @@ Bug fix:
 ## [1.0.1] - 2017-11-06
 * Fix an uint16 overflow when resizing key slice
 
+[Unreleased]: https://github.com/dgraph-io/badger/compare/v2.0.3...HEAD
+[2.0.3]: https://github.com/dgraph-io/badger/compare/v2.0.2...v2.0.3
 [2.0.2]: https://github.com/dgraph-io/badger/compare/v2.0.1...v2.0.2
 [2.0.1]: https://github.com/dgraph-io/badger/compare/v2.0.0...v2.0.1
 [2.0.0]: https://github.com/dgraph-io/badger/compare/v1.6.0...v2.0.0