Preparing release 0.9.0.

Author: Anton Kucherov

CHANGELOG.md

@@ -8,6 +8,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Changed
 
+### Added
+
+### Fixed
+
+## [0.9.0]
+### Changed
+
 ### Added
 - [PMM-4131](https://jira.percona.com/browse/PMM-4131): Added missing features from [dcu/mongodb_exporter](https://github.com/dcu/mongodb_exporter). See list below.
 - New metrics:
@@ -18,6 +25,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 - [PMM-4427](https://jira.percona.com/browse/PMM-4427): Panic when read rocksdb status, txh [@lijinglin2019](https://github.com/lijinglin2019).
+- [PMM-4583](https://jira.percona.com/browse/PMM-4583): Fix panic when GetTotalChunksByShard (#158), txh [@lijinglin2019](https://github.com/lijinglin2019).
 
 ## [0.8.0]
 ### Changed
@@ -141,7 +149,8 @@ with source code locations.
 ### Added
 - First tagged version.
 
-[Unreleased]: https://github.com/percona/mongodb_exporter/compare/v0.8.0...HEAD
+[Unreleased]: https://github.com/percona/mongodb_exporter/compare/v0.9.0...HEAD
+[0.9.0]: https://github.com/percona/mongodb_exporter/compare/v0.8.0...v0.9.0
 [0.8.0]: https://github.com/percona/mongodb_exporter/compare/v0.7.1...v0.8.0
 [0.7.1]: https://github.com/percona/mongodb_exporter/compare/v0.7.0...v0.7.1
 [0.7.0]: https://github.com/percona/mongodb_exporter/compare/v0.6.3...v0.7.0

VERSION

@@ -1 +1 @@
-0.8.0
+0.9.0