---
title: "Aerospike Database 6.3.0.21 Release Notes"
description: "Release notes for Aerospike Database 6.3.0.21, detailing bug fixes for storage and namespace statistics."
---

# Aerospike Database 6.3.0.21 Release Notes

> For the complete documentation index see: [llms.txt](https://aerospike.com/docs/llms.txt)
> 
> All documentation pages available in markdown.

April 30, 2024  |  **[Download](https://aerospike.com/download/)**

## Bug fixes

The following issues are resolved with this hotfix.

### AER-6731

(STORAGE) A race condition when shutting down can cause the last block written to not be flushed to its shadow device/file.

Editions affected: Enterprise, Federal & Community

### AER-6735

(STATS) [`nsup_cycle_deleted_pct`](https://aerospike.com/docs/database/reference/metrics#namespace__nsup_cycle_deleted_pct) may incorrectly show as “100” when the namespace is empty and nothing has been deleted.

Editions affected: Enterprise, Federal & Community

## Known issues

[Known issues for 6.3.0.21](https://aerospike.com/docs/database/reference/issues?search=6.3.0.21)