# Aerospike Database 6.4.0.31 Release Notes

April 18, 2025  |  **[Download](https://aerospike.com/download/)**

## Bug fixes

### AER-6805

(EXPRESSIONS) Negative expression type input values may cause a crash.

Editions affected: Enterprise, Federal & Community

### AER-6804

(XDR) Retries are insufficiently throttled.

Editions affected: Enterprise & Federal Only

### AER-6803

(XDR) On rewind of a recently deleted DC, partitions may not all begin recovery.

Editions affected: Enterprise & Federal Only

## Improvements

### AER-6802

(FABRIC) Refactored heartbeat compression to eliminate unreachable memory leak.

Editions affected: Enterprise, Federal & Community

## Known issues

[Known issues for 6.4.0.31](https://aerospike.com/docs/database/reference/issues?search=6.4.0.31)