6.21.3

As part of this release we had 3 commits which resulted in 6 issues being closed.

Dependency CVEs

• #6000 GitHub Security Advisory ID (GHSA-2fmv-rv2c-59x7) reported on branch release-6.21
• #6001 GitHub Security Advisory ID (GHSA-846f-f764-76mx) reported on branch release-6.21

Improvements

• #6017 .NET October 2026 Updates
• #6018 Windows installer packages unused Kafka client libraries that include a vulnerable libcurl
• #6019 Exclude unused Kafka libraries and update .NET to 10.0.13
• #6033 Update Particular.ServicePulse.Core to 2.12.1

Where to get it

You can download this release from our website.

🛡 ClamAV virus scan results: No viruses detected

Version: ClamAV 1.5.4
Scan Date: Fri, 23 Oct 2026 16:52:01 GMT

----------- SCAN SUMMARY -----------
Known viruses: 3628191
Engine version: 1.5.4
Scanned directories: 1
Scanned files: 4
Infected files: 0
Data scanned: 29.30 MiB
Data read: 496.98 MiB (ratio 0.06:1)
Time: 24.927 sec (0 m 24 s)
Start Date: 2026:10:23 16:51:35
End Date:   2026:10:23 16:52:00