releases.shpreview

v1.21.6

$npx -y @buildinternet/releases show rel_DQJClqgMaDJmw5TmD-RPk

Release Highlights

This release mitigates a problem where invalid UTF-8 data could be supplied to the history service, causing a denial of service

Helpful links to get you started with Temporal

Temporal Docs Server Docker Compose Helm Chart

Docker images for this release (use the tag 1.21.6)

Server Server With Auto Setup (what is Auto-Setup?) Admin-Tools

Full Changelog: https://github.com/temporalio/temporal/compare/v1.21.5...v1.21.6

Fetched April 11, 2026