Varnish Controller 5.1.0 Release

Note: All components needs to be upgraded for this release, see versioning.

The release includes bug fixes, new features and improvements.

New Features

• Support for custom headers in router health checks.
• Support for CNAME for external routes.
• External routes location template support (for custom location format).
• getent used as fallback to get uid/gid for components running as a user/group (to support IDM).
• Flatbuffer schema for gRPC plugin now includes tags for endpoints and support for rejection decision.
• Support for reject decision routes in the router.
• Support for regexp routing decision.
• X-Routed-For header for routed requests in a shared Varnish instance.
• DebugHeader for RoutingRules, to only show debug information if a configured header is present.
• UI: There is now a way to send varnishadm command to varnish servers.
• UI: Now using Gzip or Brotli for compression.
• UI: Updated the visual appearance of the graphs.

Improvements

• Fixes an issue with varnish_stat_id_seq max ID error in the database.
• Bug fixes for monitoring of agents during invalidation.
• Improvements to deployment of VCLGroups.
• Configuration file for the VCLI now have a stricter permission policy.
• UTC used for the database to avoid time zone issues.
• Router now reports correct NS records for private routers.
• Request logging (to stdout) in the router now logs failed requests as well.
• Fixes a bug where login via API required content-type application/json.
• Validation added for two or more VCLGroups with same domain cannot use different RoutingRules.
• Validation added to verify that healthcheck window-size and threshold must be larger than 0.
• Various updates to VCLI help outputs.
• TTL for NS records is now correct for the Request Router.
• All components build with Go 1.20.
• UI: Can now handle larger datasets more efficiently in CIDR and ASN routing decisions.
• UI: Fixed a bug in editor related to comments and includes.
• UI: Fixed a issue with CSRF token.
• UI: Various bug fixes and improvements to the dashboard.
• UI: Fixed an issue where large VCLs could get a timeout during the compilation stage.
• UI: Improved filter and search in data tables.
• UI: Improved a11y.

See Varnish Controller Changelog for more details on the changes and the upgrade notes for more details on how to upgrade.

Take a look at the Varnish Controller Deprecation page to prepare for upcoming major changes.

This update is recommended for all users.