Spinnaker Release 2026.4.1

Breaking Changes

Features

Configuration

Fixes

• ci: release SBOM naming for deck and trim slim/standard image SBOMs (#8300) (#8309) ( 8645fd74 )
• cloudrun: Cloudrun never authoratatively cached LB data, so the clusters view never worked for cloudrun operations. (#8317) (#8330) ( 546e5655 )
• ecs: make ecs-native deploys work end to end (#8315) (#8324) ( 40e1c327 )
• gate: honor configured SAML session cookie settings (#8298) (#8304) ( 26991e2f )
• kork: align Tomcat with the Spring Boot 4 BOM (#8305) (#8306) ( 11ffb306 )
• security: remove compromised eMudhra roots from JRE images (#8325) (#8326) ( 95e08ec8 )

Other

• deps: bump Spring Boot to 4.1.2 (Tomcat 11.0.27) (#8314) (#8334) ( 1b3ed435 )