Summary of Changes

Minor Changes:

• cli: clustermesh: use ca bundle to connect clusters (cilium/cilium#42833, @MrFreezeex)

Bugfixes:

• cilium-cli: Fix NodePort deployment check in dual-stack clusters (cilium/cilium#43888, @gandro)
• Fix GKE conformance test NodePort timeouts by skipping unreachable external IP validation on GKE (cilium/cilium#44014, @pillai-ashwin)

CI Changes:

• cli: Relax warning exclusion for "unable to find key in local cache" (cilium/cilium#44149, @brb)

Misc Changes:

• chore(deps): update all-dependencies (main) (cilium/cilium#43700, @cilium-renovate[bot])
• chore(deps): update all-dependencies (main) (cilium/cilium#43824, @cilium-renovate[bot])
• chore(deps): update all-dependencies (main) (cilium/cilium#43965, @cilium-renovate[bot])
• chore(deps): update all-dependencies (main) (cilium/cilium#44090, @cilium-renovate[bot])
• chore(deps): update all-dependencies (main) (cilium/cilium#44235, @cilium-renovate[bot])
• chore(deps): update base-images (main) (cilium/cilium#43827, @cilium-renovate[bot])
• chore(deps): update base-images (main) (cilium/cilium#43969, @cilium-renovate[bot])
• chore(deps): update base-images (main) (cilium/cilium#44239, @cilium-renovate[bot])
• cilium-cli: Fix container name in connectivity test logs (cilium/cilium#44076, @HadrienPatte)
• docs: fix typos in comments (cilium/cilium#43821, @NAM-MAN)
• feat(cilium-cli): Add -r(estart) parameter to cilium upgrade (cilium/cilium#43722, @alagoutte)
• Introduce end-to-end tests for Cilium's ZTunnel integration. (cilium/cilium#43166, @ldelossa)
• Replace Index{,Byte} with Cut,Contains (cilium/cilium#43708, @joestringer)
• sysdump: Use label selectors for Hubble UI/Relay deployment collection (cilium/cilium#44227, @darox)
• chore(deps): update dependency cilium/cilium to v1.18.6 by @renovate[bot] in #3168
• Update stable release to v0.19.0 by @tklauser in #3169
• chore(deps): update go to v1.25.6 by @renovate[bot] in #3170
• chore(deps): update docker.io/library/golang:1.25.6 docker digest to ce63a16 by @renovate[bot] in #3172
• chore(deps): update actions/checkout action to v6.0.2 by @renovate[bot] in #3171
• ci: Harden the image build process by @ferozsalam in #3174
• chore(deps): update gcr.io/distroless/static:latest docker digest to 972618c by @renovate[bot] in #3176
• chore(deps): update all github action dependencies by @renovate[bot] in #3175
• chore(deps): update go to v1.25.7 by @renovate[bot] in #3178
• chore(deps): update golangci/golangci-lint docker tag to v2.9.0 by @renovate[bot] in #3179
• chore(deps): update go to v1.26.0 by @renovate[bot] in #3181
• chore(deps): update docker/build-push-action action to v6.19.0 by @renovate[bot] in #3180
• chore(deps): update docker/build-push-action action to v6.19.2 by @renovate[bot] in #3183
• Prepare for v0.19.1 release by @tklauser in #3184

New Contributors

• @ferozsalam made their first contribution in #3174

Full Changelog: v0.19.0...v0.19.1