Updates for release 1.4

Signed-off-by: Andrea Frittoli <[email protected]>

Author: afrittoli

releases.md

@@ -41,6 +41,12 @@ Further documentation available:
 
 ## Release
 
+### v1.4
+- **Latest Release**: [v1.4.0][v1.4-0] (2025-09-04) ([docs][v1.4-0-docs], [examples][v1.4-0-examples])
+- **Initial Release**: [v1.4.0][v1.4-0] (2025-09-04)
+- **End of Life**: 2026-10-04
+- **Patch Releases**: [v1.4.0][v1.4-0]
+
 ### v1.3 (LTS)
 - **Latest Release**: [v1.3.1][v1.3-1] (2025-08-05) ([docs][v1.3-1-docs], [examples][v1.3-1-examples])
 - **Initial Release**: [v1.3.0][v1.3-0] (2025-08-04)
@@ -292,6 +298,7 @@ Older releases are EOL and available on [GitHub][tekton-pipeline-releases].
 [release-notes-standards]:
     https://github.com/tektoncd/community/blob/main/standards.md#release-notes
 
+[v1.4-0]: https://github.com/tektoncd/pipeline/releases/tag/v1.4.0
 [v1.3-1]: https://github.com/tektoncd/pipeline/releases/tag/v1.3.1
 [v1.3-0]: https://github.com/tektoncd/pipeline/releases/tag/v1.3.0
 [v1.2-0]: https://github.com/tektoncd/pipeline/releases/tag/v1.2.0
@@ -390,6 +397,10 @@ Older releases are EOL and available on [GitHub][tekton-pipeline-releases].
 [v0-37-5]: https://github.com/tektoncd/pipeline/releases/tag/v0.37.5
 [v0-37-0]: https://github.com/tektoncd/pipeline/releases/tag/v0.37.0
 
+[v1.4-0-docs]: https://github.com/tektoncd/pipeline/tree/v1.4.0/docs#tekton-pipelines
+[v1.3-1-docs]: https://github.com/tektoncd/pipeline/tree/v1.3.1/docs#tekton-pipelines
+[v1.3-0-docs]: https://github.com/tektoncd/pipeline/tree/v1.3.0/docs#tekton-pipelines
+[v1.2-0-docs]: https://github.com/tektoncd/pipeline/tree/v1.2.0/docs#tekton-pipelines
 [v1.1-0-docs]: https://github.com/tektoncd/pipeline/tree/v1.1.0/docs#tekton-pipelines
 [v1.0-0-docs]: https://github.com/tektoncd/pipeline/tree/v1.0.0/docs#tekton-pipelines
 [v0.70-0-docs]: https://github.com/tektoncd/pipeline/tree/v0.70.0/docs#tekton-pipelines
@@ -428,6 +439,7 @@ Older releases are EOL and available on [GitHub][tekton-pipeline-releases].
 [v0-38-4-docs]: https://github.com/tektoncd/pipeline/tree/v0.38.4/docs#tekton-pipelines
 [v0-37-5-docs]: https://github.com/tektoncd/pipeline/tree/v0.37.5/docs#tekton-pipelines
 
+[v1.4-0-examples]: https://github.com/tektoncd/pipeline/tree/v1.4.0/examples#examples
 [v1.3-1-examples]: https://github.com/tektoncd/pipeline/tree/v1.3.1/examples#examples
 [v1.3-0-examples]: https://github.com/tektoncd/pipeline/tree/v1.3.0/examples#examples
 [v1.2-0-examples]: https://github.com/tektoncd/pipeline/tree/v1.2.0/examples#examples

tekton/release-cheat-sheet.md

@@ -209,6 +209,8 @@ Optional: Add a photo of this release's "purr programmer" (someone's cat).
 1. Update [the catalog repo](https://github.com/tektoncd/catalog) test infrastructure
 to use the new release by updating the `RELEASE_YAML` link in [e2e-tests.sh](https://github.com/tektoncd/catalog/blob/main/test/e2e-tests.sh).
 
+1. Update [the plumbing repo](https://github.com/tektoncd/plumbing/blob/d244554a42d7b6a5f1180c58c513eeecc9febcde/tekton/cd/pipeline/overlays/oci-ci-cd/kustomization.yaml#L4) to deploy the latest version to the dogfooging cluster on OCI.
+
 1. For major releases, the [website sync configuration](https://github.com/tektoncd/website/blob/main/sync/config/pipelines.yaml)
    to include the new release.