Create 2026_04_28.md

docs/release_notes/2026_04_28.md

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+---
+title: 28 April 2026
+description: "AGDR release notes for 28 April 2026"
+---
+
+## Versions
+
+- Dictionary: 2025_09_01
+- Submission (sheepdog): v2026.02
+- Portal: production-7.2.4-2026.02
+- AGDR Internal helm chart: 1.4-0.2.13
+- REMS: 1.0
+
+
+### Internal micro-services and more
+
+- gen3-helm chart: 0.2.13
+- indexd: 2026.02
+- fence: 2026.02
+- arborist: 2026.02
+- peregrine: 2026.02
+- sheepdog: 2026.02
+- guppy: 2026.02
+- Elasticsearch: elasticsearch-oss:7.10.2
+- nginx (revproxy): 2026.02
+- tube: 2026.02
+- spark: 2026.02
+- manifestservice: 2026.02
+- metadata: production-1.2.2-2026.02
+- postgres: 16.4.0
+
+Note: *JupyterHub* is excluded as not used in AGDR.
+
+
+## New and Improved
+
+- Correct the raw and processed file number display bug in project discovery
+- Correct the metadata sync failure bug when the third-party API is not accessible
+- Change user login to Keycloak
+- Replace tls certification from ZeroSSL to Letsencrypt