EBL 3.0: SD-2934: Update What's New for END v3.0.3 (#614)

Author: HenrikHL

ebl/v3/endorsement/README.md

@@ -5,10 +5,20 @@ The DCSA Bill of Lading Endorsement Chain API is specified on [**SwaggerHub**](h
 Publications related to the Bill of Lading Endorsement Chain API:
 - [Glossary of Terms](https://knowledge.dcsa.org/s/glossary) maintained on the [dcsa.org](https://dcsa.org) website
 - [Bill of Lading](https://dcsa.org/standards/ebill-of-lading/) maintained on the [dcsa.org](https://dcsa.org) website (contains documents and publications)
-- [Bill of Lading](./../) maintained here on GitHub
-- [Bill of Lading Surrender](./../surrender/) maintained here on GitHub (the Surrender API)
+- [Bill of Lading](./..) maintained here on GitHub
+- [Bill of Lading Surrender](./../surrender) maintained here on GitHub (the Surrender API)
+
+<a name="v303"></a>[Release v3.0.3 (14 April 2026)](https://app.swaggerhub.com/apis-docs/dcsaorg/DCSA_EBL_END/3.0.3)
+---
+This is a "maintenance" release to align with eBL v3.0.3. This version updates the platform list and improves descriptions.
+- `endorsementChain` description for `Endorsee` updated
+- `eblPlatform` and `codeListProvider` lists updated with platforms that have been onboarded to the DCSA eBL APIs
+  - `DOCU` (DocuTrade)
+  - `AEOT` (AEOTrade)
+  - `SGTD` (SGTraDex)
+- `errorCode` description updated
 
 <a name="v302"></a>[Release v3.0.2 (14 November 2025)](https://app.swaggerhub.com/apis-docs/dcsaorg/DCSA_EBL_END/3.0.2)
 ---
-This is the initial release for the Endorsement Chain API - it is introduced as v3.0.2 as this aligns it with other Bill of Lading modules.
+This is the initial release for the Endorsement Chain API - it is introduced as v3.0.2 to align with other Bill of Lading modules.
 - Initial version aligned with Bill of Lading Surrender API