Update 2025.md (#35083)

Author: liferoad

contributor-docs/discussion-docs/2025.md

@@ -27,3 +27,6 @@ limitations under the License.
 | 10 | Robert Bradshaw   | [Beam YAML Unknown Schemas](https://s.apache.org/beam-yaml-unknown-schema) | 2025-03-26 14:00:00 |
 | 11 | Derrick Williams | [Beam Yaml Integration Tests Gap Assessment and Proposal](https://s.apache.org/beam-yaml-it) | 2025-04-11 10:08:00 |
 | 12 | Jack McCluskey   | [Beam Python Yapf Version upgrade](https://s.apache.org/beam-python-yapf-upgrade) | 2025-05-01 16:30:00 |
+| 13 | Minbo Bae | [Beam Protobuf Schema (Java)](https://docs.google.com/document/d/1euOq_Uu4sycT-AiN6MQxJmsOgInyABiFSwW-U3kpwlk/edit?tab=t.0#heading=h.xzptrog8pyxf) | 2025-05-27 00:43:08 |
+| 14 | Charles Nguyen | [Beam YAML, Kafka and Iceberg User Accessibility (GSoC 2025)](https://docs.google.com/document/d/1m7AKZYkTf_cuJKU1eCh8oX25lOxwixnVUblEj16aSDU/edit?usp=sharing) | 2025-05-24 11:11:14 |
+| 15 | Kenneth Knowles | [Beam Element Extended Metadata - CDC Metadata](https://s.apache.org/beam-cdc-metadata) | 2025-05-02 14:05:13 |