Merge pull request #2 from skunert/skunert-retain-II-2024-Q1

skunert - Retain Rank II Jan - May 2024

evidence/skunert/0001-skunert-retain-II-2024.md

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+# Evidence-0001: Retention at Rank II
+
+|                  |                  |
+| ---------------- | ---------------- |
+| **Report Date**  | 2024/05/03       |
+| **Submitted by** | Sebastian Kunert |
+
+## Member details
+
+- Matrix username: `@sebastian:parity.io`
+- Polkadot address: `1682A5hxfiS1Kn1jrUnMYv14T9EuEnsgnBbujGfYbeEbSK3w`
+- Current rank: 2
+- Date of initial induction: 2024/01/08
+- Date of last report: N/A
+- Area(s) of Expertise/Interest: `Cumulus Node`, `Substrate Node`
+
+## Reporting period
+
+- Start date: 2024/01/08
+- End date: 2024/05/13
+
+## Evidence
+
+### Projects
+
+Aside smaller contributions, I worked on the following projects:
+
+- **PoV-Reclaim:**
+  - **Description:** Allow parachains to make full use of their PoV-size by reclaiming storage weight that was overestimated due to worst-case benchmarking.
+  - **PRs:** [Runtime Side](https://github.com/paritytech/polkadot-sdk/pull/3002), [Node Side](https://github.com/paritytech/polkadot-sdk/pull/1462), [Integration Guide](https://github.com/paritytech/polkadot-sdk/pull/4244)
+  - **RFC:** [Introduce `storage_proof_size` host function](https://github.com/polkadot-fellows/RFCs/pull/43)
+- **Pinning Improvements:**
+  - **Description:** Revisited Substrate internal management of notification-based block pinning. Resolves issue where blocks were pinned too long.
+  - **PRs:** [Introduce Notification Pinning Limit](https://github.com/paritytech/polkadot-sdk/pull/2935)
+- **Parachain Authoring Overhaul:**
+  - **Description:** Work in progress to prepare parachain nodes for upcoming elastic-scaling changes. This will make the parachain block authoring more flexible by introducing authoring on multiple cores and preparing future, more dynamic, authoring models.
+  - **PRs:** [Refactor polkadot-parachain](https://github.com/paritytech/polkadot-sdk/pull/3511), [Prepare test infrastructure](https://github.com/paritytech/polkadot-sdk/pull/3568), [Introduce slot-based collator](https://github.com/paritytech/polkadot-sdk/pull/4097)
+
+[Full PR List](https://github.com/paritytech/polkadot-sdk/pulls?q=+is%3Apr+author%3Askunert+)
+
+### Talks
+
+- Parachain Summit: PoV Reclaim & Elastic Scaling