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62 changes: 62 additions & 0 deletions considerations/minutes/technical-cab/2026-03-09-sip-039.md
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# Technical CAB Minutes

## Meeting Information

**Location:** Discord (async)

**Recorded:** No

**Date:**

- March 9th, 2026

**Time:** n/a

**Attendees:**

- Aaron Blankstein
- Brice Dobry
- Friedger
- j2p2
- Jesse Wiley
- Setzeus
- Radu
- Vlad



**Topic(s):**

- [SIP-039: Clarity 5 and Epoch 3.4](https://github.com/stacksgov/sips/pull/256)

**Materials**:

- [SIP-039: Clarity 5 and Epoch 3.4](https://github.com/stacksgov/sips/pull/256)
- [SIP-040: SIP for improved post-conditions](https://github.com/stacksgov/sips/pull/257)
- [SIP-042: Removal of at-block](https://github.com/stacksgov/sips/pull/262)


## 2026-03-09 Meeting Notes

The Technical CAB considered SIP-039 as a proposed update to Clarity to version 5 (Epoch 3.4). Additionally, there were 2 rider SIPS that were evaluated and will activate pending approval of SIP-039.

## Vote Outcome

Quorum is reached with 5 of 7 eligible CAB members voting on the SIP. Vote options were ✅ (yes), 🚫 (no), or 🤷 (abstain/no preference/insuficient context).

| Name | Vote |
| ---------------- | ---- |
| Aaron Blankstein | ✅ |
| Brice Dobry | 🤷 |
| Friedger | ✅ |
| j2p2 | ✅ |
| Jesse Wiley | ✅ |
| Setzeus | 🤷 |
| Vlad | 🤷 |
| Radu | ✅ |


_Note_ As a SIP authoer, Brice Dobry abstained from voting.

The Technical CAB approves SIP-039 with 5 yes votes, and 1 abstention by the
author. Since the 50% threshold is met, the SIP is recommended for ratification with a unanimous approval.
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## Biographies

**Aaron Blankstein**: Aaron is a staff engineer at Hiro, contributing to the Stacks blockchain and Clarity. He has been working on the Stacks blockchain for 7+ years, working on Proof-of-Transfer consensus, Clarity, and other projects.
**Aaron Blankstein**: Aaron is a staff engineer at Stacks Labs, contributing to the Stacks blockchain and Clarity. He has been working on the Stacks blockchain for 7+ years, working on Proof-of-Transfer consensus, Clarity, and other projects.

**Brice Dobry**: Brice is a staff engineer at Hiro, working on Clarinet and other developer tools, and contributing to the Stacks blockchain. Coming from a background in compilers, programming languages, and analysis tools, he is passionate about helping developers build productively, efficiently and safely.
**Brice Dobry**: Brice is a staff engineer at Stacks Labs, working on Clarinet and other developer tools, and contributing to the Stacks blockchain. Coming from a background in compilers, programming languages, and analysis tools, he is passionate about helping developers build productively, efficiently and safely.

**j2p2**: Computer Engineer and Clarity Developer. Won First and Second place in Clarity Course Cohort #2 Hackathon. Contributed to Stacks as a SIP editor; co-founded leos.guru, an educational platform, and chat.stacksgpt.xyz, a Q&A bot for Stacks & Bitcoin.

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