use-ink · HCastano · Nov 30, 2022 · Nov 29, 2022 · Nov 30, 2022 · Nov 30, 2022
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+---
+title: November '22
+slug: /monthly-update/2022/11
+---
+
+## ink! `v4.0.0-beta` 🦑
+
+We released the ink! [`v4.0.0-beta`](https://github.com/paritytech/ink/releases/tag/v4.0.0-beta) 🎉
+
+The focus of this beta release was to establish the stable ABI for the final `v4.0.0`
+release. It means that whilst subsequent `beta` releases may contain breaking contract
+*code* changes, the ABI will remain the same so that any contract compiled and deployed
+with `v4.0.0-beta` continue to be compatible with all future `v4.0.0` versions.
+
+In order to build contracts which use ink! `v4.0.0-beta` you need to use
+`cargo-contract` [`v2.0.0-beta`](https://github.com/paritytech/cargo-contract/releases/tag/v2.0.0-beta).
+
+We also released
+[`v0.22.1`](https://github.com/paritytech/substrate-contracts-node/releases/tag/v0.22.1)
+ of the [`substrate-contracts-node`](https://github.com/paritytech/substrate-contracts-node)., which is compatible with the
+`v4.0.0-beta` release.
+
+If you're interested in digging further, check out the relevant `CHANGELOG`s.
+
+## Parity Retreat in Sardinia 🌞
+
+Our team (and Parity as a whole) spent a few days enjoying the warmth and sunshine of
+Sardinia.
+
+We talked about the road towards a stable ink! `v4.0` release, improvements to the non-Rust
+developer experience, and ways to improve the adoption of ink!. Keep an eye out on the
+next few updates to see the fruits of these discussions.
+
+These in-person get togethers are especially valuable bonding experience for a global
+team like ours. As of this writing we're spread across eight different countries!
+
+![Sardinia 2022](/img/monthly-update/sardinia-2022.jpg)
+
+## Shilling at Sub0 🗣️
+
+Alex and German had a fireside chat session at [Sub0](https://sub0.polkadot.network/), the Polkadot Developer conference.
+
+We're still waiting for the recoding to be uploaded, and we'll share that link here when
+it's available!
+
+![Sub0 Fireside 2022](/img/monthly-update/sub0-fireside-2022.jpg)
+
+## ink! x OpenZeppelin 🔏
+The Polkadot council approved a [treasury proposal](https://polkadot.subsquare.io/council/motion/296) funding
+[OpenZeppelin](https://www.openzeppelin.com/)'s review and audit of ink! and the Contracts pallet.
+
+The tl;dr here is that OpenZeppelin will be taking a look at ink! as a language and will
+give some recommendations for how to make the language safer.
+
+We'll be sharing more about this in the upcoming weeks once the review gets started!