# \[Announcement\] v0.5.1 Release & v0.6.0 Pre-Release

**URL:** <https://forum.aztec.network/t/announcement-v0-5-1-release-v0-6-0-pre-release/431>\
**Category:** Noir\
**Created:** [May 16, 2023, 11:57am UTC](https://forum.aztec.network/t/announcement-v0-5-1-release-v0-6-0-pre-release/431 "2023-05-16T11:57:43Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Savio](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.aztec.network/savio/32/21_2.png) [@Savio](https://forum.aztec.network/u/Savio)\
**Post date:** [May 16, 2023, 11:57am UTC](https://forum.aztec.network/t/announcement-v0-5-1-release-v0-6-0-pre-release/431/1 "2023-05-16T11:57:44Z")

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Release v0.5.1 and Pre-Release v0.6.0 are out 👨‍💻

v0.5.1 comes with:

- Basic UltraPlonk integration 🔥
- Poseidon hashing by [Aragon ZK Research](https://twitter.com/aragon_zk)
- Bug fixes

Find the changelogs here:

> **[Releases · noir-lang/noir](https://github.com/noir-lang/noir/releases)**
>
> Noir is a domain specific language for zero knowledge proofs - noir-lang/noir