# Atuin v18.20.1 — 18.20.1

- Product: Atuin (https://whatsnew.fyi/product/atuin)
- Vendor: Atuin
- Date: 2026-08-27
- Version: v18.20.1
- Original notes: https://github.com/atuinsh/atuin/releases/tag/v18.20.1
- Permalink: https://whatsnew.fyi/product/atuin/releases/v18.20.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **fixed** — Bound WAL growth with journal_size_limit and a periodic compactor
- **fixed** — Correct sync_frequency default
- **fixed** — Use unique keybinding names in nu shell
- **fixed** — Correct documented local_timeout default
- **fixed** — Drop nonexistent session_path and correct path defaults
- **fixed** — Auto-generate encryption key if it doesn't exist
- **added** — Switch terminal emulation to atuin-vt100
- **removed** — Remove atuin-lab-share crate

##### Release Notes

###### Bug Fixes

- *(client)* Bound WAL growth with journal_size_limit + a periodic compactor ([#3994](https://github.com/atuinsh/atuin/issues/3994))
- *(docs)* Correct sync_frequency default ([#3984](https://github.com/atuinsh/atuin/issues/3984))
- *(nu)* Use unique keybinding names ([#3975](https://github.com/atuinsh/atuin/issues/3975))
- Correct documented local_timeout default ([#3983](https://github.com/atuinsh/atuin/issues/3983))
- Drop nonexistent session_path and correct path defaults ([#3985](https://github.com/atuinsh/atuin/issues/3985))
- Auto-generate encryption key if it doesn't exist ([#3998](https://github.com/atuinsh/atuin/issues/3998))


###### Features

- Switch terminal emulation to `atuin-vt100` ([#3995](https://github.com/atuinsh/atuin/issues/3995))


###### Miscellaneous Tasks

- *(release)* Include all crates in publish order


###### Refactor

- *(deps)* Bump uuid from 1.23.2 to 1.25.0 ([#3886](https://github.com/atuinsh/atuin/issues/3886))
- Remove atuin-lab-share crate ([#3993](https://github.com/atuinsh/atuin/issues/3993))

#### atuin-server 18.20.1

##### Install atuin-server 18.20.1

###### Install prebuilt binaries via shell script

```sh
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-installer.sh | sh
```

###### Install prebuilt binaries via powershell script

```sh
powershell -ExecutionPolicy Bypass -c "irm https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-installer.ps1 | iex"
```

##### Download atuin-server 18.20.1

|  File  | Platform | Checksum |
|--------|----------|----------|
| [atuin-server-aarch64-apple-darwin.tar.gz](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-aarch64-apple-darwin.tar.gz) | Apple Silicon macOS | [checksum](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-aarch64-apple-darwin.tar.gz.sha256) |
| [atuin-server-x86_64-apple-darwin.tar.gz](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-x86_64-apple-darwin.tar.gz) | Intel macOS | [checksum](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-x86_64-apple-darwin.tar.gz.sha256) |
| [atuin-server-x86_64-pc-windows-msvc.zip](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-x86_64-pc-windows-msvc.zip) | x64 Windows | [checksum](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-x86_64-pc-windows-msvc.zip.sha256) |
| [atuin-server-aarch64-unknown-linux-gnu.tar.gz](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-aarch64-unknown-linux-gnu.tar.gz) | ARM64 Linux | [checksum](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-aarch64-unknown-linux-gnu.tar.gz.sha256) |
| [atuin-server-x86_64-unknown-linux-gnu.tar.gz](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-x86_64-unknown-linux-gnu.tar.gz) | x64 Linux | [checksum](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-x86_64-unknown-linux-gnu.tar.gz.sha256) |
| [atuin-server-aarch64-unknown-linux-musl.tar.gz](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-aarch64-unknown-linux-musl.tar.gz) | ARM64 MUSL Linux | [checksum](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-aarch64-unknown-linux-musl.tar.gz.sha256) |
| [atuin-server-x86_64-unknown-linux-musl.tar.gz](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-x86_64-unknown-linux-musl.tar.gz) | x64 MUSL Linux | [checksum](https://github.com/atuinsh/atuin/releases/download/v18.20.1/atuin-server-x86_64-unknown-linux-musl.tar.gz.sha256) |

##### Verifying GitHub Artifact Attestations

The artifacts in this release have attestations generated with GitHub Artifact Attestations. These can be verified by using the [GitHub CLI](https://cli.github.com/manual/gh_attestation_verify):
```sh
gh attestation verify <file-path of dow

_[Truncated at 4000 characters — full notes: https://github.com/atuinsh/atuin/releases/tag/v18.20.1]_