Release Notes

Bug Fixes

• (ai) Saturate file-tracker mtimes and rebuild on new migrations (#4250)
• (ai) Start the daemon before ai commands if autostart is enabled (#4269)
• (ai) Add MCP list cache fields and a since filter for session list (#4294)
• (ai) Only look up repos for this host's sessions in the resume picker (#4400)
• (ai) Fit the resume picker's title to the version so a prerelease isn't cut off (#4406)
• (ai) Correct large-file read guidance (#4355)
• (ai-session) Read an unknown parent kind as None (#4301)
• (ai-session) Count content-derived calls once per session lineage (#4314)
• (ai-session) Keep compacted Claude and Pi sessions whole when restored from sync (#4357)
• (ai-session) Link a Claude compaction that kept messages to the line before it (#4370)
• (ai-session) Harden capture, sync and resume across agents (#4387)
• (ai-session) Fix opencode 1.x resume capture, A→B→A catch-up, synced tail, and picker tty, keys and idle CPU (#4398)
• (ai-session) Switch inside a merged run past a failed call without losing the run's earlier text (#4402)
• (build) Drop atuin's implicit arboard feature so nix builds again (#610)
• (config) Don't let a default ~/.atuin/config.toml hide the legacy config, and warn when one does (#4420)
• (config) Avoid shadowing data dir, fix gaps in avoidance logic (#4421)
• (daemon) Recover ai sessions in the background at boot (#4293)
• (daemon) Pick up ai.capture_sessions changes without a restart (#4362)
• (daemon) Run the daemonized daemon from / (#4358)
• (daemon) Write the record store before history.db when a command finishes (#4361)
• (daemon) Time out shell hook calls to an unresponsive daemon (#4360)
• (daemon) Only restart a daemon older than the client (#4359)
• (doctor) Fix sqlite error in atuin doctor (#4354)
• (hook) Write absolute executable path to agent configs (#4044)
• (pty-proxy) Fix forwarding of output to parent terminal under load (#4217)
• (pty-proxy) Fix PTY proxy initialization in fish (#4224)
• (pty-proxy) Preserve login shell status in init script (#4271)
• (pty-proxy) Periodically touch the socket to prevent automatic deletion (#4366)
• (scripts) Correct shebang prefix handling (#4416)
• (sync) Give sync errors their full cause and HTTP status, and flag a non-Atuin sync_address (#4423)
• (systemd) Stop pulling in systemd-networkd-wait-online (#4415)
• (vendor) Find the repository root from the script's location
• Timezone awareness during atuin search (#3762)
• Handling of OSC 133 sequences in prompt (#4221)
• Don't (re)start daemon on history end (#4229)
• Fall back to saving history locally when the daemon can't be started (#4234)
• Use github release proxy (#4297)
• Improve "output capture disabled" message (#4296)
• Literal out of range for usize (#4295)
• Meaning of today in mcp since (#4300)
• Atuin update --prerelease (#4429)

Documentation

• (ai) Describe continuing in another agent as carrying tool calls over (#4403)
• (zinit) Fix bpick pattern, add wait/lucid ices (#3492)
• Limit installation methods to those that install the latest version (#4219)
• Remove information about dotfiles in support matrix (#4298)

Features

• (ai) List, read and richer search MCP tools for sessions (#4280)
• (ai) Add atuin ai resume, a picker over agent sessions (#4311)
• (ai) Resume sessions recorded on other machines (#4315)
• (ai) Give every AI session a fixed UUIDv7 atuin id (#4326)
• (ai) Show parent, root and children links as atuin ids (#4337)
• (ai) Continue a session in another agent from atuin ai resume (#4325)
• (ai) Fork a session from atuin ai resume (#4340)
• (ai) Work out a session's heads on demand, with Codex rows linked to the row before (#4341)
• (ai) Catch sessions up with sync on resume, and fork from another machine's branch (#4345)
• (ai) Switch a diverged session's copy to another machine's branch on resume (#4350)
• (ai) Capture tool calls as well as messages (#4352)
• (ai) Capture and restore the diffs of agents' edits (#4369)
• (ai) Filter session reads by query and role, rank substring history matches first (#4367)
• (ai) Add atuin resume as short for atuin ai resume (#4382)
• (ai) List forks as a tree under their root in the session picker, mark running forks, and name the provider in Codex rollouts (#4399)
• (ai) Show the atuin id as ID and the harness's own as Harness ID in the resume picker's Inspect tab (#4401)
• (ai) Session picker reader pane, two-line rows grouped by day, visible scopes, per-session actions and an in-list resume chooser (#4383)
• (ai) Show atuin's MCP tool calls as 🐢 atuin in the session reader (#4411)
• (ai) Rename AI sessions to threads: atuin threads, [threads] and threads.db (#4418)
• (ai-session) Faster sidecar rebuilds, session grouping, and one search API (#4302)
• (ai-session) Fast-forward a behind transcript to its synced head (#4344)
• (ai-session) Search by message role and without subagents, and know a stateless MCP caller's own session (#4385)
• (ai-session) Show short session ids, and select text with the mouse in the resume picker (#4404)
• (ai-session) Capture sessions from when it's turned on, and atuin config enable ai-sessions (#4389)
• (api-client) Add the atuin.api.v1 protos (#4312)
• (common) Add BlockingPool, a cap on concurrent blocking work (#4242)
• (daemon) Store daemon socket path in pidfile (#4253)
• (i18n) Localize user-facing text with Fluent (#4233)
• (mcp) Add atuin mcp install <agent> and per-agent setup docs (#4417)
• (output) Add command_filter to drop output but keep history (#4268)
• (pty-proxy) Switch from OSC 133 to Atuin-specific sequence (#4291)
• (search) Add accept-cd and return-cd keymap actions (#4319)
• (secrets) Add several new known secrets formats (#4364)
• (server) Read the database password from db_password_file (#4425)
• Read login password and key from env or stdin (#3498)
• Enable workspaces by default (#1838)
• Capture ai agent sessions into the store (#4212)
• Automatically open login link (#4351)
• Send atuin register's login link to the hub's signup page (#4353)
• Config disable (#4349)
• Unify all data in ~/.atuin (customizable with ATUIN_HOME) (#4380)

Miscellaneous Tasks

• (buildkite) Fix the installer hang and address #4274 review (#4275)
• (buildkite) Build tests once, split test jobs by timing (#4278)
• (nix) Build with crane and cache to atuin.cachix.org (#4348)
• (nix) Set USER so cachix runs in the CI container
• (nix) Use stdenv.hostPlatform.isDarwin in atuin.nix (#4391)
• Sccache for codegen jobs, rust-cache for the rest (#4214)
• Fix Clippy warning about time::Duration (#4231)
• Rename Backoff::Linear to Backoff::Constant (#4238)
• Reduce record store disk usage (#4249)
• Run CI on Buildkite (#4274)
• Remove the GitHub Actions workflows Buildkite replaced (#4277)
• Use internal session ids (#4279)
• Tell hub when main moves
• Tiny bit of CONTRIBUTING.md formatting (#4317)
• Land pull requests with /merge
• One check per pipeline, and a merge status for /merge
• Skip CI on the update /merge makes, and keep other repos' links as text
• Keep lockfiles, vendored code and fixtures out of rg results
• Gate each deploy on its own checks and skip unchanged subtrees

Performance

• (ai) Make AI session rebuilds fast (#4343)
• (ai-session) Import existing sessions in batches, off the daemon's runtime (#4408)
• (daemon) Load the search index with a linear history scan (#4347)
• (dotfiles) Remove defunct bind feature detection for fish (#2532)
• Build the bundled SQLite with SQLITE_DEFAULT_MEMSTATUS=0 (#4342)
• Share Settings through Arc instead of deep-cloning it (#4410)

Refactor

• (ai-session) Squash sidecar migrations, intern repeated message text, drop session transcript (#4371)
• (ai-session) Drop compatibility with records, checkpoints and daemons from earlier builds (#4373)
• (deps) Bump vmactions/omnios-vm from 1.3.4 to 1.3.6 (#4029)
• (deps) Bump debian from bookworm-20260713-slim to bookworm-20260918-slim (#4025)
• (deps) Bump lukemathwalker/cargo-chef from e406ad0 to 9a2089c (#4026)
• (deps) Bump urllib3 from 2.7.0 to 2.8.0 in /docs in the uv group across 1 directory (#4313)
• (deps) Bump xxhash-rust from 0.8.15 to 0.8.16 in the cargo group across 1 directory (#4322)
• (deps) Bump tokio-util from 0.7.18 to 0.7.19 (#4289)
• (deps) Bump rustix from 1.1.4 to 1.1.5 (#4288)
• (deps) Bump colored from 2.2.0 to 3.1.1 (#4339)
• (deps) Bump async-trait from 0.1.89 to 0.1.92 (#4338)
• (deps) Bump mozilla-actions/sccache-action from 0.0.9 to 0.0.11 (#4287)
• (deps) Bump thiserror from 2.0.19 to 2.0.21 (#4284)
• (deps) Bump libc from 0.2.186 to 0.2.190 (#4397)
• (deps) Bump lukemathwalker/cargo-chef from 9a2089c to b4b459d (#4394)
• (deps) Bump debian from bookworm-20260918-slim to bookworm-20261005-slim (#4393)
• Hold secrets in secrecy types (#4237)
• Improve Shell::default_shell; fixes hanging test under Nextest (#4267)
• Switch from directories to dirs (#4306)
• Clean up atuin-common crate features (#4323)
• Add PathBufExt::joined to avoid unnecessary cloning of PathBufs (#4409)

Testing

• (ai-session) E2e tests for capture, sync and resume; scan new dirs in the tree watcher (#4368)
• Deflake the e2e shell tests

atuin 18.24.0

Install atuin 18.24.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/atuinsh/atuin/releases/download/v18.24.0/atuin-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/atuinsh/atuin/releases/download/v18.24.0/atuin-installer.ps1 | iex"

Download atuin 18.24.0

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:

gh attestation verify <file-path of downloaded artifact> --repo atuinsh/atuin

You can also download the attestation from GitHub and verify against that directly:

gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>

atuin-server 18.24.0

Install atuin-server 18.24.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/atuinsh/atuin/releases/download/v18.24.0/atuin-server-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/atuinsh/atuin/releases/download/v18.24.0/atuin-server-installer.ps1 | iex"

Download atuin-server 18.24.0

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:

gh attestation verify <file-path of downloaded artifact> --repo atuinsh/atuin

You can also download the attestation from GitHub and verify against that directly:

gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>