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nteract v2.2.0-stable.202604151939

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@github-actions github-actions released this 15 Apr 20:01
· 16 commits to main since this release
v2.2.0-stable.202604151939
4fc2940
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Grab the latest stable nteract for macOS, Windows, or Linux. Signed, notarized, and ready to run your notebooks.

What's Changed

Bug Fixes

  • show daemon error message in pool error banner (#1658) (frontend)(e04085a)
  • ephemeral notebook review cleanups (#1671) (runtimed)(3359216)
  • auto-reset circuit breaker after cooldown (#1674) (runt-mcp-proxy)(321adb8)
  • re-resolve child binary on every restart (#1677) (runt-mcp-proxy)(a812587)
  • coerce string booleans in MCP tool params (claude-code#32524) (#1678) (runt-mcp)(edb5d31)
  • respect SKIP_MATURIN during file-change handling (#1679) (mcp-supervisor)(1ed4371)
  • coerce string arrays in MCP tool params (claude-code#32524) (#1680) (runt-mcp)(b562604)
  • auto-create directories on save + block ephemeral UUID saves (#1683) (runtimed)(c79d0e0)
  • defensive sweep for orphaned executions on kernel restart (#1690) (runtimed)(bab5fd1)
  • graceful fallback for launch_app in headless environments (#1693) (runt-mcp)(53d2ffe)
  • parse UV checksum as hash+filename format (#1695) (kernel-launch)(f644f8b)
  • graceful kernel shutdown with signal escalation (#1696) (runtimed)(8bdffb5)
  • clean up ZeroMQ sockets when kernel dies (#1697) (runtimed)(ee2c48f)
  • clone state objects in AFM model proxy to prevent readonly errors (#1698) (widgets)(92e6ed3)
  • add child process monitoring for transparent restarts (#1701) (runt-mcp-proxy)(48d24db)
  • honor pool_size settings from settings.json (#1702) (runtimed)(967c7b1)
  • socket-aware daemon stop with signal escalation (#1704) (runt)(3005326)
  • runtime agent process groups for clean orphan reaping (#1717) (runtimed)(49f6df1)
  • check child transport state before skipping restart (#1722) (mcp-proxy)(1bd20da)
  • eliminate triple compilation of shared crates (#1724) (build)(01b584e)
  • update Tailwind arbitrary value CSS vars to --sift-* names (#1726) (sift)(7ffa849)
  • stop watching .git files in build scripts (#1727) (build)(258bc82)
  • env cleanup on room eviction and GC improvements (#1723) (runtimed)(b526496)
  • wait for Automerge doc sync before mutating in integration tests (#1729) (test)(2213e65)
  • stop promote_inline_deps_to_project from removing project deps (#1733) (runtimed)(66c12e8)
  • set current_runtime_agent_id in LaunchKernel request path (#1735) (runtimed)(ab12f14)
  • skip stale Python rebuilds in warm builds (#1737) (xtask)(99c9cdd)
  • gate shell_escape with #[cfg(unix)] to fix Windows warning (#1738) (build)(dd3986a)
  • match output area width to CodeMirror editor (#1741) (cell)(248655f)
  • replace shared watch with per-agent oneshot channel (#1743) (runtimed)(3154e2d)
  • propagate colorTheme to iframe document element (#1745) (iframe)(6586cd5)
  • default create_notebook working_dir to CWD for project detection (#1750) (mcp)(bb958d2)
  • prevent GC from deleting pool envs mid-warmup (#1752) (runtimed)(87f0043)
  • restore Classic Light syntax colors (#1753) (editor)(fdf31a8)
  • cell adder Tailwind classes + cream-aware iframe CSS vars (#1755) (theme)(acf6664)
  • use webkit-prefixed Fullscreen API for WKWebView compatibility (#1756) (sift)(f371577)
  • enable Fullscreen API for output iframes (#1758) (iframe)(efe8cc7)
  • handle LargeUtf8 string columns (pandas parquet default) (#1763) (predicate)(b84a9e1)
  • increase virtualization overscan to prevent blank rows on fast scroll (#1764) (sift)(51a3d16)
  • emit Ready after additive pool delta install (#1765) (env-progress)(bcc89a1)
  • dx-dist artifact path — uv workspace writes to repo-root dist/ (#1775) (ci)(be10507)
  • health-probe vite and reinstall on lockfile drift (#1778) (supervisor)(9188026)
  • render parquet via sift when pandas also emits HTML (#1779) (mime-priority)(53557d3)
  • fail the release when a PyPI publish step errors (#1781) (ci)(b34af2f)
  • pin ruff to 0.15.10 and reformat dx integration tests (#1802) (ci)(c2c5642)
  • reconnect on sync-socket framing errors (#1805) (runtime-agent)(4537498)
  • author text/llm+plain wins over synth (#1808) (output-resolver)(51eddfe)
  • check env sync drift after kernel restart (#1810) (runtimed)(71ae91c)
  • serve cached tools optimistically and bake in build channel (#1827) (mcpb-runt)(4fc2940)

Documentation

  • document daemon isolation setup and add supervisor failsafe (#1700)(8370da0)
  • update agent-facing docs to the up/down/status supervisor surface (#1784)(c95b64d)
  • extend _format_install module docstring to cover ipython_display path (#1785) (dx)(354c217)
  • refresh stale RoomKernel/kernel_manager.rs references (#1791)(4a83eea)
  • add test_dx_integration.py setup + run instructions (#1792) (testing)(2cfb081)
  • rewrite README for PyPI display (#1821) (dx)(58cff24)

Features

  • enable conda hot-sync for inline dependencies (#1661) (runtimed)(0627c33)
  • return per-cell outputs from run_all_cells (#1662) (runt-mcp)(e1eb16c)
  • content-aware multi-cell renderer with dev preview (#1665) (mcp-app)(7221be4)
  • add 'kernel' alias for 'runtime' in create_notebook (#1670) (runt-mcp)(99d8797)
  • ephemeral notebooks for MCP agents (#1669) (runtimed)(7ab1efb)
  • blob store GC for orphaned blobs (#1672) (runtimed)(8391471)
  • add nteract Codex and Claude plugin configs (#1666) (plugins)(521d0fc)
  • dynamic pool size configuration via settings doc (#1694) (runtimed)(b7732f5)
  • offline-first environment resolution (#1699) (kernel-env)(15d0394)
  • pool warming with network failure detection (#1703) (runtimed)(c214d48)
  • persist conda/pixi lock files for offline re-creation (#1705) (kernel-env)(908f3c5)
  • add @nteract/sift as packages/sift in monorepo (#1709) (sift)(703f7f6)
  • standalone renderer plugin test app (#1718) (renderer-test)(d89d2f7)
  • add parquet support to SiftTable url prop (#1720) (sift)(62cc46d)
  • add theme picker with Classic and Cream themes (#1725) (sift)(0cba8b3)
  • parquet renderer plugin, WASM blob server, color theme settings (#1730) (sift)(1436329)
  • whole-app cream theme with CodeMirror support (#1739)(140fabe)
  • warm accent colors for cream theme (#1740) (theme)(813c488)
  • own CodeMirror themes, replace Prism with Lezer static highlighting (#1742) (editor)(4b44adb)
  • parquet summaries for LLM + nteract-predicate/sift-wasm crate split (#1759) (mcp)(8188bcb)
  • nteract/dx — data-experience library for Python kernels (#1762) (dx)(5c2e5fd)
  • use project's real conda env for conda:env_yml notebooks (#1766) (conda)(cc0706f)
  • save ipynb with blob refs instead of base64 (spec 2) (#1769) (runtimed)(2350ff3)
  • blob GC correctness (spec 1) (#1770) (runtimed)(e8b4953)
  • expose reconnect tool on the standalone MCP proxy (#1776) (mcpb)(00492df)
  • consolidate tool surface — up, down, status, logs (#1777) (supervisor)(5724c04)
  • register ipython_display_formatter handler for DataFrames (#1780) (dx)(22001e7)
  • register formatters for narwhals DataFrame wrappers (#1782) (dx)(df439c7)
  • add GetDaemonInfo request as replacement for daemon.json (#1803) (protocol)(f35c3c0)
  • query_daemon_info helper prefers socket (#1804) (runtimed-client)(9b8d988)
  • cap Presence frames at 1 MiB in recv_typed_frame (#1806) (protocol)(ab5c0bd)
  • richer per-column stats + Dataset handler in text/llm+plain (#1809) (dx)(a43b2a8)
  • DaemonConnection — long-lived daemon session (Phases 1–3) (#1823) (runtimed-client)(10c3434)

Performance

  • trim tool descriptions to reduce context cost (#1688) (runt-mcp)(0d7061f)

Commit: 4fc2940f11558e857636f890e7c6a28f2571da8b

nteract (desktop app)

Platform Architecture Download
macOS ARM64 (Apple Silicon) nteract-stable-darwin-arm64.dmg
Windows x64 nteract-stable-windows-x64.exe
Linux x64 nteract-stable-linux-x64.AppImage
Linux x64 (deb) nteract-stable-linux-x64.deb

macOS builds are signed and notarized. Windows is not code signed — expect a SmartScreen prompt. Linux AppImage: chmod +x and run. Linux DEB: sudo dpkg -i nteract-stable-linux-x64.deb.

This release includes auto-update support. Existing installations will be notified of this update automatically.

Linux (APT repository)

# Add the nteract signing key
curl -fsSL https://apt.runtimed.com/nteract-keyring.gpg \
  | sudo gpg --dearmor -o /usr/share/keyrings/nteract-keyring.gpg

# Add the repository
echo "deb [arch=amd64 signed-by=/usr/share/keyrings/nteract-keyring.gpg] https://apt.runtimed.com stable main" \
  | sudo tee /etc/apt/sources.list.d/nteract.list

sudo apt update && sudo apt install nteract-stable

runt (CLI)

Also bundled inside the desktop app. Standalone binaries:

Platform Architecture Download
Linux x64 runt-linux-x64
macOS ARM64 runt-darwin-arm64

runtimed (Python — macOS, Linux, Windows)

pip install runtimed --pre

dx (Python kernel-side helpers)

pip install dx --pre
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