nteract v2.2.0-nightly.202604171354

Automated nightly release from main.

What's Changed

Bug Fixes

• declare type=object on reconnect tool inputSchema (#1848) (runt-mcp-proxy)(601fb91)
• fix column pin/unpin reordering tearing UI (#1850) (sift)(8437d5b)

Features

• add install-nightly for headless Linux first-install (#1851) (xtask)(06f04e6)

---

Commit: 06f04e6072548ddf67c90929ab19f5ee1703a39c

nteract (desktop app)

Platform	Architecture	Download
macOS	ARM64 (Apple Silicon)	nteract-nightly-darwin-arm64.dmg
Windows	x64	nteract-nightly-windows-x64.exe
Linux	x64	nteract-nightly-linux-x64.AppImage
Linux	x64 (deb)	nteract-nightly-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-nightly-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 nightly main" \
  | sudo tee /etc/apt/sources.list.d/nteract.list

sudo apt update && sudo apt install nteract-nightly

runt-nightly (CLI)

Also bundled inside the desktop app. Standalone binaries:

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

runtimed (Python — macOS, Linux, Windows)

pip install runtimed --pre

dx (Python kernel-side helpers)

pip install dx --pre

nteract v2.2.0-nightly.202604170930

Automated nightly release from main.

What's Changed

Documentation

• sync agent + contributor docs to current architecture (#1846)(528fb9f)

---

Commit: 528fb9f3ece815d5f20d69ac3cf688a477ea4f01

nteract (desktop app)

Platform	Architecture	Download
macOS	ARM64 (Apple Silicon)	nteract-nightly-darwin-arm64.dmg
Windows	x64	nteract-nightly-windows-x64.exe
Linux	x64	nteract-nightly-linux-x64.AppImage
Linux	x64 (deb)	nteract-nightly-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-nightly-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 nightly main" \
  | sudo tee /etc/apt/sources.list.d/nteract.list

sudo apt update && sudo apt install nteract-nightly

runt-nightly (CLI)

Also bundled inside the desktop app. Standalone binaries:

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

runtimed (Python — macOS, Linux, Windows)

pip install runtimed --pre

dx (Python kernel-side helpers)

pip install dx --pre

nteract v2.2.0-nightly.202604162340

Automated nightly release from main.

What's Changed

Bug Fixes

• handle nested list values in table cells (#1843) (sift)(40d2f89)
• send RuntimeStateDoc sync replies on initial connection (#1844) (notebook-sync)(7c58446)

---

Commit: 7c584463d33dc4effb167c1494488731d3b72e10

nteract (desktop app)

Platform	Architecture	Download
macOS	ARM64 (Apple Silicon)	nteract-nightly-darwin-arm64.dmg
Windows	x64	nteract-nightly-windows-x64.exe
Linux	x64	nteract-nightly-linux-x64.AppImage
Linux	x64 (deb)	nteract-nightly-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-nightly-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 nightly main" \
  | sudo tee /etc/apt/sources.list.d/nteract.list

sudo apt update && sudo apt install nteract-nightly

runt-nightly (CLI)

Also bundled inside the desktop app. Standalone binaries:

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

runtimed (Python — macOS, Linux, Windows)

pip install runtimed --pre

dx (Python kernel-side helpers)

pip install dx --pre

nteract v2.2.0-nightly.202604162104

Automated nightly release from main.

What's Changed

Bug Fixes

• skip file watcher cell deletion when save snapshot is empty (#1837) (runtimed)(8b0368e)
• sync mcpb_install.rs tool descriptions and handle escaped quotes in check (#1842) (build)(da13681)

Features

• UUID-first notebook identity (#1838)(0b4cb46)

---

Commit: da13681789a37c9ac519203982ac483f53be24f7

nteract (desktop app)

Platform	Architecture	Download
macOS	ARM64 (Apple Silicon)	nteract-nightly-darwin-arm64.dmg
Windows	x64	nteract-nightly-windows-x64.exe
Linux	x64	nteract-nightly-linux-x64.AppImage
Linux	x64 (deb)	nteract-nightly-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-nightly-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 nightly main" \
  | sudo tee /etc/apt/sources.list.d/nteract.list

sudo apt update && sudo apt install nteract-nightly

runt-nightly (CLI)

Also bundled inside the desktop app. Standalone binaries:

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

runtimed (Python — macOS, Linux, Windows)

pip install runtimed --pre

dx (Python kernel-side helpers)

pip install dx --pre

nteract v2.2.0-nightly.202604161253

Automated nightly release from main.

What's Changed

Bug Fixes

• evict re-keyed rooms by Arc pointer, not stale key (#1836) (runtimed)(8badf16)
• defensive cell-count guard in rebuild_from_save (#1835) (notebook-sync)(63cd3ab)

---

Commit: 63cd3ab4f0b1248627b583d91cc4ba3c709346fd

nteract (desktop app)

Platform	Architecture	Download
macOS	ARM64 (Apple Silicon)	nteract-nightly-darwin-arm64.dmg
Windows	x64	nteract-nightly-windows-x64.exe
Linux	x64	nteract-nightly-linux-x64.AppImage
Linux	x64 (deb)	nteract-nightly-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-nightly-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 nightly main" \
  | sudo tee /etc/apt/sources.list.d/nteract.list

sudo apt update && sudo apt install nteract-nightly

runt-nightly (CLI)

Also bundled inside the desktop app. Standalone binaries:

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

runtimed (Python — macOS, Linux, Windows)

pip install runtimed --pre

dx (Python kernel-side helpers)

pip install dx --pre

nteract v2.2.0-nightly.202604160930

Automated nightly release from main.

What's Changed

Bug Fixes

• stream preview tail keeps final lines and stays disjoint from head (#1832) (runtimed)(143de40)
• prevent empty tool cache from poisoning disk (#1834) (mcpb-runt)(c6e0a44)

Features

• shared await_execution_terminal helper (#1833) (notebook-sync)(d13c392)

---

Commit: d13c392cf45deea20cd9a25b12e41a7380e4af7b

nteract (desktop app)

Platform	Architecture	Download
macOS	ARM64 (Apple Silicon)	nteract-nightly-darwin-arm64.dmg
Windows	x64	nteract-nightly-windows-x64.exe
Linux	x64	nteract-nightly-linux-x64.AppImage
Linux	x64 (deb)	nteract-nightly-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-nightly-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 nightly main" \
  | sudo tee /etc/apt/sources.list.d/nteract.list

sudo apt update && sudo apt install nteract-nightly

runt-nightly (CLI)

Also bundled inside the desktop app. Standalone binaries:

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

runtimed (Python — macOS, Linux, Windows)

pip install runtimed --pre

dx (Python kernel-side helpers)

pip install dx --pre

nteract v2.2.0-stable.202604151939

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...

nteract v2.2.0-nightly.202604152158

Automated nightly release from main.

What's Changed

Bug Fixes

• set explicit cwd on all UV subprocess commands (#1830) (kernel-env)(04c0409)

Features

• enrich create_notebook response, respect project env (#1831) (runt-mcp)(ee06423)
• llm_preview fields for blob-spilled stream and error outputs (#1829) (runtimed)(44de8c3)

---

Commit: 44de8c309b78431550674358acef65b8503dd1ab

nteract (desktop app)

Platform	Architecture	Download
macOS	ARM64 (Apple Silicon)	nteract-nightly-darwin-arm64.dmg
Windows	x64	nteract-nightly-windows-x64.exe
Linux	x64	nteract-nightly-linux-x64.AppImage
Linux	x64 (deb)	nteract-nightly-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-nightly-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 nightly main" \
  | sudo tee /etc/apt/sources.list.d/nteract.list

sudo apt update && sudo apt install nteract-nightly

runt-nightly (CLI)

Also bundled inside the desktop app. Standalone binaries:

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

runtimed (Python — macOS, Linux, Windows)

pip install runtimed --pre

dx (Python kernel-side helpers)

pip install dx --pre

nteract v2.2.0-nightly.202604151840

Automated nightly release from main.

What's Changed

Bug Fixes

• serve cached tools optimistically and bake in build channel (#1827) (mcpb-runt)(4fc2940)

Documentation

• rewrite README for PyPI display (#1821) (dx)(58cff24)

Features

• DaemonConnection — long-lived daemon session (Phases 1–3) (#1823) (runtimed-client)(10c3434)

---

Commit: 4fc2940f11558e857636f890e7c6a28f2571da8b

nteract (desktop app)

Platform	Architecture	Download
macOS	ARM64 (Apple Silicon)	nteract-nightly-darwin-arm64.dmg
Windows	x64	nteract-nightly-windows-x64.exe
Linux	x64	nteract-nightly-linux-x64.AppImage
Linux	x64 (deb)	nteract-nightly-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-nightly-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 nightly main" \
  | sudo tee /etc/apt/sources.list.d/nteract.list

sudo apt update && sudo apt install nteract-nightly

runt-nightly (CLI)

Also bundled inside the desktop app. Standalone binaries:

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

runtimed (Python — macOS, Linux, Windows)

pip install runtimed --pre

dx (Python kernel-side helpers)

pip install dx --pre

nteract v2.2.0-nightly.202604151705

Automated nightly release from main.

What's Changed

Bug Fixes

• check env sync drift after kernel restart (#1810) (runtimed)(71ae91c)

Features

• richer per-column stats + Dataset handler in text/llm+plain (#1809) (dx)(a43b2a8)

---

Commit: 71ae91c60a7cee4c6dc8c5c071c096484f272028

nteract (desktop app)

Platform	Architecture	Download
macOS	ARM64 (Apple Silicon)	nteract-nightly-darwin-arm64.dmg
Windows	x64	nteract-nightly-windows-x64.exe
Linux	x64	nteract-nightly-linux-x64.AppImage
Linux	x64 (deb)	nteract-nightly-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-nightly-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 nightly main" \
  | sudo tee /etc/apt/sources.list.d/nteract.list

sudo apt update && sudo apt install nteract-nightly

runt-nightly (CLI)

Also bundled inside the desktop app. Standalone binaries:

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

runtimed (Python — macOS, Linux, Windows)

pip install runtimed --pre

dx (Python kernel-side helpers)

pip install dx --pre