Tart Updates & Release Notes

Name: Tart
Brand: Cirrus Labs

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24 updates curated from 1 source by the Releasebot Team. Last updated: Oct 15, 2026

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Oct 15, 2026
Date parsed from source:
Oct 15, 2026

First seen by Releasebot:
Oct 15, 2026
Tart by Cirrus Labs

2.41.1

Tart releases an update that fixes ARP matching and deleted VM listings, includes rootfs in OCI configs, and adjusts guest-agent receive windows.
What's Changed

Treat an empty successful ARP cache as no address match by @sylvesterkaczmarek in #1363

Include rootfs in the OCI image config by @xangelix in #1360

Fix listing VMs deleted during metadata lookup by @rksharma-owg in #1354

tart exec: use 64 KiB Tart Guest Agent receive windows by @edi-oai in #1372

New Contributors

@xangelix made their first contribution in #1360

Full Changelog: 2.41.0...2.41.1
Original source
Oct 13, 2026
Date parsed from source:
Oct 13, 2026

First seen by Releasebot:
Oct 14, 2026
Tart by Cirrus Labs

2.41.0

Tart adds composable networking with --net-fd, arbitrary MAC address support, and fixes for Docker auth, display settings, and registry timestamps.
What's Changed

Allow colons in Docker config auth passwords by @LittleYier in #1370

Keep display refit setting when tart set changes other options by @LittleYier in #1369

tart run: introduce "--net-fd" for better network composability by @edi-oai in #1371

Parse fractional timestamps in registry token responses by @sylvesterkaczmarek in #1361

Support getting the MAC address, and setting an arbitrary MAC address by @mrpippy in #1327

New Contributors

@sylvesterkaczmarek made their first contribution in #1361

Full Changelog: 2.40.1...2.41.0
Original source
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Sep 30, 2026
Date parsed from source:
Sep 30, 2026

First seen by Releasebot:
Sep 30, 2026
Tart by Cirrus Labs

2.40.1

Tart fixes clone VM protection, control-socket recovery, and host networking in 2.40.1.

What's Changed

Protect existing VMs during clone by @rksharma-owg in #1331

fix(control-socket): recover from transient accept errors by @rksharma-owg in #1351

--net-host: use VZVmnetNetworkDeviceAttachment with VMNET_HOST_MODE by @edi-oai in #1356

Ignore commented-out bootptab reservations by @LittleYier in #1358

Full Changelog: 2.40.0...2.40.1
Original source
Sep 28, 2026
Date parsed from source:
Sep 28, 2026

First seen by Releasebot:
Sep 28, 2026
Tart by Cirrus Labs

2.40.0

Tart adds storage, VM delete, Swift compatibility, and tart ip updates in a new release.
What's Changed

fix(storage): preserve running VM delete errors by @rksharma-owg in #1350

Fix access time updates changing modification time by @fallintoplace in #1292

Weak-link Swift compatibility library in Tart releases by @rksharma-owg in #1339

tart ip: read /etc/bootptab in addition to /var/db/dhcpd_leases by @edi-oai in #1355

New Contributors

@rksharma-owg made their first contribution in #1350

@fallintoplace made their first contribution in #1292

Full Changelog: 2.39.0...2.40.0
Original source
Sep 26, 2026
Date parsed from source:
Sep 26, 2026

First seen by Releasebot:
Sep 26, 2026
Tart by Cirrus Labs

2.39.0

Tart fixes VM listing when disk capacity is unavailable and uses registry-1.docker.io for Docker Hub.

Changelog

bb4acb2 Fix listing VMs when disk capacity is unavailable (#1349)

65aea02 Use registry-1.docker.io for Docker Hub's docker.io host (#1332)
Original source
Similar to Tart with recent updates:
Sep 24, 2026
Date parsed from source:
Sep 24, 2026

First seen by Releasebot:
Sep 25, 2026
Tart by Cirrus Labs

2.38.0

Tart adds USB accessory disabling, sorted JSON saves, and ControlSocket and export fixes.
What's Changed

ControlSocket: duplicate VirtIO socket connection's file descriptor by @edi-oai in #1333

VMConfig: Save JSON with sorted keys by @mrpippy in #1326

Wait for collector in OpenTelemetry integration test by @yzhuang-oai in #1335

Add an option to disable USB accessories by @yzhuang-oai in #1338

Fix export overwrite confirmation on EOF by @LittleYier in #1342

New Contributors

@mrpippy made their first contribution in #1326

@LittleYier made their first contribution in #1342

Full Changelog: 2.37.0...2.38.0
Original source
Sep 9, 2026
Date parsed from source:
Sep 9, 2026

First seen by Releasebot:
Sep 10, 2026
Tart by Cirrus Labs

2.37.0

Tart fixes error reporting, control socket paths, stdout handling, and VM directory preservation in this changelog update.

Changelog

9bb2af2 Run ErrorReportingTask operations on the caller's actor (#1324)

cdb3579 Fix control socket paths with special characters (#1328)

3f15df9 Preserve stdout when running Softnet without a control FD (#1329)

1b4813f Preserve running VM directories during replacement (#1321)

c4cf73a Pin CI and build actions to full commit SHAs (#1325)
Original source
Aug 25, 2026
Date parsed from source:
Aug 25, 2026

First seen by Releasebot:
Aug 26, 2026
Tart by Cirrus Labs

2.36.0

Tart adds stacked disk support, OCI transport, and friendlier byte display in a broader release update.

Changelog

16d186c Add stacked disk integration coverage and documentation (#1316)
5f8795b Complete stacked disk command support (#1315)
f83cba8 Support stacked VM archive import and export (#1314)
32a627c Make stacked content pruning reference-aware (#1313)
4162ca1 Fail VM startup when its control socket cannot bind (#1311)
4ce8a11 Add OCI transport and base clone with DiskImageKit (#1304)
f87b57b Begin work on adding DiskImageKit to tart (#1303)
a438e2d tart {list,get}: display humanized byte units (#1301)
Original source
Aug 4, 2026
Date parsed from source:
Aug 4, 2026

First seen by Releasebot:
Aug 6, 2026
Tart by Cirrus Labs

2.35.0

Tart adds macOS 26 and Xcode 27 support in this release.

What's Changed

Build Tart on macOS 26 with Xcode 27 by @torarnv in #1294

Full Changelog: 2.34.0...2.35.0
Original source
Jul 21, 2026
Date parsed from source:
Jul 21, 2026

First seen by Releasebot:
Jul 22, 2026
Tart by Cirrus Labs

2.34.0

Tart adds Softnet policy control FD passthrough for improved policy control.

What's Changed

Pass Softnet policy control FD through Tart by @fkorotkov-oai in #1287

Full Changelog: 2.33.1...2.34.0
Original source
Jul 21, 2026
Date parsed from source:
Jul 21, 2026

First seen by Releasebot:
Jul 22, 2026
Tart by Cirrus Labs

2.33.1

Tart fixes release signing and notarization in a 2.33.1 patch update.

What's Changed

Fix Tart release signing and notarization by @fkorotkov-oai in #1286

Full Changelog: 2.33.0...2.33.1
Original source
Jul 17, 2026
Date parsed from source:
Jul 17, 2026

First seen by Releasebot:
Jul 18, 2026
Tart by Cirrus Labs

2.33.0

Tart adds macOS guest provisioning options, fixes a piped-stdin busy loop in tart exec, and improves release signing and build reliability. The update also clarifies Linux-only nested virtualization support and refreshes docs and Homebrew packaging.
What's Changed

docs: clarify that nested virtualization is only for Linux VMs for now by @edigaryev in #1233

Relicense under FSL-1.1-ALv2 by @fkorotkov-oai in #1238

[codex] Update docs after OpenAI move by @fkorotkov-oai in #1240

Don't run the AppKit run loop nested in Swift's async main by @torarnv in #1260

Add --provisioning-opts flag to provision macOS guests on first boot by @torarnv in #1263

Fix build warnings by @torarnv in #1262

fix(homebrew): wrap macOS version dependency in on_macos block by @wincent in #1264

[codex] Publish Tart to openai/homebrew-tools by @fkorotkov-oai in #1277

Fix busy loop in tart exec -i after piped stdin reaches EOF by @NTillmann in #1281

Fix Tart release code signing by @fkorotkov-oai in #1284

New Contributors

@fkorotkov-oai made their first contribution in #1238

@wincent made their first contribution in #1264

@NTillmann made their first contribution in #1281

Full Changelog: 2.32.1...2.33.0
Original source
Apr 12, 2026
Date parsed from source:
Apr 12, 2026

First seen by Releasebot:
Apr 12, 2026
Tart by Cirrus Labs

2.32.1

Tart ships Docker-related fixes, cleaner brew completions, and a docs announcement update.
What's Changed

[docs] Add announcement about joining OpenAI by @fkorotkov in #1223

Docker-related fixes by @edigaryev in #1221

Move brew completions to post_install by @fkorotkov in #1227

Full Changelog: 2.32.0...2.32.1
Original source
Mar 23, 2026
Date parsed from source:
Mar 23, 2026

First seen by Releasebot:
Mar 23, 2026
Tart by Cirrus Labs

2.32.0

Tart adds macOS Tahoe updates, a new Liquid Glass icon, and app bundle signing in the latest release.
What's Changed

Remove disk v1 support by @fkorotkov in #1204

Replace Sequoia with Tahoe in Quick Start's first few instructions & add Tahoe to images available by @minihoot in #1206

Mention macOS Tahoe everywhere instead of macOS Sequoia by @edigaryev in #1208

Update FAQ for local network prompt by @fkorotkov in #1211

Add Liquid Glass icon and sign the whole app bundle by @edigaryev in #1216

New Contributors

@minihoot made their first contribution in #1206

Full Changelog: 2.31.0...2.32.0
Original source
Feb 23, 2026
Date parsed from source:
Feb 23, 2026

First seen by Releasebot:
Mar 22, 2026
Tart by Cirrus Labs

2.31.0

Tart adds a new Accessed field in tart list, raises StdinCredentials limits, and refreshes its docs.
What's Changed

docs: document TART_REGISTRY_HOSTNAME by @edigaryev in #1195

docs: migrate "Managing VMs" section to "Quick Start" by @edigaryev in #1196

Update yearly pricing docs by @fkorotkov in #1197

Use ghcr.io/squidfunk/mkdocs-material:latest container for docs by @edigaryev in #1201

tart list: remove "SizeOnDisk" and add "Accessed" field by @edigaryev in #1202

StdinCredentials: increase maxCharacters to 8,192 by @edigaryev in #1203

Full Changelog

2.30.6...2.31.0
Original source

Curated by the Releasebot team

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Tart Updates & Release Notes

2.41.1

What's Changed

New Contributors

2.41.0

What's Changed

New Contributors

2.40.1

What's Changed

2.40.0

What's Changed

New Contributors

2.39.0

Changelog

Similar to Tart with recent updates:

2.38.0

What's Changed

New Contributors

2.37.0

Changelog

2.36.0

Changelog

2.35.0

What's Changed

2.34.0

What's Changed

2.33.1

What's Changed

2.33.0

What's Changed

New Contributors

2.32.1

What's Changed

Full Changelog: 2.32.0...2.32.1

2.32.0

What's Changed

New Contributors

2.31.0

What's Changed

Full Changelog

Curated by the Releasebot team