Release history

Changelog

New features, fixes, and improvements in every Osaurus release.

v0.21.9 · July 7, 2026 · released 26 days ago

Osaurus 0.21.9

What's Changed

🐛 Bug Fixes

fixed sentry hangs & crashes (#1920) by @RaajeevChandran
Skip proactive model warm-up when the projected load exceeds the hard RAM ceiling (#1918) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.21.8...0.21.9

Download v0.21.9 View on GitHub →

v0.21.8 · July 7, 2026 · released 26 days ago

Osaurus 0.21.8

What's Changed

improved ram tight fit banner UI (#1910) by @RaajeevChandran
Add RAM tight-fit send gate and make model switches immediate (#1908) by @tpae
Add Trendshift badge to README (#1906) by @tpae
Run native-MTP cold warmup at model load, not on the first user request (#1903) by @mimeding
Show live tool-call progress card during buffered tool generation (#1894) by @jjang-ai

🚀 Features

Proactive model warm-up: prefill-ahead KV caching for faster TTFT (#1897) by @tpae

🐛 Bug Fixes

qwen3.5 agent-loop nudge + JANGTQ_K unblock + ZAYA tool-arg parser repin (#1907) by @jjang-ai
Fix folder file-write bugs: firmlinked-root rejection + new-file diff count (#1900) by @jjang-ai
Reflect tool-call failure in the collapsed card title (#1899) by @jjang-ai
Fix 0.21.7 Sentry issues: notch display-reconfig hangs and TextKit downgrade crash (#1898) by @tpae
improved favorite models UI (#1889) by @RaajeevChandran

🧰 Maintenance

improved chat thread performance (#1891) by @RaajeevChandran
Shorten chat-close unload grace from 60s to 15s (#1904) by @tpae
Free model memory on chat close, respond to memory pressure, and cap unbounded caches (#1901) by @tpae
added per-model API exposure controls with a Models tab in Server settings (#1893) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.21.7...0.21.8

Download v0.21.8 View on GitHub →

v0.21.7 · July 6, 2026 · released 27 days ago

Osaurus 0.21.7

What's Changed

Backfill compatibility leaderboard with previously tested models (#1868) by @tpae
Ornith 1.0 optimization loop: hybrid-family fix, recorded evals, community compatibility leaderboard (#1864) by @tpae
Improve Telegram connection diagnostics (#1856) by @mimeding
Cap sandbox plugin tool expansion (#1839) by @mimeding
Pin agent run prompt injection contract (#1836) by @mimeding
Add agent chat generation settings regression (#1835) by @mimeding
Clarify memory ingestion diagnostics (#1834) by @mimeding
Add support diagnostics bundle scaffold (#1829) by @mimeding
Discover custom external model folders (#1850) by @mimeding
updated chinese translations (#1858) by @ftzahao

🚀 Features

added terminal style input history navigation with arrow keys in chat input text field (#1885) by @RaajeevChandran
added full text conversation search and in-chat find with Cmd+F (#1883) by @RaajeevChandran
added option to expand thinking while streaming (#1871) by @RaajeevChandran

🐛 Bug Fixes

fixed plugin search matching unrelated plugins (#1880) by @RaajeevChandran
fixed image attachments being blocked or silently dropped for remote provider model (#1879) by @RaajeevChandran
fixed capabilities toggle initial render (#1878) by @RaajeevChandran
fixed notch overlay covering the menu bar and improved its hover/ dismiss behavior (#1874) by @RaajeevChandran
Repin vmlx-swift to merged main (class-killer #116 + norm #117 + Theme 3) — fixes Metal concurrency crash class (#1866) by @jjang-ai
fixed sentry hangs (#1867) by @RaajeevChandran
Fix ExternalPlugin shutdown teardown race and recurring app-side hangs (#1862) by @tpae
Fix self-scheduled runs not auto-starting; fresh chat per wake (#1855) by @tpae

🧰 Maintenance

Agent DB: sandbox file paths, db_export, and token-efficiency fixes (#1869) by @tpae
Harden MCP surfaces: session recovery, OAuth single-flight, stdio death detection, external-surface enforcement (#1870) by @tpae
Polish model catalog cards and promote Ornith Top Picks (#1860) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.21.6...0.21.7

Download v0.21.7 View on GitHub →

v0.21.6 · July 4, 2026 · released 29 days ago

Osaurus 0.21.6

What's Changed

Persist user turns before chat streaming (#1851) by @mimeding
Handle empty voice transcriptions (#1831) by @mimeding
Persist user turns before chat streaming (#1830) by @mimeding
Update Simplified Chinese and Traditional Chinese translations (#1820) by @ftzahao
Redesign Agent Channels settings as the Channels tab (#1827) by @tpae
Fix task progress overlay menu bar placement (#1825) by @mimeding
Polish Slack and Telegram Agent Channels (#1808) by @mimeding

🐛 Bug Fixes

fixed mistral remote provider reasoning support (#1847) by @RaajeevChandran
fixed subagent feed hang (#1832) by @RaajeevChandran

🧰 Maintenance

Eval matrix chat-model/subsystem split, delegation cases, and outcome-based frontier rubrics (#1853) by @tpae
Start Sparkle update checks at app launch (#1849) by @tpae
Local-model harness fixes from the gemma-4-E4B loop + full-coverage 3-way matrix (#1826) by @tpae
Harden Slack/Telegram Agent Channels after the PR #1808 audit (#1824) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.21.5...0.21.6

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v0.21.5 · July 3, 2026 · released 30 days ago

Osaurus 0.21.5

What's Changed

Polish Slack and Telegram Agent Channels (#1808) by @mimeding
added transcription cleanup toggle and redesign the dictation overlay (#1816) by @RaajeevChandran

🚀 Features

added favourite tab in the model selector (#1811) by @RaajeevChandran

🐛 Bug Fixes

stopped image composer chips from wrapping in a narrow window (#1809) by @RaajeevChandran
fixed Mistral reasoning format (#1804) by @RaajeevChandran
skip gpu teardown on quit so exit does not cause race condition (#1805) by @RaajeevChandran

🧰 Maintenance

Local-model harness fixes from the gemma-4-12B optimization loop (#1819) by @tpae
Repin vmlx-swift: strip orphan tool-call closer tags (#115) (#1817) by @jjang-ai
AppleScript subagent upgrade: capability reach, latency, consent UX, reliability (#1812) by @tpae
Korean localization: more natural terminology for Providers, Watchers, Computer Use, Identity, and quick actions (#1807) by @tpae
Onboarding model step: explicit resource costs, one pick per family, low-disk preflight (#1806) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.21.4...0.21.5

Download v0.21.5 View on GitHub →

v0.21.4 · July 2, 2026 · released 31 days ago

Osaurus 0.21.4

What's Changed

Add Russian localization (#1782) by @DrMaks22
Add safe custom JSON Agent Channel runner (#1652) by @mimeding
Add Agent Channel inbox audit workbench (#1784) by @mimeding
Repin vmlx-swift to c976fcbd — Ornith prefill counter advances (vmlx #105) (#1779) by @jjang-ai

🐛 Bug Fixes

gated Rampart PII scan and media prep as exclusive GPU producers (#1799) by @RaajeevChandran
Disconnect must not evict the BatchEngine (cold-load hangup crashed the server) (#1796) by @jjang-ai
Generation params: wire seed into the sampler, accept string stop, native penalties, min_p (#1793) by @jjang-ai
triage and fix sentry app hangs and crashes (#1781) by @RaajeevChandran
Repin vmlx-swift b6eda04f — MLX Metal stream-map thread-safety (fixes concurrent-GPU EXC_BAD_ACCESS crashes) (#1780) by @jjang-ai

🧰 Maintenance

Model catalog IA cleanup: family-grouped cards, variant picker, chat-only org fetch (#1800) by @tpae
Cut per-turn prompt cost: remote prompt caching + local KV prefix reuse + measured text trims (#1798) by @tpae
Subagent harness hardening: admission gate, mid-run interrupt, tool-capable workers, RAM coexistence, residency crash lane (#1797) by @tpae
Repin vmlx-swift: deterministic RMSNorm shift + Mistral VLM full-resolution images (#1791) by @jjang-ai
Settings IA cleanup: grouped sidebar, relocations, unified card primitives (#1792) by @tpae
Upgrade evals harness: repeat/resume runs, judge audit + calibration, micro-perf and prompt-injection suites (#1789) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.21.3...0.21.4

Download v0.21.4 View on GitHub →

v0.21.3 · July 1, 2026 · released 32 days ago

Osaurus 0.21.3

What's Changed

Add channel remote safety gate (#1768) by @mimeding
updated chinese translations (#1762) by @ftzahao
Add Computer Use web form proof lane (#1746) by @mimeding
Add tool result grounding evals (#1740) by @mimeding
Add model tool-use diagnostics (#1739) by @mimeding
added Mistral provider support with reasoning effort control (#1777) by @RaajeevChandran
Fix sweep: Mistral chat fix + hunyuan_v1_dense + Rampart PII (repin) + plugin auth (#1719) + MCP triage (#1761) by @jjang-ai
cap tool rows in remote and plugin cards to prevent layout hang (#1767) by @RaajeevChandran

🚀 Features

Add AppleScript Computer Use subagent with safe on-device execution (#1771) by @tpae

🐛 Bug Fixes

fixed app hang sentry issues (#1776) by @RaajeevChandran

🧰 Maintenance

Restore Ideogram in the image model download catalog (#1778) by @tpae
minor UI tweaks (#1775) by @RaajeevChandran
Unify the model-download tabs on a shared ModelListRow (#1774) by @tpae
Standardize on "subagent" spelling (drop hyphenated "sub-agent") (#1769) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.21.2...0.21.3

Download v0.21.3 View on GitHub →

v0.21.2 · June 30, 2026 · released 33 days ago

Osaurus 0.21.2

What's Changed

Add unified evidence report registry (#1629) by @mimeding
Add Agent Channel security foundation (#1728) by @mimeding
Add Agent Channel async substrate (#1651) by @mimeding

🚀 Features

added Rampart as a lightweight on-device PII detection model (#1764) by @RaajeevChandran

🐛 Bug Fixes

Fix KV-cache prefill reset after capabilities_load (#1760) by @tpae

🧰 Maintenance

Make Osaurus Cloud available by default with a permanent opt-out (only during onboarding) (#1766) by @tpae
Make local↔image model handoffs crash-free and seamless (#1765) by @tpae
Make screen context a per-agent Computer Use option (#1763) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.21.1...0.21.2

Download v0.21.2 View on GitHub →

v0.21.1 · June 29, 2026 · released 34 days ago

Osaurus 0.21.1

What's Changed

🐛 Bug Fixes

Make built-in Default agent non-configurable; fix sub-agent toggle persistence (#1756) by @tpae
Fix chat history loss from non-idempotent schema migrations (#1755) by @tpae

🧰 Maintenance

Improve image models tab: inline Hugging Face link and download sizes (#1759) by @tpae
Rename Image Generation tab to Images (#1758) by @tpae
Fix native image generation echoing artifact JSON instead of confirming (#1757) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.21.0...0.21.1

Download v0.21.1 View on GitHub →

v0.21.0 · June 29, 2026 · released 34 days ago

Osaurus 0.21.0

What's Changed

reduced default agent prefill cost on small local models (#1748) by @RaajeevChandran
fixed sentry hangs (#1747) by @RaajeevChandran
Add skill policy diagnostics (#1744) by @mimeding
Add redacted provider request diagnostics (#1743) by @mimeding
Recover chat continuation from transcript fallback (#1742) by @mimeding
Add agent collaboration protocol contract (#1630) by @mimeding
Add plugin marketplace trust preview (#1647) by @mimeding
Add Agent Channel action safety contract (#1646) by @mimeding
Complete Simplified Chinese localization (#1612) by @jiajun-dev
Add router account usage center (#1586) by @mimeding
Reject out-of-range proxy ports in GlobalProxyConfiguration (#1693) by @jax-0n-git
Avoid CLI crash on out-of-Int64-range model_info numbers in show (#1702) by @jax-0n-git
Add osaurus serve --supervise keep-alive loop to survive app quit (#1712) by @jax-0n-git
Accept an omitted args in desktop-format MCP bundle manifests (#1692) by @jax-0n-git
Tolerate and reap corrupt coordinator lock files (#1690) by @jax-0n-git
Fix MCP schema proxy miscasting JSON integers 0 and 1 as booleans (#1687) by @jax-0n-git
Don't treat a bare tools uninstall name as a CWD path (avoid deleting the wrong directory) (#1713) by @jax-0n-git
Add Computer Use forensic evidence runner (#1671) by @mimeding
hide non-MLX models that local engine can't load (#1729) by @RaajeevChandran
Fix same-turn capability tool activation (#1725) by @mimeding
updated chinese translations (#1720) by @ftzahao
fix: use veryShortWeekdaySymbols for schedule weekday display (#1722) by @ftzahao
fix app hang watchdog stalls across folder, tool listing, permissions, and launch (#1699) by @RaajeevChandran
improved plugin discovery for smaller local models (#1685) by @RaajeevChandran
Repin vmlx-swift: fix Mistral3/Pixtral VLM model-load crash (#1686) by @jjang-ai
Native image generation/editing + agent delegation (spawn / local_delegate) (#1682) by @jjang-ai

🚀 Features

added file diff cards for folder and sandbox edits (#1683) by @RaajeevChandran

🐛 Bug Fixes

Coalesce subagent image progress in place; show step/ETA + elapsed (#1753) by @tpae
fixed main thread freezes (#1754) by @RaajeevChandran
fix continuing and exporting conversations after the encryption update (#1749) by @RaajeevChandran
Fix concurrent-GPU crash on sub-agent residency handoff (unload: drain before free) (#1736) by @jjang-ai
fixed app hangs (#1730) by @RaajeevChandran
fixed tools page layout hang (#1724) by @RaajeevChandran
Fix LFM2 tool-calling: repin vmlx native 'List of tools' format (#1723) by @jjang-ai
fix context budget popover crash on System Prompt drill-down (#1684) by @tpae
Fix #1680: surface (not silently truncate) multi-step tool tasks on a premature-EOS empty turn (#1681) by @jjang-ai

🧰 Maintenance

minor image generation ux improvements (#1752) by @RaajeevChandran
Improve image generation: responsive cancel, live timer/estimate, dynamic OsaurusAI catalog (#1751) by @tpae
Split spawn into spawn_agent + spawn_model with cross-model residency (#1750) by @tpae
Expand and optimize the OsaurusEvals catalog + harness (local vs frontier) (#1741) by @tpae
Add a standard per-agent model picker for chat-driven sub-agents (#1738) by @tpae
Unify all subagent flows through the eval host and benchmark local vs frontier (#1735) by @tpae
Promote Image Generation to its own Settings section (#1734) by @tpae
Unify sub-agent delegation under one registry + per-agent Sub-agents tab (#1731) by @tpae
improved settings ux (#1716) by @RaajeevChandran

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.20.9...0.20.10

Download v0.21.0 View on GitHub →

v0.20.9 · June 23, 2026 · released 40 days ago

Osaurus 0.20.9

What's Changed

Add Computer Use regression scorecards (#1648) by @mimeding
QoL improvements (#1655) by @RaajeevChandran
updated chinese translations (#1659) by @ftzahao

🚀 Features

add Korean (ko) localization (#1660) by @tpae

🐛 Bug Fixes

make agent run honor agent temperature (#1678) by @RaajeevChandran
stop wasted iterations on repeated failing capabilities_load calls (#1679) by @RaajeevChandran
persist per tool disable state for MCP provider tools (#1677) by @RaajeevChandran
fixed app hangs (#1672) by @RaajeevChandran

🧰 Maintenance

Surface host-side remote-agent (p2p) activity (#1676) by @tpae
Polish remote agent connect UX (#1657) by @tpae
Harden Bonjour discovery (security, reliability, discoverability) (#1658) by @tpae
unify local and remote agent detail views (#1656) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.20.8...0.20.9

Download v0.20.9 View on GitHub →

v0.20.8 · June 22, 2026 · released 41 days ago

Osaurus 0.20.8

What's Changed

Add Computer Use evidence pack (#1631) by @mimeding
Add Computer Use diagnostics (#1643) by @mimeding
Add Screen Context capture lab (#1644) by @mimeding
show pasted content preview in chat (#1645) by @RaajeevChandran
Add Agent Channel Connection Center (#1616) by @mimeding
updated chinese translations (#1633) by @ftzahao

🚀 Features

Privacy filter: opt-in on-device model, no-regex rule builder, settings polish (#1641) by @tpae
agent db upgrade (#1640) by @tpae

🐛 Bug Fixes

fixed app hangs (#1638) by @RaajeevChandran
Fix Computer Use main-thread hangs (#1634) by @tpae
Fix and harden remote agent (Mode 2) runs (#1636) by @tpae
fix /memory/ingest distillation and harden launch crashes (#1632) (#1635) by @tpae

🧰 Maintenance

disable broken tools (#1650) by @tpae
updated onboarding flow (#1649) by @tpae
make plain-text answers the primary agent-loop exit (#1639) by @tpae
qol improvements (#1637) by @RaajeevChandran

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.20.7...0.20.8

Download v0.20.8 View on GitHub →

v0.20.7 · June 22, 2026 · released 42 days ago

Osaurus 0.20.7

What's Changed

Add Agent Channels with Discord connection (#1606) by @mimeding
Add permission-gated screenshot slash command (#1570) by @mimeding
Add schedule automation history (#1583) by @mimeding
Add shared global proxy controls (#1565) by @mimeding
Add Business Document Studio service (#1557) by @mimeding
Add system prompt injection proof trace (#1527) by @mimeding
Repin vmlx-swift -> 643fde27: Kanana-2-30B-A3B (deepseek_v3) support (#1622) by @jjang-ai
Repin vmlx-swift: L2 disk-cache orphan-row + solo seed-boundary fix (#1619) by @jjang-ai

🚀 Features

add lossless tool-output compressor, per-task context-token telemetry, and real remote completion tokens (#1625) by @tpae

🧰 Maintenance

improved remote agent ux (#1628) by @tpae
Harden Computer Use privacy, autonomy gate, and consent UX (#1627) by @tpae
updated computer use docs (#1626) by @tpae
harden remote agent security and reliability (#1623) by @tpae
improved screen context evals (#1620) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.20.6...0.20.7

Download v0.20.7 View on GitHub →

v0.20.6 · June 21, 2026 · released 43 days ago

Osaurus 0.20.6

What's Changed

Add opt-in frozen screen context for chat (Computer Use) (#1610) by @tpae
updated chinese translations (#1607) by @ftzahao
Repin vmlx-swift → d35c0744: fix non-JANG Qwen3 tool-calling 'unsupported' regression (#1603) by @jjang-ai
Add Provider Connectivity Center (#1558) by @mimeding
Add local model compatibility preflight (#1572) by @mimeding

🐛 Bug Fixes

fixed issue with memory distill failure (#1613) by @tpae
fixed main thread hangs (#1609) by @RaajeevChandran
fixed crash with computer use (#1602) by @tpae

🧰 Maintenance

improved screen context distiller (#1618) by @tpae
updated themes view design (#1617) by @tpae
gemma 4 12b optimization loop (#1614) by @tpae
added additional migration hardening (#1615) by @tpae
Make the Default agent configuration-only in chat (#1611) by @tpae
Stabilize the default configuration agent and fix disappearing custom agents (#1608) by @tpae
evals: optimization loop backbone + W1-W6 harness and local-quality fixes (#1605) by @tpae
fixed issue with relay not showing errors (#1604) by @tpae
improved evals framework (#1601) by @tpae
Make at-rest storage encryption opt-in (plaintext by default, FileVault-gated migration) (#1600) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.20.5...0.20.6

Download v0.20.6 View on GitHub →

v0.20.5 · June 19, 2026 · released 44 days ago

Osaurus 0.20.5

What's Changed

fix app hang render path (#1598) by @RaajeevChandran
Laguna-M.1 + VibeThinker-3B serving: fix Laguna chat garbage (missing-BOS) + drop rep-penalty special-case (#1593) by @jjang-ai
decouple sandbox tools from the agent Tools toggle and compact sandbox prompt sections (#1597) by @RaajeevChandran
updated chinese translations (#1596) by @ftzahao
Add sandbox provisioning diagnostics (#1588) by @mimeding
Add OpenAI-compatible FIM request handling (#1569) by @mimeding
Repin vmlx-swift → 14040d24: Gemma nested-object tool-call argument parse fix (#76) (#1592) by @jjang-ai
Add tool exposure control center (#1581) by @mimeding
Add memory management console (#1582) by @mimeding
Add agent loop eval regression lab (#1585) by @mimeding
Add theme library management center (#1587) by @mimeding
updated chinese translations (#1579) by @ftzahao

🚀 Features

New Feature: Computer Use Subagent (#1578) by @tpae

🐛 Bug Fixes

fixed app hangs (#1595) by @RaajeevChandran
anthropic compaction fix (#1594) by @tpae
disable settings save buttons until there are unsaved changes (#1590) by @RaajeevChandran

🧰 Maintenance

UI polish after fixes (#1599) by @tpae

Full Changelog: https://github.com/osaurus-ai/osaurus/compare/0.20.4...0.20.5

Download v0.20.5 View on GitHub →

v0.20.4 · June 18, 2026 · released 45 days ago

Osaurus 0.20.4

What's Changed

improved tool calls and prefill speed for small local models (#1577) by @RaajeevChandran
Add MCP Server Hub (#1559) by @mimeding
Allow manual provider models during connection tests (#1552) by @mimeding
Route sandbox plugin manifests through global proxy (#1549) by @mimeding
Route sandbox artifact downloads through global proxy (#1548) by @mimeding
Route relay tunnel traffic through global proxy (#1547) by @mimeding
Route remote agent invites through global proxy (#1546) by @mimeding
Route privacy model downloads through global proxy (#1545) by @mimeding
Route router API through global proxy (#1543) by @mimeding
Route theme API through global proxy (#1542) by @mimeding
Route GitHub skill imports through global proxy (#1544) by @mimeding
Route MCP OAuth through global proxy (#1536) by @mimeding
Route markdown image downloads through global proxy (#1550) by @mimeding
updated chinese translations (#1553) by @ftzahao