Mistle

v0.25.0 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 6d AI Agents & Assistants

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Affected surfaces

auth

Summary

AI summary

Updates Tests, 0.25.0] - 2026-05-28, and Bug Fixes across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Feature
Feature	Low	Adds oauth cli login capability Adds oauth cli login capability Source: llm_adapter@2026-05-28 Confidence: high	—
Feature	Low	Adds sandbox lifecycle status surface Adds sandbox lifecycle status surface Source: llm_adapter@2026-05-28 Confidence: high	—
Feature	Low	Refines sandbox start and resume lifecycle handling Refines sandbox start and resume lifecycle handling Source: llm_adapter@2026-05-28 Confidence: high	—
Feature	Low	Persists reconnecting lifecycle state on bootstrap changes Persists reconnecting lifecycle state on bootstrap changes Source: llm_adapter@2026-05-28 Confidence: high	—
Feature	Low	Marks sandbox stopping during stop reconciliation phase Marks sandbox stopping during stop reconciliation phase Source: llm_adapter@2026-05-28 Confidence: high	—
Feature	Low	Handles expanded sandbox delivery status enumerations Handles expanded sandbox delivery status enumerations Source: llm_adapter@2026-05-28 Confidence: high	—
Feature	Low	Polishes sandbox status observability and reporting Polishes sandbox status observability and reporting Source: llm_adapter@2026-05-28 Confidence: high	—
Bugfix
Bugfix	Medium	Routes port access through bootstrap owner for correct permission handling Routes port access through bootstrap owner for correct permission handling Source: llm_adapter@2026-05-28 Confidence: high	—
Bugfix	Medium	Instruments NATS relay publish failure events for monitoring Instruments NATS relay publish failure events for monitoring Source: llm_adapter@2026-05-28 Confidence: high	—
Bugfix	Medium	Chunks oversized NATS relay frames to prevent transmission errors Chunks oversized NATS relay frames to prevent transmission errors Source: llm_adapter@2026-05-28 Confidence: high	—
Bugfix	Low	Supports TensorLake scheduled snapshot refresh Supports TensorLake scheduled snapshot refresh Source: granite4.1:30b@2026-05-28-audit Confidence: low	—
Bugfix	Low	Guards chat diff rendering against errors Guards chat diff rendering against errors Source: granite4.1:30b@2026-05-28-audit Confidence: low	—
Bugfix	Low	Allows starting sandbox status before provider allocation Allows starting sandbox status before provider allocation Source: granite4.1:30b@2026-05-28-audit Confidence: low	—
Bugfix	Low	Accepts all sandbox statuses in runtime plan cache Accepts all sandbox statuses in runtime plan cache Source: granite4.1:30b@2026-05-28-audit Confidence: low	—
Bugfix	Low	Uses user stop for session sandbox stops Uses user stop for session sandbox stops Source: granite4.1:30b@2026-05-28-audit Confidence: low	—

Full changelog

[0.25.0] - 2026-05-28

Features

Add oauth cli login (#2437)
Add sandbox lifecycle status surface
Refine sandbox start and resume lifecycle
Persist reconnecting lifecycle on bootstrap changes
Mark sandbox stopping during stop reconciliation
Handle expanded sandbox delivery statuses
Polish sandbox status observability

Bug Fixes

Route port access through bootstrap owner (#2490)
Instrument nats relay publish failures (#2497)
Chunk oversized nats relay frames (#2498)
Support tensorlake scheduled snapshot refresh (#2500)
Guard chat diff rendering (#2501)
Allow starting sandbox status before provider allocation (#2524)
Accept all sandbox statuses in runtime plan cache (#2525)
Use user stop for session sandbox stops (#2526)

Tests

Run vite port access providers concurrently (#2489)
Expand nats relay coverage (#2499)
Route runtime github webhooks by marker (#2502)
Split system harness setup timing (#2503)
Batch Vite fixture staging (#2504)
Prewarm runtime system shared infra (#2505)
Prewarm runtime system harness setup (#2506)
Instrument sandbox base image prewarm (#2510)
Summarize runtime system timings (#2515)
Fix runtime timing hook fixture signature (#2516)
Upload runtime system timing artifacts (#2518)
Fix runtime timing artifact path (#2519)
Parallelize vite system test asset requests (#2520)
Bake vite fixture into system sandbox image (#2521)

CI

Cache runtime system sandbox registry (#2513)

Chores

Update agent runtime versions (#2517)
Update nix agent runtime pins (#2527)
(release) V0.25.0 (#2528)

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