v0.20.0

0.20.0 (2026-05-18)

Full Changelog: v0.19.0...v0.20.0

Features

• Add instance health checks (6335d0e)
• Add instance restart policy (cfdcca8)
• client: optimize json encoder for internal types (d8bd64d)
• Model template as an instance state instead of a separate registry (8ea492b)
• Revert template state model (537a689)

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v0.19.0

0.19.0 (2026-05-12)

Full Changelog: v0.18.0...v0.19.0

Features

• go: add default http client with timeout (4562f58)
• support setting headers via env (3b6d6cd)
• Track per-phase duration on each instance (312c26f)

Bug Fixes

• go: avoid panic when http.DefaultTransport is wrapped (90abdb2)

Chores

• avoid embedding reflect.Type for dead code elimination (768a2a1)
• internal: more robust bootstrap script (53ef042)
• redact api-key headers in debug logs (0f70339)

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v0.18.0

0.18.0 (2026-04-17)

Full Changelog: v0.17.0...v0.18.0

Features

• Add standby compression start delay (bf58116)

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v0.17.0

0.17.0 (2026-04-07)

Full Changelog: v0.16.0...v0.17.0

Features

• Add Linux auto-standby controller and E2E coverage (211a8a5)
• Add scheduled instance snapshots with retention cleanup (f0d4d52)
• Add waitForState endpoint for blocking state transitions (d6cea17)
• internal: support comma format in multipart form encoding (e6abba9)

Bug Fixes

• fix issue with unmarshaling in some cases (1d74ffd)
• prevent duplicate ? in query params (6bc4417)

Chores

• ci: skip lint on metadata-only changes (e3c8b1f)
• ci: support opting out of skipping builds on metadata-only commits (c5320fd)
• client: fix multipart serialisation of Default() fields (0abcf13)
• internal: support default value struct tag (e9226b4)
• internal: update gitignore (3dbe64e)
• remove unnecessary error check for url parsing (cd07c8f)
• update docs for api:"required" (45f88d9)

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v0.16.0

0.16.0 (2026-03-23)

Full Changelog: v0.15.0...v0.16.0

Features

• add active ballooning reclaim controller (b8ecb54)
• Add always-on /metrics endpoint with dual pull/push telemetry (0b3751a)
• Add optional snapshot compression defaults and standby integration (b6d9ab3)
• add optional VM egress MITM proxy with mock-secret header rewriting (e8b721c)
• Add strict metadata tags across mutable resources (8b5543e)
• Rename tag fields from metadata to tags (2f8e29e)
• Snapshot (c4a0fbb)
• support updating egress proxy secret envs for key rotation (96b3209)

Chores

• ci: skip uploading artifacts on stainless-internal branches (0d9d654)
• internal: codegen related update (e6a6702)
• internal: minor cleanup (1917d6d)
• internal: tweak CI branches (6dc7e68)
• internal: use explicit returns (923db74)
• internal: use explicit returns in more places (16131b8)
• update placeholder string (bea84ac)

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v0.15.0

0.15.0 (2026-03-04)

Full Changelog: v0.14.0...v0.15.0

Features

• Add fork operation to stainless config (5ab52b7)

Chores

• internal: codegen related update (83363a5)

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v0.14.0

0.14.0 (2026-03-02)

Full Changelog: v0.13.0...v0.14.0

Features

• Add cloud hypervisor VM forking helpers (bfac548)
• add Firecracker hypervisor support (251f4b9)

Chores

• stainless: update SDKs for PR #116 (560f851)

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v0.13.0

0.13.0 (2026-02-26)

Full Changelog: v0.12.0...v0.13.0

Features

• wire up memory_mb and cpus in builds API (ed09f5a)

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v0.12.0

0.12.0 (2026-02-26)

Full Changelog: v0.11.0...v0.12.0

Features

• add metadata and state filtering to GET /instances (8149c9f)
• Disable default hotplug memory allocation (4c65d5c)

Bug Fixes

• allow canceling a request while it is waiting to retry (daa2281)
• send query params for NewFromArchive (a8c45a6)

Chores

• internal: move custom custom json tags to api (d04f6ed)
• internal: remove mock server code (b511676)
• update mock server docs (d2ae478)

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v0.11.1

Merge pull request #27 from kernel/fix/new-from-archive-query-params

fix: send query params for NewFromArchive