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v0.6.9

superradcompany/microsandboxv0.6.9Aug 15, 2026by github-actions[bot]

AI Summary

This release introduces significant runtime enhancements, including deployment profiles and flat OCI root disks, alongside improved SDK support for Go, Python, and Ruby. It focuses on network stability, system performance optimizations, and the addition of shell completion commands. Additionally, the update includes dependency upgrades and various documentation improvements.

Key Highlights

  • Added deployment profiles to the runtime environment.
  • Introduced flat OCI root disks for better filesystem management.
  • Exposed insecure/ca-certs registry overrides in Go and Python SDKs.
  • Added shell completion command for the CLI.
  • Released a production-ready Ruby Magnus SDK gem.

Breaking Changes

  • Standardized closed values as enums in the Python SDK (breaking change).

New Features

  • Added deployment profiles to the runtime.
  • Added flat OCI root disks.
  • Exposed insecure/ca-certs registry overrides in Go and Python SDKs.
  • Added shell completion command for CLI.
  • Exposed active backend context in SDKs.
  • Supported cloud default volume files.
  • Added explicit default workload execution.
  • Exposed root disk resizing across bindings.
  • Released production-ready Ruby Magnus SDK gem.
  • Added support for AttachWith in Go SDK for non-default guest users.
  • Integrated measured host optimization stack in runtime.
  • Shared writeback pressure live between components.

Full Release Notes

## What's Changed
* sync mintlify to v0.6.7 by @github-actions[bot] in https://github.com/superradcompany/microsandbox/pull/1207
* Changelog: week of July 24, 2026 by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1216
* Apply brand tone and writing style fixes by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1221
* Apply brand tone and writing style fixes by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1223
* Apply brand tone and writing style fixes by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1224
* chore(docs): add SDK snippets to tuning guide by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1135
* chore: refresh npm lockfile after v0.6.8 by @github-actions[bot] in https://github.com/superradcompany/microsandbox/pull/1240
* sync mintlify to v0.6.8 by @github-actions[bot] in https://github.com/superradcompany/microsandbox/pull/1239
* Apply brand tone and writing style fixes by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1241
* docs(sdk/python): document labels, ephemeral, and on_secret_violation create kwargs; fix ViolationPolicy parsing by @ya-luotao in https://github.com/superradcompany/microsandbox/pull/1175
* chore(deps): replace rustls-pemfile with rustls-pki-types by @nuri-yoo in https://github.com/superradcompany/microsandbox/pull/1228
* feat(sdk): expose insecure/ca-certs registry overrides in Go and Python by @ya-luotao in https://github.com/superradcompany/microsandbox/pull/1247
* fix(network): fail over to subsequent DNS upstreams by @MannXo in https://github.com/superradcompany/microsandbox/pull/1243
* feat(cli): add msb completion command for shell completion scripts by @ya-luotao in https://github.com/superradcompany/microsandbox/pull/1245
* fix(network): propagate guest TCP half-close to proxy tasks by @brandonduff in https://github.com/superradcompany/microsandbox/pull/1181
* docs(sdk): remove stale reference overviews by @appcypher in https://github.com/superradcompany/microsandbox/pull/1256
* fix(network): handle additional half-close races by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1255
* chore(deps): upgrade sea-orm to 2.0 and sqlx to 0.9 by @connyay in https://github.com/superradcompany/microsandbox/pull/1257
* Changelog: week of July 31, 2026 by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1260
* docs: make the docs cloud-native by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1262
* docs(changelog): group entries by month by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1263
* Fix typos and grammar by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1264
* Apply brand tone and writing style fixes by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1265
* feat(sdk/go): support AttachWith for non-default guest users by @IIITManjeet in https://github.com/superradcompany/microsandbox/pull/1252
* chore(deps): Bump the "dependencies" group with 2 updates across multiple ecosystems by @dependabot[bot] in https://github.com/superradcompany/microsandbox/pull/1242
* chore(deps): Bump russh from 0.62.4 to 0.62.5 in the cargo group across 1 directory by @dependabot[bot] in https://github.com/superradcompany/microsandbox/pull/1270
* test(network): bound invalid-host secret test exec by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1273
* feat(runtime): add deployment profiles by @appcypher in https://github.com/superradcompany/microsandbox/pull/1248
* fix(sdk): close cloud compatibility gaps by @appcypher in https://github.com/superradcompany/microsandbox/pull/1249
* docs(sdk): remove stale reference overviews by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1275
* Fix typos and grammar by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1279
* fix(sdk): trust system CAs for cloud agent WSS by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1271
* Apply brand tone and writing style fixes by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1280
* Fix typos and grammar by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1281
* feat(sdk/python)!: standardize closed values as enums by @appcypher in https://github.com/superradcompany/microsandbox/pull/1251
* fix(self): defer Windows release swaps until process exit by @appcypher in https://github.com/superradcompany/microsandbox/pull/1274
* fix(sdk): require explicit cloud backend selection by @appcypher in https://github.com/superradcompany/microsandbox/pull/1259
* feat(rootfs): add flat OCI root disks by @appcypher in https://github.com/superradcompany/microsandbox/pull/1261
* feat(sdk): support cloud default volume files by @appcypher in https://github.com/superradcompany/microsandbox/pull/1272
* fix(agentd): centralize child process reaping by @crpboy in https://github.com/superradcompany/microsandbox/pull/1212
* feat(sdk): expose active backend context by @appcypher in https://github.com/superradcompany/microsandbox/pull/1250
* fix(windows/fs): skip flush for read-only handles (spurious EACCES on close) by @lyb2320 in https://github.com/superradcompany/microsandbox/pull/1214
* feat(sdk): expose root disk resizing across bindings by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1289
* feat(filesystem): allow staged agentd in offline builds by @georgrybski in https://github.com/superradcompany/microsandbox/pull/1269
* feat(ruby): add production-ready Magnus SDK gem by @tobi in https://github.com/superradcompany/microsandbox/pull/1283
* chore(deps): Bump the "dependencies" group with 2 updates across multiple ecosystems by @dependabot[bot] in https://github.com/superradcompany/microsandbox/pull/1285
* fix(metrics): drop stale sandbox gauge series by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1291
* chore(deps-dev): Bump js-yaml from 4.2.0 to 4.3.1 in /sdk/node-ts in the npm_and_yarn group across 1 directory by @dependabot[bot] in https://github.com/superradcompany/microsandbox/pull/1294
* fix(image): preserve OCI config labels in inspection by @lirazsiri in https://github.com/superradcompany/microsandbox/pull/1277
* feat(sdk): add explicit default workload execution by @appcypher in https://github.com/superradcompany/microsandbox/pull/1298
* perf(runtime): integrate measured host optimization stack by @appcypher in https://github.com/superradcompany/microsandbox/pull/1284
* Changelog: week of August 7, 2026 by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1299
* fix(cli): parse dns network rules in release builds by @appcypher in https://github.com/superradcompany/microsandbox/pull/1302
* feat(runtime): share writeback pressure live by @appcypher in https://github.com/superradcompany/microsandbox/pull/1301
* fix(network): preserve backpressured published-port data by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1307
* fix(image): load nested OCI image indexes by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1308
* fix(sandbox): keep label projection consistent by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1309
* fix(go): use alternate signal stack on macOS by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1310
* docs(sdk): streamline reference pages by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1315
* Apply brand tone and writing style fixes by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1317
* Fix typos and grammar by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1318
* docs(sdk): streamline reference pages by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1316
* fix(sandbox): unify secret placeholder defaults by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1313
* docs: clarify SDK lifecycle and CLI setup guidance by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1319
* Apply brand tone and writing style fixes by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1321
* Fix typos and grammar by @mintlify[bot] in https://github.com/superradcompany/microsandbox/pull/1322
* feat(config): configure deployment profile from config.json by @appcypher in https://github.com/superradcompany/microsandbox/pull/1323
* feat(runtime): add scoped sockets and host vsock routes by @appcypher in https://github.com/superradcompany/microsandbox/pull/1297
* feat(sdk): add sparse sandbox configuration patches by @appcypher in https://github.com/superradcompany/microsandbox/pull/1303
* feat(runtime): add NUMA-aware placement profiles by @appcypher in https://github.com/superradcompany/microsandbox/pull/1324
* fix(types): keep host policy out of cloud resources by @appcypher in https://github.com/superradcompany/microsandbox/pull/1329
* chore(deps): Bump the "dependencies" group with 2 updates across multiple ecosystems by @dependabot[bot] in https://github.com/superradcompany/microsandbox/pull/1333
* docs(networking): group vsock SDK examples in tabs by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1342
* feat(runtime): degrade placement under pressure by @appcypher in https://github.com/superradcompany/microsandbox/pull/1337
* fix(image): preserve long link targets in saved archives by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1320
* feat(network): add per-sandbox egress and ingress rate limits by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1282
* chore(ci): parallelize and accelerate integration workflows by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1314
* fix(snapshot): make payload integrity opt-in by @appcypher in https://github.com/superradcompany/microsandbox/pull/1346
* fix(ci): harden pull request runners and caches by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1347
* docs(sdk): normalize reference type hierarchy by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/1343
* docs(docker): add flat root setup by @appcypher in https://github.com/superradcompany/microsandbox/pull/1348
* chore(release): bump microsandbox to 0.6.9 by @appcypher in https://github.com/superradcompany/microsandbox/pull/1267

## New Contributors
* @MannXo made their first contribution in https://github.com/superradcompany/microsandbox/pull/1243
* @brandonduff made their first contribution in https://github.com/superradcompany/microsandbox/pull/1181
* @connyay made their first contribution in https://github.com/superradcompany/microsandbox/pull/1257
* @IIITManjeet made their first contribution in https://github.com/superradcompany/microsandbox/pull/1252
* @crpboy made their first contribution in https://github.com/superradcompany/microsandbox/pull/1212
* @georgrybski made their first contribution in https://github.com/superradcompany/microsandbox/pull/1269
* @tobi made their first contribution in https://github.com/superradcompany/microsandbox/pull/1283
* @lirazsiri made their first contribution in https://github.com/superradcompany/microsandbox/pull/1277

**Full Changelog**: https://github.com/superradcompany/microsandbox/compare/v0.6.8...v0.6.9