Juju Files

The Juju team is proud to release Juju 4.0.12!

This is a point release to the stable 4.0 series of Juju.

Checkout the Juju 4.0.12 Release Notes

What's Changed

• docs: set up multi-version sitemaps by @tmihoc in https://github.com/juju/juju/pull/22298
• chore: increment juju to 2.9.59 by @jujubot in https://github.com/juju/juju/pull/22328
• docs: add 2.9.58 release notes by @wallyworld in https://github.com/juju/juju/pull/22338
• chore: increment juju to 2.9.60 by @jujubot in https://github.com/juju/juju/pull/22370
• docs: add 2.9.59 release notes by @wallyworld in https://github.com/juju/juju/pull/22379
• docs: update binary download links from Launchpad to GitHub releases by @tmihoc in https://github.com/juju/juju/pull/22443
• build(docs): align 2.9 doc infrastructure with 3.6 by @tmihoc in https://github.com/juju/juju/pull/22448
• chore(deps): bump golang.org/x/crypto from 0.50.0 to 0.51.0 by @dependabot[bot] in https://github.com/juju/juju/pull/22420
• chore(deps): bump golang.org/x/mod from 0.35.0 to 0.36.0 by @dependabot[bot] in https://github.com/juju/juju/pull/22421
• chore(deps): bump golang.org/x/net from 0.53.0 to 0.54.0 by @dependabot[bot] in https://github.com/juju/juju/pull/22422
• docs: clarify secret uri, name, label by @tmihoc in https://github.com/juju/juju/pull/21689
• docs: add 3.6.23 release notes by @wallyworld in https://github.com/juju/juju/pull/22462
• chore(deps): bump golang.org/x/tools from 0.44.0 to 0.45.0 by @dependabot[bot] in https://github.com/juju/juju/pull/22463
• chore(deps): bump golang.org/x/sys from 0.44.0 to 0.45.0 by @dependabot[bot] in https://github.com/juju/juju/pull/22474
• chore(deps): bump golang.org/x/net from 0.54.0 to 0.55.0 by @dependabot[bot] in https://github.com/juju/juju/pull/22483
• chore(deps): bump golang.org/x/crypto from 0.51.0 to 0.52.0 by @dependabot[bot] in https://github.com/juju/juju/pull/22484
• feat(maas): support explicit VM provisioning via virtual-machine virt-type by @wallyworld in https://github.com/juju/juju/pull/22285
• fix: change how k8s unit churn is detected to avoid incorrect status by @wallyworld in https://github.com/juju/juju/pull/22498
• fix: do not drop root disk constraints when custom networking by @skatsaounis in https://github.com/juju/juju/pull/22473
• chore(deps-dev): bump pytest from 8.4.1 to 9.0.3 in /testcharms/charms/credential-get-k8s by @dependabot[bot] in https://github.com/juju/juju/pull/22231
• chore(deps): bump requests from 2.32.5 to 2.33.0 in /testcharms/charms/credential-get-k8s by @dependabot[bot] in https://github.com/juju/juju/pull/22147
• chore(deps): bump pygments from 2.19.2 to 2.20.0 in /testcharms/charms/credential-get-k8s by @dependabot[bot] in https://github.com/juju/juju/pull/22142
• chore(deps): bump pyasn1 from 0.6.1 to 0.6.3 in /testcharms/charms/credential-get-k8s by @dependabot[bot] in https://github.com/juju/juju/pull/22039
• chore(deps): bump urllib3 from 2.5.0 to 2.6.3 in /testcharms/charms/credential-get-k8s by @dependabot[bot] in https://github.com/juju/juju/pull/21837
• fix: properly handle legacy k8s modeloperator labels by @wallyworld in https://github.com/juju/juju/pull/22510
• fix(apiclient proxy): fix apiclient http transport proxy by @SimoneDutto in https://github.com/juju/juju/pull/22507
• fix(status): restore k8s application address in status by @jack-w-shaw in https://github.com/juju/juju/pull/22459
• fix: wait for workerpool to become idle by @iyiguncevik in https://github.com/juju/juju/pull/22494
• chore: increment juju to 4.0.12 by @jujubot in https://github.com/juju/juju/pull/22508
• Fix snap configure hook in 3.6 by @TheJJ in https://github.com/juju/juju/pull/22495
• feat(uniter): move secret deletions into CommitHookChanges transaction by @gfouillet in https://github.com/juju/juju/pull/22465
• fix: presence status reporting for container placement by @nvinuesa in https://github.com/juju/juju/pull/22519
• fix(credential): validate auth type against cloud on CheckCredentialModels by @iyiguncevik in https://github.com/juju/juju/pull/22512
• fix: ensure external controller addresses are always migrated by @wallyworld in https://github.com/juju/juju/pull/22518
• docs: update the peer relation hook doc by @wallyworld in https://github.com/juju/juju/pull/22525
• feat: httpclient metrics by @SimonRichardson in https://github.com/juju/juju/pull/22535
• feat: migration export/import ddl by @nvinuesa in https://github.com/juju/juju/pull/22391
• feat: consistently show offer connections by @kian99 in https://github.com/juju/juju/pull/22541
• feat: add missing indexes and PKs by @manadart in https://github.com/juju/juju/pull/22502
• chore: merge 2.9 by @wallyworld in https://github.com/juju/juju/pull/22536
• fix: include trailing / in oci repo paths when needed by @wallyworld in https://github.com/juju/juju/pull/22554
• docs: add UUID generation rule to AGENTS.md by @nvinuesa in https://github.com/juju/juju/pull/22446
• chore: remove some LXD profile funcitonality by @manadart in https://github.com/juju/juju/pull/22548
• fix: handle slow upload of k8s oci image metadata by @wallyworld in https://github.com/juju/juju/pull/22553
• docs(releasenotes): add juju 4.0.11 release notes by @anvial in https://github.com/juju/juju/pull/22542
• test: avoid introspection shutdown log race by @iyiguncevik in https://github.com/juju/juju/pull/22528
• fix(deps): bump Go 1.26.4 to resolve govulncheck failures by @gfouillet in https://github.com/juju/juju/pull/22561
• fix: transaction retry issues by @SimonRichardson in https://github.com/juju/juju/pull/22562
• fix(unmanaged): implement Schema() to satisfy ModelConfigProvider interface by @gfouillet in https://github.com/juju/juju/pull/22514
• fix: token transport for bearer token auth had a typo by @wallyworld in https://github.com/juju/juju/pull/22569
• chore: merge 2.9 by @wallyworld in https://github.com/juju/juju/pull/22556
• fix(cmr): offerer relations watcher initial query by @nvinuesa in https://github.com/juju/juju/pull/22566
• fix(unitstate): prevent panic when charm state is empty at commit time by @gfouillet in https://github.com/juju/juju/pull/22531
• fix(deployer): gate deployer on controlleragentconfig socket readiness by @gfouillet in https://github.com/juju/juju/pull/22515
• fix: flakey client test by @jack-w-shaw in https://github.com/juju/juju/pull/22506
• JUJU-9033: Move secret grant/revoke into CommitHookChanges txn by @gfouillet in https://github.com/juju/juju/pull/22544
• feat(modelmigration): implement source-side domain service and state by @nvinuesa in https://github.com/juju/juju/pull/22555
• feat(static-analysis): add check to guard against dodgy txn retries by @jack-w-shaw in https://github.com/juju/juju/pull/22564
• feat(modelmigration): implement model migration domain watchers by @nvinuesa in https://github.com/juju/juju/pull/22559
• feat: re-enable migrate check by @jack-w-shaw in https://github.com/juju/juju/pull/22581
• feat: compatibility shim for ModelUpgrader facade by @manadart in https://github.com/juju/juju/pull/22488
• fix: add model tag to JWT AuthInfo by @kian99 in https://github.com/juju/juju/pull/22598
• fix: use the model's project when checking LXD version on upgrade by @nvinuesa in https://github.com/juju/juju/pull/22591
• feat: handle logsink 503 failure by @SimonRichardson in https://github.com/juju/juju/pull/22590
• chore: remove unused types by @jack-w-shaw in https://github.com/juju/juju/pull/22603
• refactor: smoke matrix tests by @SimonRichardson in https://github.com/juju/juju/pull/22608
• fix(externalcontrollerupdater): close watcher client on shutdown race by @nvinuesa in https://github.com/juju/juju/pull/22607
• chore: merge 2.9 by @wallyworld in https://github.com/juju/juju/pull/22609
• feat(migration): add serialized model v2 export contract by @nvinuesa in https://github.com/juju/juju/pull/22601
• feat(uniter): move track-latest-secret into CommitHookChanges transaction by @gfouillet in https://github.com/juju/juju/pull/22580
• fix(migration): import application storage directives by @jack-w-shaw in https://github.com/juju/juju/pull/22615
• fix: when upgrading, allow for the controller app to be missing by @wallyworld in https://github.com/juju/juju/pull/22622
• chore: update premerge workflows by @wallyworld in https://github.com/juju/juju/pull/22623
• test!: refactor juju to use canonical/gomock by @hpidcock in https://github.com/juju/juju/pull/22449
• feat: support adding manual clouds to a controller by @wallyworld in https://github.com/juju/juju/pull/22570
• feat(resource): add model migration export listing by @nvinuesa in https://github.com/juju/juju/pull/22613
• feat: add ModelConfigSchema method to Cloud by @SimoneDutto in https://github.com/juju/juju/pull/22600
• refactor: drop custom pprof handlers by @SimonRichardson in https://github.com/juju/juju/pull/22619
• docs: expand the documentation for the implicit juju-info relation by @tonyandrewmeyer in https://github.com/juju/juju/pull/22373
• fix: guard against cloud init overwriting agent.conf on reboot by @wallyworld in https://github.com/juju/juju/pull/22632
• fix(deps): eliminate github.com/juju/utils/v3 indirect dependency (GO-2025-3798) by @gfouillet in https://github.com/juju/juju/pull/22582
• fix: 3.6 → 4.0 migration fails due to missing subnet (JUJU-9647) by @gfouillet in https://github.com/juju/juju/pull/22605
• feat(modelmigration): add controller export helpers by @nvinuesa in https://github.com/juju/juju/pull/22614
• fix: db repl by @SimonRichardson in https://github.com/juju/juju/pull/22635
• feat: include workload version in history logging by @manadart in https://github.com/juju/juju/pull/22648
• fix(ci): use branch-built operator image in upgrade smoke by @iyiguncevik in https://github.com/juju/juju/pull/22640
• refactor: wire the migration master worker with the modelmigration domain by @nvinuesa in https://github.com/juju/juju/pull/22636
• test: goroutine leak profile by @SimonRichardson in https://github.com/juju/juju/pull/22618
• Docs migrate 36 by @tmihoc in https://github.com/juju/juju/pull/22644
• feat: tla+ spec for object store state machine by @SimonRichardson in https://github.com/juju/juju/pull/22530
• fix: correct JOIN condition in secret content deletion queries by @gfouillet in https://github.com/juju/juju/pull/22656
• Docs migrate 40 by @tmihoc in https://github.com/juju/juju/pull/22645
• chore: increment juju to 3.6.25 by @jujubot in https://github.com/juju/juju/pull/22633
• chore: pin github actions to specific shas by @wallyworld in https://github.com/juju/juju/pull/22631
• feat(modelmigration): wire SourceControllerInfo through domain service by @nvinuesa in https://github.com/juju/juju/pull/22653
• feat: prevent 4.0 -> 4.0 migrations by @nvinuesa in https://github.com/juju/juju/pull/22659
• feat: limit size of charm config and relation settings by @manadart in https://github.com/juju/juju/pull/22664
• fix: ensure Dqlite clients are closed by @manadart in https://github.com/juju/juju/pull/22672
• feat: move secret updates into CommitHookChanges transaction by @gfouillet in https://github.com/juju/juju/pull/22651
• feat(migration): exchange admin password for macaroon during prechecks by @nvinuesa in https://github.com/juju/juju/pull/22675
• docs: add SQL query rules for agents by @nvinuesa in https://github.com/juju/juju/pull/22677
• perf(add-model): add-model in lxd by @SimoneDutto in https://github.com/juju/juju/pull/22657
• chore: merge 3.6 by @wallyworld in https://github.com/juju/juju/pull/22646
• fix: upgrade-controller with --build-agent by @manadart in https://github.com/juju/juju/pull/22689
• fix(snap): add FIDO/U2F security key support for juju ssh by @iyiguncevik in https://github.com/juju/juju/pull/22676
• fix: flaky cmr test by @iyiguncevik in https://github.com/juju/juju/pull/22695
• chore: remove redundant missing test coverage inventories by @manadart in https://github.com/juju/juju/pull/22654
• fix: preserve app constraints without model defaults by @nvinuesa in https://github.com/juju/juju/pull/22703
• refactor: CODEOWNERS to reflect org changes by @SimonRichardson in https://github.com/juju/juju/pull/22705
• fix: use errors.Is to detect reboot/shutdown sentinels in machine agent by @iyiguncevik in https://github.com/juju/juju/pull/22708
• fix(lxd): resolve container NIC bridges from ProviderNetworkId so space subnets are attached again by @nvinuesa in https://github.com/juju/juju/pull/22714
• fix(ci): ci job for conflict notifications by @iyiguncevik in https://github.com/juju/juju/pull/22722
• fix(relation): return remote-app units in ApplicationRelationsInfo for non-peer relations by @gfouillet in https://github.com/juju/juju/pull/22720
• chore: update deps for vuln GO-2026-5224 by @iyiguncevik in https://github.com/juju/juju/pull/22739
• ci: fix mattermost notification channel by @iyiguncevik in https://github.com/juju/juju/pull/22737
• fix: network-get returning empty placeholder device by @jack-w-shaw in https://github.com/juju/juju/pull/22726

New Contributors

• @skatsaounis made their first contribution in https://github.com/juju/juju/pull/22473
• @TheJJ made their first contribution in https://github.com/juju/juju/pull/22495

Full Changelog: https://github.com/juju/juju/compare/v4.0.11...v4.0.12