4.2.0

What's Changed

• test: refactor init-extensions tests to avoid using ops.testing.Context.charm_spec by @james-garner-canonical in #2527
• How to use databases with 12-Factor charms by @alithethird in #2530
• test(26.04): switch to Python 3.14 by @lengau in #2537
• ci: adjust the ty experimental workflow to use beta by @lengau in #2538
• fix: charmcraft templates for flask and django extensions by @arturo-seijas in #2556
• test(spread): enable Ubuntu 25.10 and 26.04 spread runners by @lengau in #2525
• feat: update django extension base to 24.04 by @arturo-seijas in #2555
• docs: note the additionalProperties default value flip in Juju 4.0 by @tonyandrewmeyer in #2531
• feat(templates): remove lib_path placeholder from tox.ini by @dwilding in #2539
• fix: Add gnutls postinstall to macOS build deps by @Copilot in #2508
• fix(templates): in kubernetes unit tests, clarify the mock layer and improve style by @dwilding in #2551
• feat(templates): use base 24.04 for kubernetes and machine profiles by @dwilding in #2522
• feat(templates): add 'assumes' for machine and kubernetes profiles by @dwilding in #2540
• fix(templates): match 'uv add' order of lint fields in pyproject.toml by @dwilding in #2545
• feat: update flask extension base to 24.04 by @arturo-seijas in #2559
• fix(templates): improve explanation of how to manage library dependencies by @dwilding in #2557
• fix: Fix description in webserver-port by @javierdelapuente in #2579
• chore(docs): 12-factor django path fix ISD-5202 by @f-atwi in #2574
• docs: re-enable 'Part properties' by @jahn-junior in #2577
• docs: redo in-page links in 'manage' how-to guides by @activus-d in #2575
• build(deps): update all dependencies by @lengau in #2583
• docs: add Charmcraft 4.2 release notes by @lengau in #2589
• chore: remove comment fences from GitHub templates by @medubelko in #2581
• fix: Update Spring Boot version to 3.5.10 by @javierdelapuente in #2550
• docs: add platform naming rules by @lengau in #2590

New Contributors

• @arturo-seijas made their first contribution in #2556
• @Copilot made their first contribution in #2508
• @f-atwi made their first contribution in #2574
• @activus-d made their first contribution in #2575

Full Changelog: 4.1.0...4.2.0

4.1.0

What's Changed

• refactor: simplify resource option class by @aj4ayushjain in #2419
• chore: add Matrix room to 12-factor YAML templates by @erinecon in #2456
• docs: small tweaks to best practice blocks by @tonyandrewmeyer in #2452
• docs: Incorporate UX feedback into 12-factor tutorials by @erinecon in #2455
• fix: disable rewrite-enabled in nginx for path-route=/ by @javierdelapuente in #2450
• docs: update the extension reference pages for Grafana by @alithethird in #2459
• feat: Add app profiles to Spring Boot by @javierdelapuente in #2458
• build(docs): remove line length check from linter by @medubelko in #2466
• docs: Incorporate UX feedback into 12-factor tutorials by @erinecon in #2463
• feat: add HTTP proxy integration to 12-factor charms by @swetha1654 in #2460
• docs: add related links section to docs homepage by @james-garner-canonical in #2464
• docs: how-to on integrating with S3 by @javierdelapuente in #2469
• docs: update link to public listing review process by @tonyandrewmeyer in #2453
• docs: improve landing pages by @jahn-junior in #2470
• docs: distinguish between Charmhub-hosted libs and Python packages by @james-garner-canonical in #2473
• docs: fix incorrect indentation in YAML snippets by @dwilding in #2475
• feat: enable Ubuntu 25.10 and 26.04 as development bases by @lengau in #2478
• docs: use lists for all links in landing pages by @medubelko in #2476
• build(deps): lock file maintenance (main) by @renovate[bot] in #2474
• docs: add PR template by @jahn-junior in #2488
• docs: revise issue templates by @jahn-junior in #2486
• docs: add targets to 12-factor sections by @erinecon in #2489
• test: loosen invalid charm loading test by @bepri in #2490
• build(deps): update pre-commit hook astral-sh/ruff-pre-commit to v0.14.7 (main) by @renovate[bot] in #2485
• docs: add interim bases policy by @lengau in #2484
• build(deps): update dependencies by @lengau in #2495
• feat: add adoption help at end of init message by @dwilding in #2506
• docs: add Charmcraft 4.1 release notes by @lengau in #2483
• ci: add manual spread label, match other crafts by @bepri in #2487
• fix(spread): update the version of juju used in spread tests by @lengau in #2519
• build(deps): update github actions (main) (major) by @renovate[bot] in #2514
• feat(bases): mark 25.10 as stable and remove 24.10 by @lengau in #2524

New Contributors

• @aj4ayushjain made their first contribution in #2419
• @james-garner-canonical made their first contribution in #2464

Full Changelog: 4.0.0...4.1.0

2.7.6

What's Changed

• Bug fixes and performance improvements

Full Changelog: 2.7.5...2.7.6

4.0.1

What's Changed

• fix(snap): workaround for snapcraft/craft-application bug by @lengau in #2465

Full Changelog: 4.0.0...4.0.1

4.0.0

What's Changed

• ci: use Ubuntu latest for schema diff by @lengau in #2308
• build(deps): update pre-commit hook astral-sh/ruff-pre-commit to v0.11.12 (main) by @renovate[bot] in #2285
• chore: merge 3.5.1 to main by @lengau in #2317
• feat!: drop Windows support by @lengau in #2307
• feat: add plucky and questing as devel bases by @lengau in #2321
• build(docs): add sphinx sitemap by @jahn-junior in #2323
• docs: add edit button by @jahn-junior in #2322
• docs: fix some links by @medubelko in #2327
• chore: fix typo in bug template by @medubelko in #2319
• fix(templates): fix layer in K8s template unit test by @dwilding in #2309
• chore: merge 3.5.1 to main by @lengau in #2330
• chore: add charm-tech as template owners by @lengau in #2289
• chore(CODEOWNERS): add Erin to tutorials by @lengau in #2191
• feat(templates)!: replace simple profile by kubernetes by @dwilding in #2295
• build(deps): update github actions (main) (major) by @renovate[bot] in #2290
• docs: fix technical issues in go and fastapi tutorials by @alithethird in #2343
• ci: remove release drafter workflow by @lengau in #2331
• docs: add structure to 12-factor reference pages by @erinecon in #2345
• docs: update 12-factor how-to guide on async apps by @erinecon in #2352
• docs: Incorporate UX feedback into 12-factor tutorials by @erinecon in #2354
• Charmcraft Go tutorial: Add structure to sections by @preethys26 in #2339
• docs: replace google for ci and fix tests by @javierdelapuente in #2338
• docs: update CONTRIBUTING.md by @medubelko in #2353
• docs: fix broken link to Juju docs in template CONTRIBUTING.md by @tonyandrewmeyer in #2350
• fix(templates): update out-of-date parts in template README files by @dwilding in #2351
• chore: merge 3.5.2 to main by @lengau in #2359
• build(deps): update pre-commit hook adrienverge/yamllint to v1.37.1 (main) by @renovate[bot] in #2355
• Feat/expressjs extension by @alithethird in #2244
• feat(templates): use uv for testing and packing kubernetes and machine charms by @dwilding in #2312
• docs(tutorial/django): add note about unapplied migrations warning by @ade555 in #2346
• ci: be more selective about when we run expensive tests by @lengau in #2334
• build(deps): update dependency types-requests (main) by @renovate[bot] in #2342
• docs: Update 12-factor initialization how-to guide by @erinecon in #2368
• build(deps): update actions/setup-go action to v5 (main) by @renovate[bot] in #2366
• style: update to ruff 0.12 by @lengau in #2383
• chore: upgrade to craft-application 5 by @lengau in #2360
• feat!: remove CentOS 7 support by @lengau in #2386
• fix: install system packages when running make setup by @jahn-junior in #2392
• docs: list correct grafana charm as consumer of snap lib charm by @marcusboden in #2391
• test(spread): per-base destructive mode tests by @lengau in #2379
• feat!(create-track): make name and track named-args by @lengau in #2395
• docs: update CONTRIBUTING.md by @jahn-junior in #2382
• feat!(test): switch from the custom test command to upstream by @lengau in #2385
• docs: update CONTRIBUTING.md by @jahn-junior in #2404
• feat(test): add testing profiles for init command by @lengau in #2401
• docs: Incorporate UX feedback into 12-factor tutorials by @erinecon in #2387
• Docs: Update migrate.sh documentation by @alithethird in #2389
• feat(extension): add Spring Boot extension by @javierdelapuente in #2337
• build(deps): update dependency sphinx-toolbox to v4 (main) by @renovate[bot] in #2393
• fix: correct the permission command for craft-state by @dimaqq in #2403
• build(deps): update bugfixes (main) by @renovate[bot] in #2408
• docs: enable Google Analytics by @jahn-junior in #2407
• docs: switch to ubuntu.com domain by @jahn-junior in #2406
• docs: add express to tutorials index by @M7mdisk in #2411
• feat: merge the 'static' tox environment into the 'lint' one by @tonyandrewmeyer in #2405
• build(deps): update github actions to v5 (main) (major) by @renovate[bot] in #2409
• chore: merge 3.5.3 to main by @lengau in #2415
• fix(test): fix lifecycle spread tests for tox-uv by @lengau in #2416
• fix: fix a series of breaking spread tests by @lengau in #2417
• feat(snap): migrate the snap to core24 by @lengau in #2412
• ci: update jira sync config by @mr-cal in #2420
• build(deps): update pre-commit hook pre-commit/pre-commit-hooks to v6 (main) by @renovate[bot] in #2421
• ci: add experimental workflow using ty for type checking by @lengau in #2370
• docs: clarify how to use the uv plugin by @dwilding in #2413
• build(snap): enable internal plugins by @lengau in #2418
• fix(test): fix the reactive charm spread test by @lengau in #2426
• fix(lifecycle): fix --project-dir and --output by @lengau in #2427
• docs: Incorporate UX feedback into 12-factor tutorials by @erinecon in #2425
• feat: Add OpenID Connect integration to 12 Factor by @javierdelapuente in #2373
• docs: remove command output example by @bepri in #2432
• fix(Project): be stricter about field names by @lengau in #2433
• feat(templates): use Jubilant for integration tests of K8s and machine profiles by @dwilding in #2430
• chore: fix ruff warnings from test files by @lengau in #2442
• ci: check charms generated by charmcraft init by @dwilding in #2436
• docs: align Flask tutorial structure with Django tutorial by @faisalatif in #2440
• docs: expand on channel creation and closure by @beliaev-maksim in #2438
• build(deps): update dependencies for 4.0.0 by @lengau in #2441
• chore: clean up unused/unnecessary files by @lengau in #2444
• build(deps): lock file maintenance (main) by @renovate[bot] in #2410
• docs: release notes for Charmcraft 4.0 by @lengau in #2306
• fix: align oidc redirect-uri to Spring Boot defaults by @javierdelapuente in #2447
• docs: Add how to for workers/schedulers by @javierdelapuente in #2448
• docs: Incorporate UX feedback into 12-factor tutorials by @erinecon in #2445

New Contributors

• @preethys26 made their first contribution in #2339
• @ade555 made their first contribution in #2346
• @marcusboden made their first contribution in #2391
• @M7mdisk made their first contribution in #2411
• @beliaev-maksim made thei...

3.5.3

What's Changed

• docs: correct env vars for flask secrets by @javierdelapuente in #2329
• docs: add 'about this documentation' by @medubelko in #2377
• docs: copy note from Juju docs, tidy up container structure doc by @tonyandrewmeyer in #2384
• fix: correct the container name in the 'simple' profile by @tonyandrewmeyer in #2394
• docs: rename 'about this doc' → 'contribute to this doc' by @medubelko in #2400
• chore: bugfixes to release 3.5.3 by @lengau in #2398
• docs: add how-to to configure HTTPS for 12-factor by @javierdelapuente in #2381
• chore: Release 3.5.3 by @lengau in #2414

Full Changelog: 3.5.2...3.5.3

3.5.2

What's Changed

• docs: Update 12-factor how-to landing page by @erinecon in #2326
• docs: fix tree in init command docstring by @medubelko in #2347
• docs: align FastAPI tutorial structure with Django tutorial by @faisalatif in #2287
• fix: correct the error message with skopeo errors. by @lengau in #2349

New Contributors

• @faisalatif made their first contribution in #2287

Full Changelog: 3.5.1...3.5.2

3.5.1

What's Changed

• build(deps): update rust toolchain and pydantic by @lengau in #2310
• docs(templates): list all 12-factor profiles in init help by @dwilding in #2311
• docs: prepare release 3.5.1 by @lengau in #2328

Full Changelog: 3.5.0...3.5.1

3.5.0

What's Changed

• docs: translate remaining .md files to .rst by @jahn-junior in #2083
• feat(docs): instructions for contributing to the docs by @lengau in #2101
• ci(docs): spread test documentation by @lengau in #2126
• docs: fix broken references to juju docs by @medubelko in #2136
• docs: add anchors and fix a few small things by @tmihoc in #2128
• fix(build): fix build dependencies and CI by @lengau in #2137
• fix(build): fix build dependencies and CI by @lengau in #2138
• fix(provider): ensure /root/.cache exists by @lengau in #2134
• docs(changelog): prepare 3.3.3 release by @lengau in #2141
• chore: merge 3.3.3 to main by @lengau in #2147
• docs: align ops links formatting by @medubelko in #2146
• chore: merge 3.4.1 to main by @lengau in #2148
• chore: merge 3.4.2 to main by @lengau in #2153
• ci: use starbase release workflows by @lengau in #2144
• build(docs): use uv for RTD build by @lengau in #2143
• feat(docs): add feedback button by @erinecon in #2145
• docs: replace occurrences of "charmcraft.yaml" and "recipe" by @jahn-junior in #2154
• Create scenario tests for init templates by @javierdelapuente in #1975
• build(deps): update skopeo by @lengau in #2150
• build(deps): update bugfixes (main) by @renovate in #2116
• feat(tracing): Add commented out tracing relation into templates by @alithethird in #2100
• feat(docs): add redirects by @medubelko in #2157
• build(deps-dev): bump cryptography from 44.0.0 to 44.0.1 by @dependabot in #2162
• chore: merge 3.4.3 to main by @lengau in #2161
• feat: add *-secret-key-id charm configuration for flask, django, golang and fastapi framework charms by @weiiwang01 in #2160
• docs: update readme and logo by @tmihoc in #2168
• docs: update release step with resource details by @tmihoc in #2172
• docs(how-to): add how-to migrate to uv by @lengau in #2156
• docs: replace "recipe" as a term by @medubelko in #2169
• fix(snap): fix build on 32-bit platforms by @lengau in #2173
• build(deps): update dependency craft-platforms to v0.6.0 (main) by @renovate in #2176
• docs: update 12-factor tutorials by @erinecon in #2085
• Added some further structure to the Django tutorial by @evildmp in #2179
• docs: add mention of charmcraft promote to manage-revisions.rst by @jahn-junior in #2182
• feat: auto-generate charmcraft.yaml json schema by @bepri in #2183
• Docs: Maintenance work on 12-factor tutorials by @erinecon in #2193
• feat(extension): Block on missing required config by @alithethird in #2187
• build: fix issue where python-apt-wheels repo was used for all packages by @lengau in #2188
• docs: maintain Django tutorial by @erinecon in #2196
• feat(smtp): Add SMTP integration to 12 Factor by @alithethird in #2199
• docs: add charm-user in the charmcraft.yaml file reference by @tonyandrewmeyer in #2195
• feat(templates): change the templates to use platforms notation by @lengau in #2200
• docs: Add structure to 12-factor how-to guides by @erinecon in #2197
• docs: 12-factor tutorial maintenance by @erinecon in #2220
• build(dep): update dependencies by @lengau in #2223
• style: fix linting issues by @lengau in #2222
• chore: remove tox and freeze-requirements files by @lengau in #2224
• chore: add a documentation issue template by @lengau in #2215
• fix: remove the storage 'shared' field by @tonyandrewmeyer in #2205
• docs: rewrite home page by @jahn-junior in #2217
• feat: mark the "promote-bundle" command as deprecated by @lengau in #2226
• style: fix linting errors by @lengau in #2229
• feat: mark bundles as deprecated by @lengau in #2227
• docs: Tutorial updates by @erinecon in #2228
• Docs: Add 12-factor how-to sections for integrations by @erinecon in #2219
• docs: fix build errors by @medubelko in #2186
• docs(config): update links in nav by @medubelko in #2184
• docs: remove placeholder links at bottom of home page by @medubelko in #2230
• docs: add venv activation to the contribution instructions by @dwilding in #2236
• docs: add security policy by @tigarmo in #2237
• feat(docs): hook up documentation links by @sergiusens in #2239
• docs: Add 12-factor how-to on using observability by @erinecon in #2232
• docs: update charm definition in security doc by @medubelko in #2240
• Docs: Update 12-factor tutorials by @erinecon in #2241
• chore: update the Jira project to CHARMCRAFT by @sergiusens in #2249
• feat(linters): PYDEPS linter by @lengau in #2250
• feat(upload): warn when uploading a charm if it has newer local libs by @lengau in #2252
• Docs: Updated 12-factor tutorials by @erinecon in #2251
• docs: add 12-factor troubleshooting section by @erinecon in #2246
• chore(docs): switch the docs to link to Juju 3.6 by @lengau in #2254
• Docs: 12-factor tutorial updates by @erinecon in #2257
• docs: add charm docs exemplars links by @izmalk in #2253
• feat(templates): add workload module to Kubernetes and machine profiles by @dwilding in #2242
• docs: hotfix for links syntax for charm docs examples by @izmalk in #2262
• chore: migrate from yamllint to prettier by @sergiusens in #2265
• feat(extensions, templates): Add OpenFGA by @s-themis in #2260
• chore: migrate provider test from GHA to spread by @sergiusens in #2264
• chore: bring in tics relevant changes by @sergiusens in #2258
• docs: align landing pages with model by @jahn-junior in #2272
• docs: 12-Factor tutorial updates by @erinecon in #2263
• build(deps): update bugfixes (main) by @renovate in #2189
• docs: fix typo in 'manage 12-factor app charm' by @medubelko in #2274
• docs: add cryptographic docs by @lengau in #2278
• docs: resolve local build errors by @jahn-junior in #2280
• docs: Updates to the 12-factor tutorials by @erinecon in #2276
• build(deps): update dependency h11 to v0.16.0 [security] (main) by @renovate in #2268
• chore(merge): merge 3.4.6 to main by @lengau in #2281
• docs: align README with model by @jahn-junior in #2283
• docs: copy best practices from Juju docs by @tonyandrewmeyer in #2203
• docs: Updates to the 12-factor tutorials by @erinecon in #2282
• Docs: 12-factor how to add a custom ...

3.4.3

What's Changed

• chore: prepare 3.4.3 release by @lengau in #2159

Full Changelog: 3.4.2...3.4.3