[Diff since v0.21.4](v0.21.4...v0.21.5)
**Merged pull requests:**
- Optimize jac_coord! and jac_structure! (#495) (@amontoison)

[Diff since v0.21.3](v0.21.3...v0.21.4)
**Merged pull requests:**
- [documentation] Update Documenter.jl (#449) (@amontoison)
- `objcons` call `objcons!` (#467) (@tmigot)
- Update ci.yml (#479) (@amontoison)
- Update .cirrus.yml (#480) (@amontoison)
- Add eltype for NLPModels (#481) (@tmigot)
- Update with JSOBestieTemplate for NLPModels (#483) (@tmigot)
- Update breakage.yml (#487) (@amontoison)
- Update with JSOBestieTemplate for NLPModels (#489) (@tmigot)
- Improve the documentation of nnzh (#490) (@amontoison)
- Improve cons! and jprod! implementation (#492) (@tmigot)
**Closed issues:**
- Keep ExaModels.jl and MadNLP.jl for breakage tests (#488)
- Significant slowdown observed in QuadraticModels.jl (#491)

[Diff since v0.21.2](v0.21.2...v0.21.3)
**Merged pull requests:**
- Update breakage.yml (#476) (@amontoison)
- Use `nnzj` for default `nln_nnzj` (#477) (@tmigot)
- Version 0.21.3 (#478) (@tmigot)
**Closed issues:**
- Default behavior for `nln_nnzj` (#475)

[Diff since v0.21.1](v0.21.1...v0.21.2)
**Merged pull requests:**
- Documentation tweaks (fixes #460) (#462) (@timholy)
- Error for nnzj mismatch (#468) (@aldma)
- Add counters field in default counters macro (#470) (@MaxenceGollier)
- Add new NLPModelMeta constructor (#471) (@MaxenceGollier)
- Version 0.21.2 (#473) (@tmigot)
**Closed issues:**
- Return assertion error if `nnzj != lin_nnzj + nln_nnzj` in meta (#448)
- Documentation: inconsistency in whether constraints are zero (#460)
- Update an NLPModelMeta (#469)

[Diff since v0.21.0](v0.21.0...v0.21.1)
**Merged pull requests:**
- Bump versions in doc (#461) (@tmigot)
- Call cons! in objcons! for unconstrained (#463) (@tmigot)

[Diff since v0.20.0](v0.20.0...v0.21.0)
**Merged pull requests:**
- Bump ADNLPModels in doc (#433) (@tmigot)
- remove non-existent variable from docstring (#434) (@tpapp)
- trivial fix: return type of objcons! (#436) (@tpapp)
- Update documentation reset! (#438) (@geoffroyleconte)
- add blocknlpmodels in the docs (#439) (@grishabh147)
- docs: enable linkcheck (#441) (@dpo)
- Fix link to meta in guideline (#442) (@tmigot)
- Update CI scripts (#450) (@amontoison)
- Update models documentation (#451) (@tmigot)
- Update CITATION.cff (#452) (@tmigot)
- Avoid views in jtprod! (#453) (@tmigot)
- Remove `Vector` implicit assumption (#455) (@tmigot)
- Version 0.21 (#459) (@tmigot)
**Closed issues:**
- Set codecov threshold for failure (#329)
- Add support to dense Jacobian and Hessian in API (#376)
- Return an error if `lcon = -Inf` and `ucon = Inf` (#435)
- reset! function (#437)
- Out of date link in Guidelines (#440)

[Diff since v0.19.2](v0.19.2...v0.20.0)
**Closed issues:**
- NLS: `obj`, `grad!` and `objgrad!` without residual evaluation (#429)
**Merged pull requests:**
- use strict=true in docs (#411) (@dpo)
- Remove auto-merge bot (#427) (@tmigot)
- Add a keyword to avoid recomputing residual (#430) (@tmigot)
- Version 0.20 (#432) (@tmigot)

[Diff since v0.19.1](v0.19.1...v0.19.2)
**Merged pull requests:**
- Update CommentPR.yml (#420) (@amontoison)
- put NLPModelMeta constructor outside of struct (#424) (@paraynaud)
- Add community guidelines section in readme (#425) (@tmigot)
- v0.19.2 (#426) (@paraynaud)

[Diff since v0.19.0](v0.19.0...v0.19.1)
**Closed issues:**
- Memory allocation in counters (#405)
- Fix docs (#409)
**Merged pull requests:**
- Spell out NLP (#410) (@PallHaraldsson)
- Up doc environment (#412) (@tmigot)
- `sum_counters` without allocations (#414) (@tmigot)
- Add in-place `obj` and `grad!` for nls (#417) (@tmigot)
- add FPS in breakage (#418) (@tmigot)
- Version 0.19.1 (#419) (@tmigot)

[Diff since v0.18.5](v0.18.5...v0.19.0)
**Merged pull requests:**
- Adding non allocating increment functions (#406) (@AntoninKns)
- bump version to 0.19 (#407) (@dpo)