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Major changes

Highlighting some of the changes for better visibility.

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Minimum Go version: 1.19

Viper now requires Go 1.19

This change ensures we can stay up to date with modern practices and dependencies.

`log/slog` support [BREAKING]

Viper v1.11.0 added an experimental Logger interface to allow custom implementations (besides jwalterweatherman).

In addition, it also exposed an experimental WithLogger function allowing to set a custom logger.

This release deprecates that interface in favor of log/slog released in Go 1.21.

WARNING

WithLogger accepts an *slog.Logger from now on.

To preserve backwards compatibility with older Go versions, prior to Go 1.21 Viper accepts a *golang.org/x/exp/slog.Logger.

The experimental flag is removed.

New finder implementation [BREAKING]

As of this release, Viper uses a new library to look for files, called locafero.

The new library is better covered by tests and has been built from scratch as a general purpose file finder library.

The implementation is experimental and is hidden behind a finder build tag.

WARNING

The io/fs based implementation (that used to be hidden behind a finder build tag) has been removed.

What's Changed

Dependency Updates ⬆️

build(deps): bump mheap/github-action-required-labels from 4 to 5 by @dependabot in https://github.com/spf13/viper/pull/1563
build(deps): bump github.com/stretchr/testify from 1.8.3 to 1.8.4 by @dependabot in https://github.com/spf13/viper/pull/1558
build(deps): bump cachix/install-nix-action from 21 to 22 by @dependabot in https://github.com/spf13/viper/pull/1573
build(deps): bump github.com/pelletier/go-toml/v2 from 2.0.8 to 2.0.9 by @dependabot in https://github.com/spf13/viper/pull/1586
chore: upgrade crypt by @sagikazarmark in https://github.com/spf13/viper/pull/1589
build(deps): bump actions/checkout from 3.5.3 to 4.0.0 by @dependabot in https://github.com/spf13/viper/pull/1616
build(deps): bump github/codeql-action from 2.21.2 to 2.21.5 by @dependabot in https://github.com/spf13/viper/pull/1615
build(deps): bump github.com/pelletier/go-toml/v2 from 2.0.9 to 2.1.0 by @dependabot in https://github.com/spf13/viper/pull/1614
build(deps): bump actions/dependency-review-action from 3.0.6 to 3.0.8 by @dependabot in https://github.com/spf13/viper/pull/1605
build(deps): bump golangci/golangci-lint-action from 3.6.0 to 3.7.0 by @dependabot in https://github.com/spf13/viper/pull/1604
build(deps): bump actions/setup-go from 4.0.1 to 4.1.0 by @dependabot in https://github.com/spf13/viper/pull/1593
build(deps): bump github.com/subosito/gotenv from 1.4.2 to 1.6.0 by @dependabot in https://github.com/spf13/viper/pull/1603
build(deps): bump cachix/install-nix-action from 22 to 23 by @dependabot in https://github.com/spf13/viper/pull/1620
chore(deps): update crypt by @sagikazarmark in https://github.com/spf13/viper/pull/1621
build(deps): bump actions/dependency-review-action from 3.0.8 to 3.1.0 by @dependabot in https://github.com/spf13/viper/pull/1623
Bump minimum Go version to 1.19 by @sagikazarmark in https://github.com/spf13/viper/pull/1626
build(deps): bump github/codeql-action from 2.21.5 to 2.21.6 by @dependabot in https://github.com/spf13/viper/pull/1632
build(deps): bump github/codeql-action from 2.21.6 to 2.21.7 by @dependabot in https://github.com/spf13/viper/pull/1634
build(deps): bump actions/checkout from 4.0.0 to 4.1.0 by @dependabot in https://github.com/spf13/viper/pull/1641
build(deps): bump github.com/spf13/afero from 1.9.5 to 1.10.0 by @dependabot in https://github.com/spf13/viper/pull/1640
build(deps): bump github/codeql-action from 2.21.7 to 2.21.8 by @dependabot in https://github.com/spf13/viper/pull/1638
build(deps): bump github/codeql-action from 2.21.8 to 2.21.9 by @dependabot in https://github.com/spf13/viper/pull/1648
chore(deps): update crypt by @sagikazarmark in https://github.com/spf13/viper/pull/1652

Other Changes

[StepSecurity] ci: Harden GitHub Actions by @step-security-bot in https://github.com/spf13/viper/pull/1592
Add Vitess to list of projects using Viper by @systay in https://github.com/spf13/viper/pull/1619
docs: fix typos in comments by @alexandear in https://github.com/spf13/viper/pull/1609
ci: add Go 1.21 to the test matrix by @sagikazarmark in https://github.com/spf13/viper/pull/1622
Remove usages of deprecated io/ioutil; simplify viper tests by @alexandear in https://github.com/spf13/viper/pull/1631
chore: remove deprecated build tags by @alexandear in https://github.com/spf13/viper/pull/1630
refactor: replace 'interface{}' with 'any' by @alexandear in https://github.com/spf13/viper/pull/1646
test: refactor asserts by @alexandear in https://github.com/spf13/viper/pull/1644
docs: add set subset KV example by @yhliyr in https://github.com/spf13/viper/pull/1647
Make deps fixes by @bersace in https://github.com/spf13/viper/pull/1628

New Contributors

@goldeneggg made their first contribution in https://github.com/spf13/viper/pull/1561
@baruchiro made their first contribution in https://github.com/spf13/viper/pull/1565
@testwill made their first contribution in https://github.com/spf13/viper/pull/1557
@step-security-bot made their first contribution in https://github.com/spf13/viper/pull/1592
@systay made their first contribution in https://github.com/spf13/viper/pull/1619
@alexandear made their first contribution in https://github.com/spf13/viper/pull/1609
@hooksie1 made their first contribution in https://github.com/spf13/viper/pull/1590
@yhliyr made their first contribution in https://github.com/spf13/viper/pull/1647
@bersace made their first contribution in https://github.com/spf13/viper/pull/1628
@scop made their first contribution in https://github.com/spf13/viper/pull/1650

Full Changelog: https://github.com/spf13/viper/compare/v1.16.0...v1.17.0

Major changes

Minimum Go version: 1.19

log/slog support [BREAKING]

New finder implementation [BREAKING]

What's Changed

Exciting New Features 🎉

Enhancements 🚀

Breaking Changes 🛠

Dependency Updates ⬆️

Other Changes

New Contributors

Assets

`log/slog` support [BREAKING]