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Update module github.com/spf13/viper to v1.21.0#954

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Update module github.com/spf13/viper to v1.21.0#954
github-actions[bot] merged 2 commits intomainfrom
renovate/github.com-spf13-viper-1.x

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@renovate renovate bot commented Oct 15, 2025

This PR contains the following updates:

Package Change Age Confidence
github.com/spf13/viper v1.15.0v1.21.0 age confidence

Release Notes

spf13/viper (github.com/spf13/viper)

v1.21.0

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What's Changed

Enhancements 🚀
Bug Fixes 🐛
Dependency Updates ⬆️
Other Changes

New Contributors

Full Changelog: spf13/viper@v1.20.0...v1.21.0

v1.20.1

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What's Changed

Bug Fixes 🐛

Full Changelog: spf13/viper@v1.20.0...v1.20.1

v1.20.0

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[!WARNING]
This release includes a few minor breaking changes. Read the upgrade guide for details.

What's Changed

Exciting New Features 🎉
Enhancements 🚀
Bug Fixes 🐛
Breaking Changes 🛠
Dependency Updates ⬆️
Other Changes

New Contributors

Full Changelog: spf13/viper@v1.19.0...v1.20.0

v1.19.0

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What's Changed

Bug Fixes 🐛
Dependency Updates ⬆️
Other Changes

New Contributors

Full Changelog: spf13/viper@v1.18.1...v1.19.0

v1.18.2

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tl;dr Skip 1.18.0 and 1.18.1 and upgrade to this version instead.

This release fixes a regression that appears in rare circumstances when using Unmarshal or UnmarshalExact to decode values onto pointers with multiple indirection (eg. pointer to a pointer, etc). The change was introduced in 1.18.0 as a means to resolve a long-standing bug when decoding environment variables to structs.

The feature is now disabled by default and can be enabled using the viper_bind_struct build tag. It's also considered experimental at this point, so breaking changes may be introduced in the future.

What's Changed

Bug Fixes 🐛

Full Changelog: spf13/viper@v1.18.1...v1.18.2

v1.18.1

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What's Changed

Bug Fixes 🐛

Full Changelog: spf13/viper@v1.18.0...v1.18.1

v1.18.0

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Major changes

Highlighting some of the changes for better visibility.

Please share your feedback in the Discussion forum. Thanks! ❤️

AutomaticEnv works with Unmarshal

Previously, environment variables that weren't bound manually or had no defaults could not be mapped by Unmarshal. (The problem is explained in details in this issue: #​761)

#​1429 introduced a solution that solves that issue.

What's Changed

Enhancements 🚀
Bug Fixes 🐛
Dependency Updates ⬆️
Other Changes

New Contributors

Full Changelog: spf13/viper@v1.17.0...v1.18.0

v1.17.0

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Major changes

Highlighting some of the changes for better visibility.

Please share your feedback in the Discussion forum. Thanks! ❤️

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

Exciting New Features 🎉
Enhancements 🚀
Breaking Changes 🛠
Dependency Updates ⬆️
Other Changes

New Contributors

Full Changelog: spf13/viper@v1.16.0...v1.17.0

v1.16.0

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What's Changed

Enhancements 🚀
Bug Fixes 🐛
Dependency Updates ⬆️
Other Changes

New Contributors

Full Changelog: spf13/viper@v1.15.0...v1.16.0


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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate bot requested a review from statik as a code owner October 15, 2025 21:08
@renovate renovate bot added the dependencies Pull requests that update a dependency file label Oct 15, 2025
@renovate renovate bot force-pushed the renovate/github.com-spf13-viper-1.x branch from f6ecf99 to 7dc662f Compare February 12, 2026 13:53
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renovate bot commented Feb 12, 2026

ℹ️ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

  • 5 additional dependencies were updated

Details:

Package Change
github.com/fsnotify/fsnotify v1.6.0 -> v1.9.0
github.com/pelletier/go-toml/v2 v2.0.6 -> v2.2.4
github.com/spf13/pflag v1.0.5 -> v1.0.10
github.com/subosito/gotenv v1.4.2 -> v1.6.0
golang.org/x/text v0.26.0 -> v0.28.0

@github-actions github-actions bot enabled auto-merge February 12, 2026 13:53
@github-actions github-actions bot merged commit 2be24e0 into main Feb 12, 2026
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@github-actions github-actions bot deleted the renovate/github.com-spf13-viper-1.x branch February 12, 2026 14:00
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