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Nov 14, 2025
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otelhttp: Deprecate DefaultClient #8140

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3b4d67d
deprecate otelhttp DefaultClient
KonstantinosTsitoumis Nov 7, 2025
1e816d8
resolve code review comments
KonstantinosTsitoumis Nov 8, 2025
1a68aff
Update instrumentation/net/http/otelhttp/client.go
KonstantinosTsitoumis Nov 12, 2025
29b8669
Update CHANGELOG.md
KonstantinosTsitoumis Nov 13, 2025
bd886d0
Merge branch 'main' into main
dmathieu Nov 14, 2025
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -29,6 +29,8 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
- `WithRouteTag` in `go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp` is deprecated.
The route is already added automatically for spans.
For metrics, the alternative is to use the `WithMetricAttributesFn` option. (#8117)
- `DefaultClient` in `go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/client.go` is deprecated.
Use a custom `*http.Client` with `otelhttp.NewTransport(http.DefaultTransport)` instead. (#8140)

### Removed

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4 changes: 4 additions & 0 deletions instrumentation/net/http/otelhttp/client.go
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Expand Up @@ -14,6 +14,10 @@ import (
// DefaultClient is the default Client and is used by Get, Head, Post and PostForm.
// Please be careful of initialization order - for example, if you change
// the global propagator, the DefaultClient might still be using the old one.
//
// Deprecated: DefaultClient will be removed in a future release.
// Create your own *http.Client with Transport = otelhttp.NewTransport(http.DefaultTransport)
// instead of relying on this global variable.
var DefaultClient = &http.Client{Transport: NewTransport(http.DefaultTransport)}

// Get is a convenient replacement for http.Get that adds a span around the request.
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